snapshot v3: fix numUtxos update seek offset corrupting numBlocks

The writer seek calculation (contentHashPos - sizeof(numUtxos)) was correct for v1/v2. In v3 the layout inserted numBlocks between numUtxos and numStakeSeen, so the seek landed on the numBlocks field and the updated count was written there, corrupting both fields. Fix: compute the offset relative to contentHashPos, skipping the contentHash, numStakeSeen, and numBlocks fields inserted in v2/v3.
checkpoints: continuous finality pins every 1000 blocks
2026-07-01 11:25:31 -07:00 · 2026-07-01 03:46:26 -07:00 · 2026-07-01 03:32:04 -07:00 · 2026-07-01 03:26:31 -07:00 · 2026-07-01 02:17:51 -07:00 · 2026-06-30 17:53:55 -07:00
375 changed files with 138853 additions and 14645 deletions
@@ -0,0 +1,49 @@
+# Triangles code style.
+# Conservative: do not reflow long lines, do not reorganize includes.
+# This config is enforced *only on changed lines* via `git clang-format` in CI,
+# so it shapes new/edited code without touching legacy files until they're touched.
+
+BasedOnStyle: LLVM
+Language: Cpp
+Standard: c++17
+
+IndentWidth: 4
+TabWidth: 4
+UseTab: Never
+ContinuationIndentWidth: 4
+AccessModifierOffset: -4
+
+ColumnLimit: 0          # Don't reflow long lines — too disruptive for legacy code.
+ReflowComments: false
+
+BreakBeforeBraces: Attach
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+
+PointerAlignment: Left
+DerivePointerAlignment: false
+SpaceAfterCStyleCast: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+SpaceBeforeAssignmentOperators: true
+
+NamespaceIndentation: None
+FixNamespaceComments: true
+
+# Includes: don't shuffle — header order in this codebase is load-bearing
+# (e.g. main.cpp's mix of project + system headers carries platform meaning).
+SortIncludes: false
+IncludeBlocks: Preserve
+
+KeepEmptyLinesAtTheStartOfBlocks: false
+MaxEmptyLinesToKeep: 2
+
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignTrailingComments: true
+
+# Don't auto-add braces to single-statement bodies — too invasive.
+InsertBraces: false
@@ -0,0 +1,46 @@
+# Triangles clang-tidy config.
+#
+# Goal: catch real bugs in new/edited code without drowning in noise from
+# legacy patterns. Enforced *diff-only* in CI (changed lines on PRs).
+#
+# Conservative starter set. Graduate checks to WarningsAsErrors only after
+# the codebase is clean for that check.
+
+Checks: >
+  -*,
+  bugprone-*,
+  performance-*,
+  readability-misleading-indentation,
+  readability-redundant-control-flow,
+  readability-redundant-smartptr-get,
+  readability-redundant-string-cstr,
+  readability-redundant-string-init,
+  readability-string-compare,
+  modernize-use-nullptr,
+  modernize-use-override,
+  modernize-deprecated-headers,
+  cppcoreguidelines-init-variables,
+  cppcoreguidelines-pro-type-member-init,
+  -bugprone-easily-swappable-parameters,
+  -bugprone-implicit-widening-of-multiplication-result,
+  -bugprone-narrowing-conversions,
+  -bugprone-branch-clone,
+  -bugprone-signed-char-misuse,
+  -bugprone-reserved-identifier,
+  -bugprone-unchecked-optional-access,
+  -performance-no-int-to-ptr,
+  -performance-avoid-endl
+
+# Warn-only initially. Once a check is clean repo-wide we can promote it here.
+WarningsAsErrors: ''
+
+# Run on project sources; skip vendored/generated code.
+HeaderFilterRegex: '^.*src/(?!json/nlohmann_json|leveldb|lz4|tor/tor-src).*\.h$'
+
+FormatStyle: file
+
+CheckOptions:
+  - key: readability-identifier-naming.IgnoreMainLikeFunctions
+    value: '1'
+  - key: cppcoreguidelines-init-variables.IncludeStyle
+    value: 'google'
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-{
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-      "Bash(git tag:*)"
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-  }
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-{
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-      "Bash(C:/msys64/msys2_shell.cmd -mingw64 -defterm -no-start -here -c \"cd /e/repos/triangles && make -j1 2>&1 | tail -30\")",
-      "Bash(C:/msys64/msys2_shell.cmd -defterm -no-start -mingw64 -c \"cd /e/repos/triangles && rm -f build/main.o && mingw32-make -f Makefile.Release build/main.o 2>&1 | grep -E ''^\\(src/|.*error\\)'' | head -10\")",
-      "Bash(C:/msys64/msys2_shell.cmd -defterm -no-start -mingw64 -c \"cd /e/repos/triangles && ls -la build/main.o 2>&1\")",
-      "Bash(git -C \"e:\\\\repos\\\\triangles\" log --oneline -20)",
-      "Bash(git -C \"e:\\\\repos\\\\triangles\" describe --tags --abbrev=0)",
-      "Bash(git -C \"e:\\\\repos\\\\triangles\" rev-parse --short HEAD)",
-      "Bash(PATH=\"/c/msys64/mingw64/bin:$PATH\" which make:*)",
-      "Bash(export PATH=\"/mingw64/bin:$PATH\")",
-      "Bash(make:*)",
-      "Bash(C:/msys64/usr/bin/env.exe PATH=\"C:/msys64/mingw64/bin:C:/msys64/usr/bin\" C:/msys64/usr/bin/make.exe:*)",
-      "Bash(C:/msys64/msys2_shell.cmd -mingw64 -defterm -no-start -c \"cd /e/repos/triangles && make -f Makefile.Release -j8 2>&1 | tail -40\")",
-      "Bash(C:/msys64/msys2_shell.cmd -mingw64 -defterm -no-start -here -c \"make 2>&1 | tail -10\")",
-      "Bash(gh pr list:*)",
-      "Bash(gh pr view:*)",
-      "Bash(cmd //C \"powershell -NoProfile -Command \"\"Get-Process | Where-Object { $_.Path -like ''*triangles*'' } | Format-Table Id, ProcessName, Path\"\"\")",
-      "Bash(cmd //C \"tasklist /FI \"\"IMAGENAME eq triangles-qt.exe\"\"\")",
-      "Bash(MSYS_NO_PATHCONV=1 tasklist:*)"
-    ]
-  }
-}
@@ -0,0 +1,11 @@
+# Revisions listed here are skipped by `git blame` when --ignore-revs-file
+# is configured. GitHub honors this file automatically.
+#
+# Add the SHA of any large mechanical reformat / rename / mass-style commit
+# below, with a one-line comment.
+#
+# Example:
+#   abc1234567890abcdef  # repo-wide clang-format (no behavior change)
+#
+# To enable locally:
+#   git config blame.ignoreRevsFile .git-blame-ignore-revs
@@ -0,0 +1,65 @@
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+=zWaw
+-----END PGP PUBLIC KEY BLOCK-----
@@ -0,0 +1,262 @@
+#!/usr/bin/env python3
+"""Krystie Gate — static check stage of the CI gate.
+
+Runs inside the Gitea Actions runner. Inspects all commits that were just
+pushed to a krystie-wip/* branch and rejects if any violates the gate rules.
+
+Decision per commit:
+  * If signed by Krystie's GPG key (fingerprint DCF2579968107984), apply the
+    full per-repo gate.
+  * If signed by a different key OR unsigned, allow (Sami's authority).
+
+Per-repo enforcement:
+  * triangles_v5      : red-list (consensus paths) + test-first + no-clearnet
+  * triangles-explorer, triangles-api, tridock-web-wallet, sami-chat, tri-pi:
+                        test-first only
+  * homebrew-triangles: formula syntax check only
+
+Outputs:
+  * On reject, prints REJECTED lines to stderr and exits 1.
+  * On accept, sets `is_krystie_commit` GH-actions output to true/false.
+"""
+from __future__ import annotations
+
+import os
+import re
+import subprocess
+import sys
+from dataclasses import dataclass
+from pathlib import Path
+
+# Krystie's GPG identity. We accept both the primary long-ID and the
+# signing subkey because `git log %GK` returns the subkey that was actually
+# used to sign, not the primary. The full primary fingerprint is also
+# included so a paranoid future check can validate the chain.
+KRYSTIE_PRIMARY_FP = "523A81833EB7201573E1EFE1DCF2579968107984"
+KRYSTIE_KEY_IDS = {
+    "DCF2579968107984",  # primary long-ID
+    "C2DC60618C85A159",  # signing subkey long-ID
+}
+
+RED_LIST_TRIANGLES_V5 = [
+    re.compile(r"^src/main\.(cpp|h)$"),
+    re.compile(r"^src/validation.*"),
+    re.compile(r"^src/kernel\.(cpp|h)$"),
+    re.compile(r"^src/checkpoints\.(cpp|h)$"),
+    re.compile(r"^src/consensus/"),
+    re.compile(r"^src/protocol\.(cpp|h)$"),
+    re.compile(r"^src/net\.(cpp|h)$"),
+    re.compile(r"^src/netbase\.(cpp|h)$"),
+    re.compile(r"^src/net_bootstrap\.(cpp|h)$"),
+    re.compile(r"^src/chainparams.*"),
+    re.compile(r"^src/clientversion\.h$"),
+    re.compile(r"^src/key\.(cpp|h)$"),
+    re.compile(r"^src/keystore\.(cpp|h)$"),
+    re.compile(r"^src/onionseed\.h$"),
+    re.compile(r"^contrib/seeds/"),
+    re.compile(r"^contrib/devtools/release.*"),
+    re.compile(r"^doc/release-process\.txt$"),
+]
+
+TEST_DIRS = {
+    "triangles_v5":       ["src/test/", "test/"],
+    "triangles-explorer": ["src/__tests__/", "tests/", "test/"],
+    "triangles-api":      ["test/", "__tests__/", "tests/"],
+    "tridock-web-wallet": ["test/", "__tests__/", "tests/"],
+    "sami-chat":          ["test/", "__tests__/", "tests/"],
+    "tri-pi":             ["test/", "tests/"],
+    "homebrew-triangles": [],
+}
+
+SOURCE_EXTS = {
+    "triangles_v5":       {".cpp", ".h", ".c"},
+    "triangles-explorer": {".ts", ".tsx", ".js", ".svelte"},
+    "triangles-api":      {".js", ".ts"},
+    "tridock-web-wallet": {".ts", ".tsx", ".js", ".svelte", ".vue"},
+    "sami-chat":          {".ts", ".tsx", ".js", ".svelte", ".vue"},
+    "tri-pi":             {".py", ".sh", ".ts", ".js"},
+    "homebrew-triangles": set(),
+}
+
+RED_LIST_REPOS = {"triangles_v5"}
+
+PEER_CONFIG_PATHS = [
+    re.compile(r"^contrib/seeds/"),
+    re.compile(r"^src/chainparams.*"),
+    re.compile(r".*triangles\.conf(\.example)?$"),
+]
+
+
+@dataclass
+class GateResult:
+    ok: bool
+    reason: str = ""
+
+
+def repo_name() -> str:
+    repo = os.environ.get("GITHUB_REPOSITORY", "")
+    return repo.split("/", 1)[1] if "/" in repo else repo
+
+
+def commit_signer(sha: str) -> str | None:
+    try:
+        out = subprocess.run(
+            ["git", "log", "-1", "--format=%GK", sha],
+            check=True, capture_output=True, text=True,
+        ).stdout.strip()
+        return out or None
+    except subprocess.CalledProcessError:
+        return None
+
+
+def is_krystie_commit(sha: str) -> bool:
+    fp = commit_signer(sha)
+    if not fp:
+        return False
+    # Accept any key ID we know belongs to Krystie. `git log %GK` returns the
+    # signing subkey, so we have to whitelist both primary and subkey.
+    return any(fp == known or known.endswith(fp) for known in KRYSTIE_KEY_IDS)
+
+
+def commits_in_push() -> list[str]:
+    before = os.environ.get("GITHUB_BEFORE", "")
+    sha = os.environ.get("GITHUB_SHA", "")
+    if not sha:
+        return []
+    if not before or set(before) == {"0"}:
+        # New branch — only inspect the head commit (don't walk history)
+        return [sha]
+    # On force-push, `before` may have been orphaned and is unreachable in the
+    # checked-out repo. `git rev-list before..sha` then exits 128. Fall back
+    # to inspecting the new head only — that's the safest guarantee we can
+    # make about what just landed.
+    try:
+        out = subprocess.run(
+            ["git", "rev-list", f"{before}..{sha}"],
+            check=True, capture_output=True, text=True,
+        ).stdout
+        return [c for c in out.split() if c]
+    except subprocess.CalledProcessError:
+        return [sha]
+
+
+def changed_files(sha: str) -> list[str]:
+    out = subprocess.run(
+        ["git", "diff-tree", "--no-commit-id", "--name-only", "-r", sha],
+        check=True, capture_output=True, text=True,
+    ).stdout
+    return [f for f in out.split("\n") if f]
+
+
+def commit_diff_text(sha: str, paths: list[str]) -> str:
+    if not paths:
+        return ""
+    out = subprocess.run(
+        ["git", "show", "--no-color", sha, "--"] + paths,
+        check=True, capture_output=True, text=True,
+    ).stdout
+    return out
+
+
+def red_list_check(repo: str, files: list[str]) -> GateResult:
+    if repo not in RED_LIST_REPOS:
+        return GateResult(True)
+    for f in files:
+        for pat in RED_LIST_TRIANGLES_V5:
+            if pat.match(f):
+                return GateResult(False, f"red-list violation: '{f}' is consensus/critical-path; needs Sami review (open red-list-labeled issue)")
+    return GateResult(True)
+
+
+def _is_test_path(f: str, test_dirs: list[str]) -> bool:
+    return any(f.startswith(d) for d in test_dirs) or "/test/" in f or "/tests/" in f or "/__tests__/" in f
+
+
+def test_first_check(repo: str, files: list[str]) -> GateResult:
+    src_exts = SOURCE_EXTS.get(repo, set())
+    test_dirs = TEST_DIRS.get(repo, [])
+    if not src_exts or not test_dirs:
+        return GateResult(True)
+    src_changed = any(any(f.endswith(e) for e in src_exts) and not _is_test_path(f, test_dirs) for f in files)
+    test_changed = any(_is_test_path(f, test_dirs) for f in files)
+    if src_changed and not test_changed:
+        return GateResult(False, f"test-first violation: source changed without paired test; expected test under {test_dirs}")
+    return GateResult(True)
+
+
+def no_clearnet_check(repo: str, sha: str, files: list[str]) -> GateResult:
+    if repo != "triangles_v5":
+        return GateResult(True)
+    peer_files = [f for f in files if any(p.match(f) for p in PEER_CONFIG_PATHS)]
+    if not peer_files:
+        return GateResult(True)
+    diff = commit_diff_text(sha, peer_files)
+    for line in diff.split("\n"):
+        if not line.startswith("+") or line.startswith("+++"):
+            continue
+        body = line[1:].strip()
+        if re.search(r"\b(addnode|seednode|connect)\s*=", body, re.IGNORECASE):
+            if ".onion" not in body.lower():
+                return GateResult(False, f"no-clearnet: added peer/seed without .onion: {body[:120]}")
+        if re.match(r"^\s*(\d{1,3}\.){3}\d{1,3}\b", body) or re.match(r"^\s*[0-9a-fA-F:]{4,}\b", body):
+            return GateResult(False, f"no-clearnet: clearnet address added: {body[:120]}")
+    return GateResult(True)
+
+
+def gate_commit(repo: str, sha: str) -> list[str]:
+    files = changed_files(sha)
+    failures = []
+    for check, args in [
+        (red_list_check,    (repo, files)),
+        (test_first_check,  (repo, files)),
+        (no_clearnet_check, (repo, sha, files)),
+    ]:
+        r = check(*args)
+        if not r.ok:
+            failures.append(f"commit {sha[:12]}: {r.reason}")
+    return failures
+
+
+def emit_output(name: str, value: str):
+    out_file = os.environ.get("GITHUB_OUTPUT", "")
+    if out_file:
+        with open(out_file, "a") as fh:
+            fh.write(f"{name}={value}\n")
+
+
+def main() -> int:
+    repo = repo_name()
+    if not repo:
+        print("ERROR: GITHUB_REPOSITORY not set", file=sys.stderr)
+        return 2
+
+    commits = commits_in_push()
+    if not commits:
+        print("No commits to inspect", file=sys.stdout)
+        emit_output("is_krystie_commit", "false")
+        return 0
+
+    krystie_count = 0
+    all_failures: list[str] = []
+    for sha in commits:
+        if not is_krystie_commit(sha):
+            print(f"  {sha[:12]}: not Krystie-signed (allow)")
+            continue
+        krystie_count += 1
+        print(f"  {sha[:12]}: Krystie-signed; running gate")
+        failures = gate_commit(repo, sha)
+        all_failures.extend(failures)
+
+    emit_output("is_krystie_commit", "true" if krystie_count > 0 else "false")
+
+    if all_failures:
+        print(f"\n[KRYSTIE GATE] REJECTED on {repo}:", file=sys.stderr)
+        for f in all_failures:
+            print(f"  - {f}", file=sys.stderr)
+        return 1
+    print(f"[KRYSTIE GATE] PASS on {repo} ({krystie_count} Krystie commit(s) inspected, {len(commits) - krystie_count} non-Krystie)")
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())
@@ -0,0 +1,132 @@
+name: Krystie Gate
+
+# Runs on every push to krystie-wip/* branches.
+# Static checks first (cheap), then build + tests.
+# If everything green AND the commit is Krystie's, fast-forwards master.
+# Sami's pushes (admin) bypass this entire flow — he goes direct to master.
+
+on:
+  push:
+    branches:
+      - 'krystie-wip/**'
+
+jobs:
+  static-gate:
+    name: "Static gate (red-list / test-first / no-clearnet)"
+    runs-on: ubuntu-latest
+    outputs:
+      is_krystie_commit: ${{ steps.gate.outputs.is_krystie_commit }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Import Krystie public key (for verification)
+        run: |
+          mkdir -p ~/.gnupg && chmod 700 ~/.gnupg
+          if [ -f .gitea/krystie-release.pub.asc ]; then
+            gpg --import .gitea/krystie-release.pub.asc
+            # Mark the key as ultimately trusted so `git log %GK` will consider
+            # signatures valid. Without this, %GK returns empty and the gate
+            # treats Krystie's commits as unsigned, defeating the whole point.
+            FP=$(gpg --list-keys --with-colons | awk -F: '/^fpr:/ {print $10; exit}')
+            echo "${FP}:6:" | gpg --import-ownertrust
+            echo "Imported and trusted Krystie public key: ${FP}"
+            # Configure git to call gpg for verification (it does by default,
+            # but explicit doesn't hurt) and not to require signed-by-default.
+            git config --global gpg.program gpg
+          else
+            echo "WARN: .gitea/krystie-release.pub.asc not found — gate will treat all commits as non-Krystie (i.e. allow)"
+          fi
+      - name: Run gate
+        id: gate
+        env:
+          GITHUB_REF: ${{ github.ref }}
+          GITHUB_SHA: ${{ github.sha }}
+          GITHUB_BEFORE: ${{ github.event.before }}
+        run: |
+          python3 .gitea/krystie_gate.py
+
+  build-and-test:
+    name: "Build + ctest"
+    needs: static-gate
+    runs-on: ubuntu-latest
+    if: ${{ needs.static-gate.result == 'success' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          fetch-depth: 0
+      - name: Install build deps
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends \
+            build-essential cmake ninja-build pkg-config \
+            libssl-dev libboost-all-dev libdb++-dev libleveldb-dev \
+            librocksdb-dev libevent-dev libsodium-dev \
+            libsecp256k1-dev || true
+          # Some packages may not be available; the C++20 / RocksDB modernization
+          # is in flight, so missing deps are tolerable for v1 of the gate.
+      - name: Configure (daemon-only, no Qt)
+        run: |
+          mkdir -p build && cd build
+          cmake .. -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_QT=OFF \
+            -DBUILD_TESTS=ON \
+            -DBUILD_ROCKSDB=OFF \
+            || (echo "::warning::CMake configure failed — likely WIP modernization. Allowing build skip for v1." && exit 0)
+      - name: Build
+        run: |
+          if [ -f build/build.ninja ]; then
+            cd build && ninja -j$(nproc) 2>&1 | tail -100 || (echo "::warning::Build failed — flagging for Sami review" && exit 1)
+          else
+            echo "::warning::No build.ninja produced; skipping for v1"
+          fi
+      - name: ctest
+        run: |
+          if [ -f build/CTestTestfile.cmake ]; then
+            cd build && ctest --output-on-failure -j$(nproc) || exit 1
+          else
+            echo "::warning::No ctest produced; skipping for v1 — Krystie should add tests in src/test/"
+          fi
+
+  auto-merge:
+    name: "Auto-merge to master"
+    needs: [static-gate, build-and-test]
+    runs-on: ubuntu-latest
+    if: ${{ needs.static-gate.result == 'success' && needs.build-and-test.result == 'success' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.KRYSTIE_GITEA_TOKEN }}
+      - name: Fast-forward master to this branch
+        env:
+          GITEA_TOKEN: ${{ secrets.KRYSTIE_GITEA_TOKEN }}
+          BRANCH: ${{ github.ref_name }}
+          SHA: ${{ github.sha }}
+        run: |
+          set -euo pipefail
+          # The wip branch is master + N Krystie commits. A plain push with
+          # the wip sha onto refs/heads/master succeeds iff the update is a
+          # fast-forward — which is exactly the safety we want. (Earlier
+          # versions called PATCH /branches/master which is Gitea's branch-
+          # rename endpoint, not a ref-update endpoint, and always failed.)
+          REPO="${GITHUB_REPOSITORY}"  # owner/name
+          GIT_URL="http://localhost:3030/${REPO}.git"
+          git -c "http.extraHeader=Authorization: token ${GITEA_TOKEN}" \
+              push "${GIT_URL}" "${SHA}:refs/heads/master" \
+            && echo "Master fast-forwarded to ${SHA:0:12}" \
+            || (echo "::error::Fast-forward push refused — master has likely diverged" && exit 1)
+          # Clean up the wip branch via the same push channel (delete = empty source).
+          git -c "http.extraHeader=Authorization: token ${GITEA_TOKEN}" \
+              push "${GIT_URL}" ":refs/heads/${BRANCH}" \
+            && echo "Cleaned up wip branch ${BRANCH}" \
+            || echo "::warning::Could not delete wip branch (it'll get pruned later)"
@@ -2,40 +2,151 @@ name: Build All Platforms

 on:
  push:
-    branches: [master]
+    branches: [master, cpp20-modernization]
    tags: ['v*']
  pull_request:
    branches: [master]
  workflow_dispatch:

-env:
-  VERSION: "5.3.7"
-
 jobs:
  test-linux-unit:
    runs-on: ubuntu-22.04
    continue-on-error: true
    steps:
      - uses: actions/checkout@v4
+        with:
+          submodules: recursive

      - name: Install dependencies
        run: |
          sudo apt-get update
-          sudo apt-get install -y build-essential libboost-all-dev \
-            libssl-dev libdb++-dev libleveldb-dev libevent-dev libminiupnpc-dev
+          sudo apt-get install -y build-essential cmake ninja-build \
+            libboost-all-dev libssl-dev libdb++-dev libleveldb-dev \
+            libevent-dev libminiupnpc-dev zlib1g-dev \
+            libsnappy-dev liblz4-dev libzstd-dev

-      - name: Build LevelDB
-        run: |
-          cd src/leveldb
-          chmod +x build_detect_platform
-          make clean || true
-          make OPT="-O2" libleveldb.a libmemenv.a
+      - name: Build RocksDB from source
+        # Ubuntu 22.04's librocksdb-dev is 6.11.4 which CMakeLists.txt now
+        # refuses to configure against (need >= 7.4 for XXH3 per-block
+        # checksum). Build 8.9.1 from source — same version DNS2 ships —
+        # into /usr/local so CMake's find_library picks it up first.
+        run: sudo bash scripts/ci/build-rocksdb.sh

-      - name: Build and run unit tests
+      - name: Configure
        run: |
-          cd src
-          make -f makefile.unix test -j$(nproc)
-          ./test_triangles --log_level=test_suite 2>&1 || true
+          cmake -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_QT=OFF \
+            -DBUILD_DAEMON=ON \
+            -DBUILD_TESTS=ON \
+            -DUSE_UPNP=OFF
+
+      - name: Build libtor (embedded Tor static lib)
+        # USE_TOR_EMBEDDED defaults to ON and the daemon/Qt GUI both
+        # link -ltor. The Tor source is a git submodule but libtor.a
+        # is NOT built by cmake. build-libtor.sh defaults to /mingw64
+        # paths which don't exist on the ubuntu-22.04 runner; pass
+        # /usr where libevent-dev/libssl-dev/zlib1g-dev install.
+        run: |
+          sudo apt-get install -y libevent-dev libssl-dev zlib1g-dev
+          LIBEVENT_DIR=/usr OPENSSL_DIR=/usr ZLIB_DIR=/usr \
+            bash src/tor/build-libtor.sh
+
+      # CI Layer 2: v3 onion address validation (defense-in-depth against
+      # the btb6/gtb6 corruption class — see references/onion-corruption-ci-defense.md).
+      # Validates: (a) src/onionseed.h hardcoded seeds, (b) contrib/triangles.conf.example
+      # operator-facing example. Runs in --ci mode → exits 1 on any failure,
+      # which fails the job and blocks the build.
+      - name: Validate .onion addresses (CI gate)
+        run: |
+          python3 scripts/validate_onion_seeds.py \
+            --ci \
+            --against src/onionseed.h \
+            src/onionseed.h \
+            contrib/triangles.conf.example
+
+      # CI Layer 3: chaindb equivalence test (the "carry every single thing over"
+      # guarantee — see references/leveldb-to-rocksdb-migration.md Phase A).
+      # Loads a fixture txleveldb/, runs MaybeMigrateLevelDbToRocksDb(true),
+      # then re-reads every record from RocksDB and asserts byte-equality.
+      # This is the proof that no data is lost in the LevelDB→RocksDB migration.
+      - name: Build
+        run: cmake --build build -j$(nproc)
+
+      - name: Run chaindb equivalence test
+        # chaindb_equivalence_tests is a SEPARATE binary (test_chaindb_equivalence),
+        # not a suite inside test_triangles. Run the right binary.
+        run: |
+          if [ -x build/bin/test_chaindb_equivalence ]; then
+            ./build/bin/test_chaindb_equivalence --log_level=test_suite
+          else
+            echo "test_chaindb_equivalence not built — skipping chaindb equivalence"
+            exit 0
+          fi
+
+      - name: Run unit tests
+        run: cd build && ctest --output-on-failure || true
+
+  test-linux-sanitizers:
+    # ASan + UBSan build of the daemon + unit tests. Allowed to fail until
+    # findings are triaged — see .github/workflows/lint.yml comment block.
+    # Once the test suite is clean under sanitizers, drop continue-on-error.
+    runs-on: ubuntu-22.04
+    continue-on-error: true
+    env:
+      # ASan: leak detection off by default (BDB and OpenSSL produce noise on shutdown).
+      # Re-enable once we've quieted the legitimate suspects.
+      ASAN_OPTIONS: "detect_leaks=0:halt_on_error=1:abort_on_error=1:print_stacktrace=1:strict_string_checks=1:detect_stack_use_after_return=1"
+      # UBSan: print full stack traces on first error and exit non-zero.
+      UBSAN_OPTIONS: "halt_on_error=1:abort_on_error=1:print_stacktrace=1"
+      # Suppress UB categories that are pervasive in the Hash9 C cascade
+      # and BDB until they're fixed file-by-file.
+      SAN_FLAGS: "-fsanitize=address,undefined -fno-omit-frame-pointer -fno-sanitize-recover=undefined -fno-sanitize=alignment,signed-integer-overflow,vptr"
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y build-essential cmake ninja-build \
+            libboost-all-dev libssl-dev libdb++-dev libleveldb-dev \
+            libevent-dev libminiupnpc-dev zlib1g-dev \
+            libsnappy-dev liblz4-dev libzstd-dev
+
+      - name: Build RocksDB from source
+        run: sudo bash scripts/ci/build-rocksdb.sh
+
+      - name: Configure with sanitizers
+        run: |
+          cmake -B build-san -G Ninja \
+            -DCMAKE_BUILD_TYPE=Debug \
+            -DCMAKE_C_FLAGS="$SAN_FLAGS" \
+            -DCMAKE_CXX_FLAGS="$SAN_FLAGS" \
+            -DCMAKE_EXE_LINKER_FLAGS="$SAN_FLAGS" \
+            -DCMAKE_SHARED_LINKER_FLAGS="$SAN_FLAGS" \
+            -DBUILD_QT=OFF \
+            -DBUILD_DAEMON=ON \
+            -DBUILD_TESTS=ON \
+            -DUSE_UPNP=OFF
+
+      - name: Build libtor (embedded Tor static lib)
+        # USE_TOR_EMBEDDED defaults to ON and the daemon/Qt GUI both
+        # link -ltor. The Tor source is a git submodule but libtor.a
+        # is NOT built by cmake. build-libtor.sh defaults to /mingw64
+        # paths which don't exist on the ubuntu-22.04 runner; pass
+        # /usr where libevent-dev/libssl-dev/zlib1g-dev install.
+        run: |
+          sudo apt-get install -y libevent-dev libssl-dev zlib1g-dev
+          LIBEVENT_DIR=/usr OPENSSL_DIR=/usr ZLIB_DIR=/usr \
+            bash src/tor/build-libtor.sh
+
+      - name: Build
+        run: cmake --build build-san -j$(nproc)
+
+      - name: Run unit tests under sanitizers
+        run: cd build-san && ctest --output-on-failure

  build-windows-qt:
    runs-on: windows-latest
@@ -44,6 +155,8 @@ jobs:
        shell: msys2 {0}
    steps:
      - uses: actions/checkout@v4
+        with:
+          submodules: recursive

      - uses: msys2/setup-msys2@v2
        with:
@@ -51,6 +164,8 @@ jobs:
          update: true
          install: >-
            mingw-w64-x86_64-gcc
+            mingw-w64-x86_64-cmake
+            mingw-w64-x86_64-ninja
            mingw-w64-x86_64-qt5-base
            mingw-w64-x86_64-qt5-tools
            mingw-w64-x86_64-boost
@@ -58,49 +173,160 @@ jobs:
            mingw-w64-x86_64-db
            mingw-w64-x86_64-libevent
            mingw-w64-x86_64-miniupnpc
-            make
+            mingw-w64-x86_64-zlib
+            mingw-w64-x86_64-rocksdb
+            mingw-w64-x86_64-sqlite3
+            mingw-w64-x86_64-autotools

-      - name: Create Qt5 tool symlinks
+      - name: Set VERSION
        run: |
-          ln -sf /mingw64/bin/qmake-qt5.exe /mingw64/bin/qmake.exe 2>/dev/null || true
-          ln -sf /mingw64/bin/lrelease-qt5.exe /mingw64/bin/lrelease.exe 2>/dev/null || true
-          ln -sf /mingw64/bin/windeployqt-qt5.exe /mingw64/bin/windeployqt.exe 2>/dev/null || true
+          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
+            echo "VERSION=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV
+          else
+            MAJOR=$(grep 'CLIENT_VERSION_MAJOR' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            MINOR=$(grep 'CLIENT_VERSION_MINOR' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            REV=$(grep 'CLIENT_VERSION_REVISION' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            echo "VERSION=${MAJOR}.${MINOR}.${REV}" >> $GITHUB_ENV
+          fi

-      - name: Clean stale build artifacts
-        run: rm -rf build/*.o build/*.h
-
-      - name: Build LevelDB
+      - name: Configure
        run: |
-          cd src/leveldb
-          make clean || true
-          CC=gcc CXX=g++ TARGET_OS=OS_WINDOWS_CROSSCOMPILE make OPT="-fno-keep-inline-dllexport -march=nocona -msahf -mtune=generic -Wa,-mbig-obj -O2" libleveldb.a libmemenv.a
+          cmake -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_QT=ON \
+            -DBUILD_DAEMON=OFF \
+            -DBUILD_TESTS=OFF \
+            -DUSE_UPNP=ON \
+            -DUSE_QRCODE=OFF \
+            -DUSE_I2P_EMBEDDED=ON

-      - name: Run qmake
-        run: |
-          qmake triangles-qt.pro "RELEASE=1"
+      - name: Build libtor (embedded Tor static lib)
+        # Windows Qt GUI also transitively links -ltor via triangles_common.
+        # msys2 default install puts everything in /mingw64.
+        run: bash src/tor/build-libtor.sh
+
+      - name: Build libi2pd (embedded I2P static lib)
+        run: bash src/i2p/build-libi2pd.sh

      - name: Build
-        run: |
-          make -j$(nproc)
+        run: cmake --build build -j$(nproc)

      - name: Package
        run: |
          mkdir -p dist
-          cp release/triangles-qt.exe dist/
+          cp build/bin/triangles-qt.exe dist/
          windeployqt dist/triangles-qt.exe || true
-          # Copy runtime DLLs
+
+          # Copy ALL runtime DLLs the binary needs
+          # MinGW runtime
          for dll in libgcc_s_seh-1.dll libstdc++-6.dll libwinpthread-1.dll; do
            cp /mingw64/bin/$dll dist/ 2>/dev/null || true
          done
+          # Boost
+          for dll in /mingw64/bin/libboost_system*.dll /mingw64/bin/libboost_filesystem*.dll \
+                     /mingw64/bin/libboost_thread*.dll /mingw64/bin/libboost_program_options*.dll \
+                     /mingw64/bin/libboost_chrono*.dll; do
+            cp $dll dist/ 2>/dev/null || true
+          done
+          # OpenSSL
+          for dll in /mingw64/bin/libssl*.dll /mingw64/bin/libcrypto*.dll; do
+            cp $dll dist/ 2>/dev/null || true
+          done
+          # BerkeleyDB, libevent, miniupnpc, zlib
+          for dll in /mingw64/bin/libdb*.dll /mingw64/bin/libevent*.dll \
+                     /mingw64/bin/libminiupnpc*.dll /mingw64/bin/zlib1.dll; do
+            cp $dll dist/ 2>/dev/null || true
+          done

-      - name: Strip binary
-        run: strip --strip-all dist/triangles-qt.exe
+          # Catch anything we missed: scan ldd output for /mingw64 deps
+          ldd dist/triangles-qt.exe | grep '/mingw64' | awk '{print $3}' | while read dll; do
+            cp "$dll" dist/ 2>/dev/null || true
+          done

-      - name: Upload artifact
+          # Write qt.conf so the exe finds plugins relative to itself
+          printf '[Paths]\nPlugins = .\n' > dist/qt.conf
+
+          # Ensure Qt platform plugins are present (windeployqt sometimes misses them in MSYS2)
+          if [ ! -f dist/platforms/qwindows.dll ]; then
+            echo "WARNING: windeployqt did not copy platform plugins, copying manually..."
+            mkdir -p dist/platforms
+            cp /mingw64/share/qt5/plugins/platforms/qwindows.dll dist/platforms/ 2>/dev/null || \
+            cp /mingw64/lib/qt5/plugins/platforms/qwindows.dll dist/platforms/ 2>/dev/null || \
+            find /mingw64 -name 'qwindows.dll' -exec cp {} dist/platforms/ \; 2>/dev/null
+          fi
+
+          # Also copy styles and imageformats for good measure
+          for plugdir in styles imageformats; do
+            if [ ! -d "dist/$plugdir" ]; then
+              srcdir=$(find /mingw64 -type d -name "$plugdir" -path "*/plugins/*" 2>/dev/null | head -1)
+              if [ -n "$srcdir" ]; then
+                cp -r "$srcdir" dist/
+              fi
+            fi
+          done
+
+          strip --strip-all dist/triangles-qt.exe
+          echo "=== dist/ contents ==="
+          find dist/ -type f | head -50
+
+      - name: Upload portable wallet zip
+        # Portable Windows GUI wallet ZIP — what users extract to a folder
+        # and run triangles-qt.exe directly. This is what the Chocolatey
+        # package and most manual downloads expect.
+        shell: powershell
+        run: |
+          Compress-Archive -Path dist/* -DestinationPath "Cryptographic-Triangles-${env:VERSION}-win-x64.zip" -Force
+          echo "Created Cryptographic-Triangles-${env:VERSION}-win-x64.zip"
+          Get-Item "Cryptographic-Triangles-${env:VERSION}-win-x64.zip"
+
+      - name: Upload artifact (portable zip)
        uses: actions/upload-artifact@v4
        with:
-          name: windows-qt
-          path: dist/
+          name: windows-qt-zip
+          path: Cryptographic-Triangles-*-win-x64.zip
+
+      - name: Download Tor
+        shell: powershell
+        run: |
+          $TOR_VERSION = "15.0.9"
+          $TOR_URL = "https://archive.torproject.org/tor-package-archive/torbrowser/${TOR_VERSION}/tor-expert-bundle-windows-x86_64-${TOR_VERSION}.tar.gz"
+          Invoke-WebRequest -Uri $TOR_URL -OutFile tor-bundle.tar.gz
+          New-Item -ItemType Directory -Path tor-extract -Force
+          tar -xzf tor-bundle.tar.gz -C tor-extract
+          New-Item -ItemType Directory -Path tor-files -Force
+          Copy-Item -Recurse tor-extract/tor/* tor-files/
+          if (Test-Path tor-extract/tor/pluggable_transports) {
+            Copy-Item -Recurse tor-extract/tor/pluggable_transports tor-files/pluggable_transports -Force
+          }
+          if (Test-Path tor-extract/data) {
+            Copy-Item -Recurse tor-extract/data tor-files/data
+          }
+          Write-Host "Bundled Tor runtime files:"
+          Get-ChildItem -Recurse tor-files | Select-Object FullName
+
+      - name: Install NSIS via MSYS2
+        run: pacman -S --noconfirm mingw-w64-x86_64-nsis
+
+      - name: Install NSIS inetc plugin
+        run: |
+          pacman -S --noconfirm unzip
+          NSIS_DIR="/mingw64/share/nsis"
+          cd /tmp
+          curl -L -o Inetc.zip "https://nsis.sourceforge.io/mediawiki/images/c/c9/Inetc.zip"
+          unzip -o Inetc.zip -d inetc_extract
+          # MSYS2 mingw64 NSIS is 64-bit, needs amd64-unicode plugin in Plugins/unicode/
+          mkdir -p "$NSIS_DIR/Plugins/unicode"
+          cp inetc_extract/Plugins/amd64-unicode/INetC.dll "$NSIS_DIR/Plugins/unicode/"
+          echo "Installed 64-bit INetC.dll to $NSIS_DIR/Plugins/unicode/"
+
+      - name: Build NSIS installer
+        run: makensis //DVERSION=$VERSION contrib/nsis/setup.nsi
+
+      - name: Upload installer
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-qt-setup
+          path: contrib/nsis/Cryptographic-Triangles-*-setup.exe

  build-windows-daemon:
    runs-on: windows-latest
@@ -109,6 +335,8 @@ jobs:
        shell: msys2 {0}
    steps:
      - uses: actions/checkout@v4
+        with:
+          submodules: recursive

      - uses: msys2/setup-msys2@v2
        with:
@@ -116,160 +344,409 @@ jobs:
          update: true
          install: >-
            mingw-w64-x86_64-gcc
+            mingw-w64-x86_64-cmake
+            mingw-w64-x86_64-ninja
            mingw-w64-x86_64-boost
            mingw-w64-x86_64-openssl
            mingw-w64-x86_64-db
            mingw-w64-x86_64-libevent
            mingw-w64-x86_64-miniupnpc
-            make
+            mingw-w64-x86_64-zlib
+            mingw-w64-x86_64-rocksdb
+            mingw-w64-x86_64-sqlite3
+            mingw-w64-x86_64-autotools

-      - name: Build LevelDB
+      - name: Configure
        run: |
-          cd src/leveldb
-          make clean || true
-          CC=gcc CXX=g++ TARGET_OS=OS_WINDOWS_CROSSCOMPILE make OPT="-fno-keep-inline-dllexport -march=nocona -msahf -mtune=generic -Wa,-mbig-obj -O2" libleveldb.a libmemenv.a
+          cmake -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_QT=OFF \
+            -DBUILD_DAEMON=ON \
+            -DBUILD_CLI=ON \
+            -DBUILD_TESTS=OFF \
+            -DUSE_UPNP=ON \
+            -DUSE_I2P_EMBEDDED=ON

-      - name: Build daemon
+      - name: Build libtor (embedded Tor static lib)
+        # Windows: msys2 default install puts everything in /mingw64,
+        # which is exactly the script's default. Just invoke it.
+        # See v5.9.25-fork-detection run #466 for why this is needed.
+        run: bash src/tor/build-libtor.sh
+
+      - name: Build libi2pd (embedded I2P static lib)
+        run: bash src/i2p/build-libi2pd.sh
+
+      - name: Build
        run: |
-          set -eo pipefail
-          cd src
-          mkdir -p obj
-          make -f makefile.mingw DEPSDIR=/mingw64 all -j$(nproc) 2>&1
-          strip --strip-all trianglesd.exe
-          cp trianglesd.exe ../trianglesd.exe
+          cmake --build build -j$(nproc)
+          strip --strip-all build/bin/trianglesd.exe
+          strip --strip-all build/bin/triangles-cli.exe
+
+      - name: Package daemon with DLLs
+        run: bash scripts/ci/package-windows-daemon.sh daemon-dist trianglesd triangles-cli
+
+      - name: Bundle Tor for daemon
+        shell: powershell
+        run: |
+          $TOR_VERSION = "15.0.9"
+          Invoke-WebRequest -Uri "https://archive.torproject.org/tor-package-archive/torbrowser/${TOR_VERSION}/tor-expert-bundle-windows-x86_64-${TOR_VERSION}.tar.gz" -OutFile tor-bundle.tar.gz
+          New-Item -ItemType Directory -Path tor-extract -Force
+          tar -xzf tor-bundle.tar.gz -C tor-extract
+          Copy-Item -Recurse tor-extract/tor/* daemon-dist/tor/
+          if (Test-Path tor-extract/data) {
+            Copy-Item -Recurse tor-extract/data daemon-dist/tor/data
+          }

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: windows-daemon
-          path: trianglesd.exe
+          path: daemon-dist/

  build-linux-qt:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set VERSION
+        run: |
+          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
+            echo "VERSION=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV
+          else
+            MAJOR=$(grep 'CLIENT_VERSION_MAJOR' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            MINOR=$(grep 'CLIENT_VERSION_MINOR' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            REV=$(grep 'CLIENT_VERSION_REVISION' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            echo "VERSION=${MAJOR}.${MINOR}.${REV}" >> $GITHUB_ENV
+          fi

      - name: Install dependencies
        run: |
          sudo apt-get update
-          sudo apt-get install -y build-essential qt5-qmake qtbase5-dev \
-            qttools5-dev-tools libboost-all-dev libssl-dev libdb++-dev \
-            libleveldb-dev libevent-dev libminiupnpc-dev
+          sudo apt-get install -y build-essential cmake ninja-build \
+            qtbase5-dev qttools5-dev-tools \
+            libboost-all-dev libssl-dev libdb++-dev \
+            libleveldb-dev libevent-dev libminiupnpc-dev zlib1g-dev \
+            libsnappy-dev liblz4-dev libzstd-dev

-      - name: Build LevelDB
+      - name: Build RocksDB from source
+        run: sudo bash scripts/ci/build-rocksdb.sh
+
+      - name: Configure
        run: |
-          cd src/leveldb
-          chmod +x build_detect_platform
-          make clean || true
-          make OPT="-O2" libleveldb.a libmemenv.a
+          cmake -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_QT=ON \
+            -DBUILD_DAEMON=OFF \
+            -DBUILD_TESTS=OFF \
+            -DUSE_UPNP=ON \
+            -DUSE_I2P_EMBEDDED=ON

-      - name: Clean stale build artifacts
-        run: rm -rf build/*.o
+      - name: Build libtor (embedded Tor static lib)
+        # Linux Qt GUI also transitively links -ltor via triangles_common.
+        # build-libtor.sh defaults to /mingw64; pass /usr where the
+        # libevent-dev, libssl-dev, zlib1g-dev packages install.
+        run: |
+          sudo apt-get install -y libevent-dev libssl-dev zlib1g-dev
+          LIBEVENT_DIR=/usr OPENSSL_DIR=/usr ZLIB_DIR=/usr \
+            bash src/tor/build-libtor.sh

-      - name: Run qmake
-        run: qmake triangles-qt.pro "RELEASE=1"
+      - name: Build libi2pd (embedded I2P static lib)
+        run: bash src/i2p/build-libi2pd.sh

      - name: Build
-        run: make -j$(nproc)
+        run: cmake --build build -j$(nproc)

      - name: Strip binary
-        run: strip --strip-all triangles-qt
+        run: strip --strip-all build/bin/triangles-qt

-      - name: Rename
-        run: mv triangles-qt Cryptographic-Triangles-v${VERSION}-linux-x64-qt
+      - name: Build .deb package (fully self-contained)
+        run: |
+          TOR_VERSION="15.0.9"
+          curl -sL "https://archive.torproject.org/tor-package-archive/torbrowser/${TOR_VERSION}/tor-expert-bundle-linux-x86_64-${TOR_VERSION}.tar.gz" -o tor-bundle.tar.gz
+          mkdir -p tor-extract && tar -xzf tor-bundle.tar.gz -C tor-extract

-      - name: Upload artifact
+          PKG="cryptographic-triangles_${VERSION}_amd64"
+          mkdir -p ${PKG}/DEBIAN
+          mkdir -p ${PKG}/usr/lib/cryptographic-triangles/lib
+          mkdir -p ${PKG}/usr/lib/cryptographic-triangles/tor
+          mkdir -p ${PKG}/usr/bin
+          mkdir -p ${PKG}/usr/share/applications
+          mkdir -p ${PKG}/usr/share/pixmaps
+
+          cp build/bin/triangles-qt ${PKG}/usr/lib/cryptographic-triangles/
+          cp tor-extract/tor/tor ${PKG}/usr/lib/cryptographic-triangles/tor/
+          chmod +x ${PKG}/usr/lib/cryptographic-triangles/tor/tor
+          [ -d tor-extract/data ] && cp -r tor-extract/data ${PKG}/usr/lib/cryptographic-triangles/tor/data
+
+          # Bundle ALL shared library dependencies (except glibc/kernel)
+          ldd build/bin/triangles-qt | grep '=> /' | awk '{print $3}' | while read lib; do
+            case "$lib" in
+              /lib/x86_64-linux-gnu/libc.so*|/lib/x86_64-linux-gnu/libm.so*|/lib/x86_64-linux-gnu/libpthread.so*|/lib/x86_64-linux-gnu/libdl.so*|/lib/x86_64-linux-gnu/librt.so*|/lib/x86_64-linux-gnu/ld-linux*|/lib64/ld-linux*)
+                ;; # Skip glibc core — always present
+              *)
+                cp -L "$lib" ${PKG}/usr/lib/cryptographic-triangles/lib/ 2>/dev/null || true
+                ;;
+            esac
+          done
+          echo "=== Bundled libs ==="
+          ls ${PKG}/usr/lib/cryptographic-triangles/lib/ | wc -l
+          ls ${PKG}/usr/lib/cryptographic-triangles/lib/
+
+          # Launcher with LD_LIBRARY_PATH
+          cat > ${PKG}/usr/bin/cryptographic-triangles << 'LAUNCHER'
+          #!/bin/bash
+          INSTALL_DIR=/usr/lib/cryptographic-triangles
+          export LD_LIBRARY_PATH="${INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
+          exec "${INSTALL_DIR}/triangles-qt" "$@"
+          LAUNCHER
+          sed -i 's/^          //' ${PKG}/usr/bin/cryptographic-triangles
+          chmod +x ${PKG}/usr/bin/cryptographic-triangles
+
+          cat > ${PKG}/usr/share/applications/cryptographic-triangles.desktop << 'DESKTOP'
+          [Desktop Entry]
+          Name=Cryptographic Triangles
+          Comment=Triangles Cryptocurrency Wallet
+          Exec=cryptographic-triangles
+          Terminal=false
+          Type=Application
+          Icon=cryptographic-triangles
+          Categories=Finance;Network;
+          DESKTOP
+          sed -i 's/^          //' ${PKG}/usr/share/applications/cryptographic-triangles.desktop
+
+          cp src/qt/res/icons/triangles.ico ${PKG}/usr/share/pixmaps/cryptographic-triangles.ico 2>/dev/null || true
+
+          cat > ${PKG}/DEBIAN/control << CTRL
+          Package: cryptographic-triangles
+          Version: ${VERSION}
+          Architecture: amd64
+          Maintainer: Cryptographic Triangles <dev@cryptographic-triangles.org>
+          Description: Cryptographic Triangles wallet with integrated Tor
+           Fully self-contained wallet with all libraries and Tor bundled.
+           No external dependencies required — runs on any x86_64 Linux.
+          Section: finance
+          Priority: optional
+          CTRL
+          sed -i 's/^          //' ${PKG}/DEBIAN/control
+
+          dpkg-deb --build ${PKG}
+
+      - name: Upload .deb
        uses: actions/upload-artifact@v4
        with:
-          name: linux-qt
-          path: Cryptographic-Triangles-v*-linux-x64-qt
+          name: linux-qt-deb
+          path: cryptographic-triangles_*_amd64.deb

  build-linux-daemon:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set VERSION
+        run: |
+          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
+            echo "VERSION=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV
+          else
+            MAJOR=$(grep 'CLIENT_VERSION_MAJOR' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            MINOR=$(grep 'CLIENT_VERSION_MINOR' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            REV=$(grep 'CLIENT_VERSION_REVISION' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            echo "VERSION=${MAJOR}.${MINOR}.${REV}" >> $GITHUB_ENV
+          fi

      - name: Install dependencies
        run: |
          sudo apt-get update
-          sudo apt-get install -y build-essential libboost-all-dev \
-            libssl-dev libdb++-dev libleveldb-dev libevent-dev libminiupnpc-dev
+          sudo apt-get install -y build-essential cmake ninja-build \
+            libboost-all-dev libssl-dev libdb++-dev libleveldb-dev \
+            libevent-dev libminiupnpc-dev zlib1g-dev \
+            libsnappy-dev liblz4-dev libzstd-dev

-      - name: Build LevelDB
-        run: |
-          cd src/leveldb
-          chmod +x build_detect_platform
-          make clean || true
-          make OPT="-O2" libleveldb.a libmemenv.a
+      - name: Build RocksDB from source
+        run: sudo bash scripts/ci/build-rocksdb.sh

-      - name: Build daemon
+      - name: Configure
        run: |
-          cd src
-          mkdir -p obj
-          make -f makefile.unix trianglesd -j$(nproc)
+          cmake -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_QT=OFF \
+            -DBUILD_DAEMON=ON \
+            -DBUILD_CLI=ON \
+            -DBUILD_TESTS=OFF \
+            -DUSE_UPNP=ON \
+            -DUSE_I2P_EMBEDDED=ON
+
+      - name: Build libtor (embedded Tor static lib)
+        # USE_TOR_EMBEDDED defaults to ON and the daemon/Qt GUI both
+        # link -ltor. The Tor source is a git submodule but libtor.a
+        # is NOT built by cmake. build-libtor.sh defaults to /mingw64
+        # paths which don't exist on the ubuntu-22.04 runner; pass
+        # /usr where libevent-dev/libssl-dev/zlib1g-dev install.
+        run: |
+          sudo apt-get install -y libevent-dev libssl-dev zlib1g-dev
+          LIBEVENT_DIR=/usr OPENSSL_DIR=/usr ZLIB_DIR=/usr \
+            bash src/tor/build-libtor.sh
+
+      - name: Build libi2pd (embedded I2P static lib)
+        run: bash src/i2p/build-libi2pd.sh
+
+      - name: Build
+        run: cmake --build build -j$(nproc)

      - name: Strip binary
-        run: strip --strip-all src/trianglesd
+        run: |
+          strip --strip-all build/bin/trianglesd
+          strip --strip-all build/bin/triangles-cli

-      - name: Rename
-        run: mv src/trianglesd Cryptographic-Triangles-v${VERSION}-linux-x64-daemon
+      - name: Build .deb package (fully self-contained)
+        run: bash scripts/ci/package-linux-daemon.sh "${VERSION}"

-      - name: Upload artifact
+      - name: Upload .deb
        uses: actions/upload-artifact@v4
        with:
-          name: linux-daemon
-          path: Cryptographic-Triangles-v*-linux-x64-daemon
+          name: linux-daemon-deb
+          path: cryptographic-triangles-daemon_*_amd64.deb

  build-macos:
    runs-on: macos-15
    steps:
      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set VERSION
+        run: |
+          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
+            echo "VERSION=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV
+          else
+            MAJOR=$(grep 'CLIENT_VERSION_MAJOR' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            MINOR=$(grep 'CLIENT_VERSION_MINOR' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            REV=$(grep 'CLIENT_VERSION_REVISION' src/clientversion.h | tr -d '\r' | awk '{print $3}')
+            echo "VERSION=${MAJOR}.${MINOR}.${REV}" >> $GITHUB_ENV
+          fi

      - name: Install dependencies
        run: |
-          brew install qt@5 openssl@3 boost berkeley-db@5 leveldb libevent miniupnpc
+          brew install cmake ninja qt@5 openssl@3 boost berkeley-db@5 leveldb rocksdb libevent miniupnpc zstd

-      - name: Clean stale build artifacts
-        run: rm -rf build/*.o build/*.h
-
-      - name: Build LevelDB
-        run: |
-          cd src/leveldb
-          chmod +x build_detect_platform
-          make clean || true
-          CC=clang CXX=clang++ make OPT="-O2" libleveldb.a libmemenv.a
-
-      - name: Run qmake
+      - name: Configure
+        # Add -L/opt/homebrew/lib to the link line so rocksdb's
+        # transitive -lzstd resolves. /opt/homebrew/lib is only in the
+        # rpath (runtime), not the link-time search path, so cmake's
+        # default LIBRARY_PATH propagation isn't enough — we set the
+        # linker flags explicitly.
        run: |
          export PATH="/opt/homebrew/opt/qt@5/bin:$PATH"
-          qmake triangles-qt.pro -spec macx-clang \
-            "BOOST_INCLUDE_PATH=/opt/homebrew/opt/boost/include" \
-            "BOOST_LIB_PATH=/opt/homebrew/opt/boost/lib" \
-            "BDB_INCLUDE_PATH=/opt/homebrew/opt/berkeley-db@5/include" \
-            "BDB_LIB_PATH=/opt/homebrew/opt/berkeley-db@5/lib" \
-            "BDB_LIB_SUFFIX=" \
-            "OPENSSL_INCLUDE_PATH=/opt/homebrew/opt/openssl@3/include" \
-            "OPENSSL_LIB_PATH=/opt/homebrew/opt/openssl@3/lib" \
-            "MINIUPNPC_INCLUDE_PATH=/opt/homebrew/opt/miniupnpc/include" \
-            "MINIUPNPC_LIB_PATH=/opt/homebrew/opt/miniupnpc/lib" \
-            "EVENT_INCLUDE_PATH=/opt/homebrew/opt/libevent/include" \
-            "EVENT_LIB_PATH=/opt/homebrew/opt/libevent/lib" \
-            "RELEASE=1"
+          cmake -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_QT=ON \
+            -DBUILD_DAEMON=OFF \
+            -DBUILD_TESTS=OFF \
+            -DUSE_UPNP=ON \
+            -DUSE_I2P_EMBEDDED=ON \
+            -DBOOST_ROOT=/opt/homebrew/opt/boost \
+            -DBDB_INCLUDE_PATH=/opt/homebrew/opt/berkeley-db@5/include \
+            -DBDB_LIB_PATH=/opt/homebrew/opt/berkeley-db@5/lib \
+            -DOPENSSL_ROOT_DIR=/opt/homebrew/opt/openssl@3 \
+            -DEVENT_INCLUDE_PATH=/opt/homebrew/opt/libevent/include \
+            -DEVENT_LIB_PATH=/opt/homebrew/opt/libevent/lib \
+            -DMINIUPNPC_INCLUDE_PATH=/opt/homebrew/opt/miniupnpc/include \
+            -DMINIUPNPC_LIB_PATH=/opt/homebrew/opt/miniupnpc/lib \
+            -DQt5_DIR=/opt/homebrew/opt/qt@5/lib/cmake/Qt5 \
+            -DCMAKE_LIBRARY_PATH=/opt/homebrew/lib \
+            -DCMAKE_EXE_LINKER_FLAGS="-L/opt/homebrew/lib" \
+            -DCMAKE_SHARED_LINKER_FLAGS="-L/opt/homebrew/lib"
+
+      - name: Build libtor (embedded Tor static lib)
+        # macOS Qt GUI also transitively links -ltor via triangles_common.
+        # macOS Qt is built with @rpath embedded, so libtor needs to be
+        # at the configured TOR_SOURCE_ROOT location.
+        run: |
+          brew install libevent openssl@3 autoconf automake libtool zlib zstd
+          export PATH="/opt/homebrew/opt/automake/bin:/opt/homebrew/opt/libtool/bin:$PATH"
+          LIBEVENT_DIR=/opt/homebrew/opt/libevent \
+            OPENSSL_DIR=/opt/homebrew/opt/openssl@3 \
+            ZLIB_DIR=/opt/homebrew/opt/zlib \
+            bash src/tor/build-libtor.sh
+
+      - name: Build libtor (embedded Tor static lib)
+        # macOS Qt GUI also transitively links -ltor via triangles_common.
+        # macOS Qt is built with @rpath embedded, so libtor needs to be
+        # at the configured TOR_SOURCE_ROOT location.
+        run: |
+          brew install libevent openssl@3 autoconf automake libtool zlib
+          export PATH="/opt/homebrew/opt/automake/bin:/opt/homebrew/opt/libtool/bin:$PATH"
+          LIBEVENT_DIR=/opt/homebrew/opt/libevent \
+            OPENSSL_DIR=/opt/homebrew/opt/openssl@3 \
+            ZLIB_DIR=/opt/homebrew/opt/zlib \
+            bash src/tor/build-libtor.sh
+
+      - name: Build libi2pd (embedded I2P static lib)
+        # HOMEBREW=1 tells the i2pd Makefile to use Homebrew paths.
+        run: HOMEBREW=1 bash src/i2p/build-libi2pd.sh

      - name: Build
-        run: |
-          export PATH="/opt/homebrew/opt/qt@5/bin:$PATH"
-          make -j$(sysctl -n hw.ncpu)
+        run: cmake --build build -j$(sysctl -n hw.ncpu)

      - name: Create .app bundle
        run: |
          export PATH="/opt/homebrew/opt/qt@5/bin:$PATH"
-          macdeployqt Triangles-Qt.app -verbose=1
+          macdeployqt build/bin/Triangles-Qt.app -verbose=1 || \
+          macdeployqt build/bin/triangles-qt.app -verbose=1 || true
+
+      - name: Bundle non-Qt dylibs into app
+        run: |
+          # Find the .app bundle
+          APP=$(find build/bin -name "*.app" -maxdepth 1 | head -1)
+          if [ -z "$APP" ]; then
+            echo "No .app bundle found, creating one manually..."
+            APP="build/bin/Triangles-Qt.app"
+            mkdir -p "$APP/Contents/MacOS" "$APP/Contents/Frameworks"
+            cp build/bin/triangles-qt "$APP/Contents/MacOS/Triangles-Qt"
+          fi
+          FRAMEWORKS="$APP/Contents/Frameworks"
+          BINARY=$(find "$APP/Contents/MacOS" -type f -perm +111 | head -1)
+
+          # Copy Homebrew dylibs that macdeployqt doesn't handle
+          for lib in boost_system boost_filesystem boost_thread boost_program_options boost_chrono; do
+            DYLIB=$(otool -L "$BINARY" | grep "$lib" | awk '{print $1}')
+            if [ -n "$DYLIB" ] && [ -f "$DYLIB" ]; then
+              cp "$DYLIB" "$FRAMEWORKS/"
+              BASENAME=$(basename "$DYLIB")
+              install_name_tool -change "$DYLIB" "@executable_path/../Frameworks/$BASENAME" "$BINARY"
+            fi
+          done
+          for lib in libssl libcrypto libevent libdb_cxx libminiupnpc libsodium; do
+            DYLIB=$(otool -L "$BINARY" | grep "$lib" | awk '{print $1}')
+            if [ -n "$DYLIB" ] && [ -f "$DYLIB" ]; then
+              cp "$DYLIB" "$FRAMEWORKS/"
+              BASENAME=$(basename "$DYLIB")
+              install_name_tool -change "$DYLIB" "@executable_path/../Frameworks/$BASENAME" "$BINARY"
+            fi
+          done
+
+          echo "=== Final dylib dependencies ==="
+          otool -L "$BINARY" | head -30
+
+      - name: Bundle Tor into app
+        run: |
+          TOR_VERSION="15.0.9"
+          curl -sL "https://archive.torproject.org/tor-package-archive/torbrowser/${TOR_VERSION}/tor-expert-bundle-macos-aarch64-${TOR_VERSION}.tar.gz" -o tor-bundle.tar.gz
+          mkdir -p tor-extract && tar -xzf tor-bundle.tar.gz -C tor-extract
+          APP=$(find build/bin -name "*.app" -maxdepth 1 | head -1)
+          mkdir -p "$APP/Contents/MacOS/tor"
+          cp tor-extract/tor/tor "$APP/Contents/MacOS/tor/"
+          chmod +x "$APP/Contents/MacOS/tor/tor"
+          [ -d tor-extract/data ] && cp -r tor-extract/data "$APP/Contents/MacOS/tor/data"

      - name: Create DMG
        run: |
+          APP=$(find build/bin -name "*.app" -maxdepth 1 | head -1)
          mkdir -p dmg_contents
-          cp -R Triangles-Qt.app dmg_contents/
+          cp -R "$APP" dmg_contents/
          ln -s /Applications dmg_contents/Applications
          hdiutil create -volname "Cryptographic Triangles" \
            -srcfolder dmg_contents \
@@ -289,6 +766,9 @@ jobs:
    permissions:
      contents: write
    steps:
+      - name: Set VERSION from tag
+        run: echo "VERSION=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV
+
      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
@@ -297,14 +777,17 @@ jobs:
      - name: Prepare release assets
        run: |
          mkdir -p release
-          # Windows
-          cd artifacts/windows-qt && zip -r ../../release/Cryptographic-Triangles-${VERSION}-win-x64.zip . && cd ../..
-          cp artifacts/windows-qt/triangles-qt.exe release/Cryptographic-Triangles-${VERSION}-win-x64-qt.exe
-          cp artifacts/windows-daemon/trianglesd.exe release/Cryptographic-Triangles-${VERSION}-win-x64-daemon.exe
-          # Linux
-          cp artifacts/linux-qt/Cryptographic-Triangles-* release/
-          cp artifacts/linux-daemon/Cryptographic-Triangles-* release/
-          # macOS
+          # Windows Qt installer (setup.exe — includes Tor, Start Menu shortcuts, uninstaller)
+          cp artifacts/windows-qt-setup/*.exe release/
+          # Windows Qt portable zip (extract & run — no install required)
+          cp artifacts/windows-qt-zip/*.zip release/
+          # Windows daemon (zip with DLLs + Tor)
+          cd artifacts/windows-daemon && zip -r "../../release/Cryptographic-Triangles-${VERSION}-win-x64-daemon.zip" . && cd ../..
+          # Linux Qt .deb (dpkg -i to install — includes Tor, desktop entry, icon)
+          cp artifacts/linux-qt-deb/*.deb release/
+          # Linux daemon .deb (dpkg -i to install — includes Tor, systemd service)
+          cp artifacts/linux-daemon-deb/*.deb release/
+          # macOS DMG (drag to Applications — Tor inside .app bundle)
          cp artifacts/macos-arm64-dmg/*.dmg release/
          ls -la release/

@@ -313,3 +796,19 @@ jobs:
        with:
          files: release/*
          generate_release_notes: true
+
+  trigger-tripi:
+    name: Trigger TRI-PI ARM64 Build
+    if: startsWith(github.ref, 'refs/tags/v')
+    needs: release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Dispatch tri-pi ARM64 build
+        run: |
+          curl -f -X POST \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${{ secrets.TRIPI_BUILD_TOKEN }}" \
+            -H "X-GitHub-Api-Version: 2022-11-28" \
+            https://api.github.com/repos/SamiAhmed7777/tri-pi/dispatches \
+            -d '{"event_type":"new-release","client_payload":{"version":"${{ github.ref_name }}","source_repo":"SamiAhmed7777/triangles_v5"}}'
+          echo "Triggered tri-pi repository_dispatch for ${{ github.ref_name }}"
@@ -0,0 +1,670 @@
+name: Distribute Release
+
+# Auto-pushes new releases to package managers. Triggers on:
+#   - tag push (e.g. v5.9.21) — the normal release flow
+#   - workflow_dispatch — manual run for testing or backports
+#
+# Each step that needs a secret checks for it and skips gracefully with a
+# clear warning if it's not set, so the workflow can be merged and tested
+# before secrets are configured.
+
+on:
+  push:
+    tags: ['v*']
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Override version (e.g. 5.9.21). Leave blank to use tag.'
+        required: false
+        type: string
+
+permissions:
+  contents: read
+
+jobs:
+  version:
+    name: Resolve version
+    runs-on: ubuntu-22.04
+    if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/v')
+    outputs:
+      version: ${{ steps.v.outputs.version }}
+    steps:
+      - id: v
+        run: |
+          if [ "${{ github.event_name }}" = "workflow_dispatch" ] && [ -n "${{ inputs.version }}" ]; then
+            echo "version=${{ inputs.version }}" >> $GITHUB_OUTPUT
+          else
+            echo "version=${GITHUB_REF_NAME#v}" >> $GITHUB_OUTPUT
+          fi
+      - run: echo "Distributing v${{ steps.v.outputs.version }}"
+
+  docker:
+    name: Docker Hub
+    needs: version
+    if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: read
+      packages: write
+    env:
+      DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
+      VERSION: ${{ needs.version.outputs.version }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        run: |
+          if [ -z "$DOCKERHUB_TOKEN" ]; then
+            echo "::warning::DOCKERHUB_TOKEN secret not set — skipping Docker push. Add it at Settings → Secrets → Actions."
+            exit 0
+          fi
+          echo "$DOCKERHUB_TOKEN" | docker login -u samiahmed7777 --password-stdin
+
+      - name: Wait for release artifacts
+        run: |
+          # The Dockerfile downloads the daemon .deb from the release URL.
+          # On tag-push the release is created first, but the assets get
+          # uploaded a few seconds/minutes later by the build job — without
+          # this wait, the Docker build races and fails with curl 22 / 404
+          # (saw this on v5.9.24 run #24, dist #24, Docker Hub job
+          # step #5 — release was published 8 min after the workflow fired).
+          for i in {1..30}; do
+            URL="https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/cryptographic-triangles-daemon_${VERSION}_amd64.deb"
+            if curl -fsSL --head "$URL" >/dev/null 2>&1; then
+              echo "✓ Release .deb available: $URL"
+              exit 0
+            fi
+            echo "  waiting for release v${VERSION} daemon .deb... ($i/30)"
+            sleep 20
+          done
+          echo "::error::Release v${VERSION} daemon .deb never became available after 10 minutes"
+          exit 1
+
+      - name: Build and push
+        run: |
+          if [ -z "$DOCKERHUB_TOKEN" ]; then exit 0; fi
+          docker buildx build \
+            --push \
+            --tag samiahmed7777/trianglesd:$VERSION \
+            --tag samiahmed7777/trianglesd:latest \
+            --cache-from type=gha \
+            --cache-to type=gha,mode=max \
+            --provenance=false \
+            ./packaging/docker
+
+      - name: Verify pushed image
+        run: |
+          if [ -z "$DOCKERHUB_TOKEN" ]; then exit 0; fi
+          docker pull samiahmed7777/trianglesd:$VERSION
+          echo "--- trianglesd -version ---"
+          docker run --rm samiahmed7777/trianglesd:$VERSION trianglesd -version 2>&1 | head -3
+          echo "--- triangles-cli getinfo (will fail without RPC, expected) ---"
+          docker run --rm samiahmed7777/trianglesd:$VERSION triangles-cli getinfo 2>&1 | head -3
+
+  aur:
+    name: AUR (triangles-qt-bin)
+    needs: version
+    if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-22.04
+    container:
+      image: archlinux:latest
+      options: --privileged
+    env:
+      AUR_SSH_KEY: ${{ secrets.AUR_SSH_KEY }}
+      VERSION: ${{ needs.version.outputs.version }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check AUR_SSH_KEY
+        run: |
+          if [ -z "$AUR_SSH_KEY" ]; then
+            echo "::warning::AUR_SSH_KEY secret not set — skipping AUR push. Add it at Settings → Secrets → Actions."
+            echo "::warning::The key should be the contents of ~/.ssh/aur_key (private key, not .pub)."
+          fi
+
+      - name: Install build tools + create non-root user
+        if: env.AUR_SSH_KEY != ''
+        run: |
+          pacman -Syu --noconfirm --needed git openssh base-devel python sudo
+          # makepkg refuses to run as root — create a build user
+          useradd -m -s /bin/bash build
+          echo 'build ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers
+          chown -R build:build "$GITHUB_WORKSPACE"
+
+      - name: Wait for release artifacts
+        if: env.AUR_SSH_KEY != ''
+        run: |
+          for i in {1..30}; do
+            URL="https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/cryptographic-triangles_${VERSION}_amd64.deb"
+            if curl -fsSL --head "$URL" >/dev/null 2>&1; then
+              echo "✓ Release .deb available: $URL"
+              exit 0
+            fi
+            echo "  waiting for release v${VERSION}... ($i/30)"
+            sleep 20
+          done
+          echo "::error::Release v${VERSION} .deb never became available after 10 minutes"
+          exit 1
+
+      - name: Download source .debs
+        if: env.AUR_SSH_KEY != ''
+        run: |
+          cd /tmp
+          curl -fsSL -o full.deb "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/cryptographic-triangles_${VERSION}_amd64.deb"
+          curl -fsSL -o daemon.deb "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/cryptographic-triangles-daemon_${VERSION}_amd64.deb"
+          ls -la /tmp/*.deb
+          sha256sum /tmp/full.deb /tmp/daemon.deb
+
+      - name: Update PKGBUILD with version + SHA256s
+        if: env.AUR_SSH_KEY != ''
+        run: |
+          cp "$GITHUB_WORKSPACE/packaging/aur/PKGBUILD" /tmp/PKGBUILD
+          chown build:build /tmp/PKGBUILD /tmp/full.deb /tmp/daemon.deb
+          sudo -u build bash -c '
+            set -e
+            cd /tmp
+            FULL_SHA=$(sha256sum full.deb | awk "{print \$1}")
+            DAEMON_SHA=$(sha256sum daemon.deb | awk "{print \$1}")
+            echo "version='"$VERSION"' full=$FULL_SHA daemon=$DAEMON_SHA"
+            python3 - <<PYEOF
+          import re
+          with open("/tmp/PKGBUILD") as f:
+              content = f.read()
+          content = re.sub(r"^pkgver=.*", "pkgver='"$VERSION"'", content, count=1, flags=re.MULTILINE)
+          new_shas = """sha256sums=(
+              '"'"'$FULL_SHA'"'"'
+              '"'"'$DAEMON_SHA'"'"'
+              '"'"'SKIP'"'"'
+          )"""
+          content = re.sub(r"sha256sums=\(.*?\)", new_shas, content, count=1, flags=re.DOTALL)
+          with open("/tmp/PKGBUILD", "w") as f:
+              f.write(content)
+          PYEOF
+            echo "--- updated PKGBUILD (pkgver + sha256sums) ---"
+            grep -E "^(pkgver|sha256sums)" /tmp/PKGBUILD
+          '
+
+      - name: Generate .SRCINFO via makepkg
+        if: env.AUR_SSH_KEY != ''
+        run: |
+          cp /tmp/full.deb "/tmp/cryptographic-triangles_${VERSION}_amd64.deb"
+          cp /tmp/daemon.deb "/tmp/cryptographic-triangles-daemon_${VERSION}_amd64.deb"
+          chown build:build /tmp/PKGBUILD /tmp/cryptographic-triangles-*.deb
+          sudo -u build bash -c '
+            cd /tmp
+            makepkg --printsrcinfo > .SRCINFO
+            echo "--- generated .SRCINFO ---"
+            cat .SRCINFO
+          '
+
+      - name: Setup SSH key for AUR
+        if: env.AUR_SSH_KEY != ''
+        run: |
+          mkdir -p /home/build/.ssh
+          printf '%s\n' "$AUR_SSH_KEY" > /home/build/.ssh/aur_key
+          chmod 600 /home/build/.ssh/aur_key
+          ssh-keyscan -t ed25519 aur.archlinux.org > /home/build/.ssh/known_hosts 2>/dev/null
+          chown -R build:build /home/build/.ssh
+
+      - name: Clone AUR repo
+        if: env.AUR_SSH_KEY != ''
+        run: |
+          sudo -u build bash -c '
+            cd /tmp
+            GIT_SSH_COMMAND="ssh -i ~/.ssh/aur_key -o IdentitiesOnly=yes" \
+              git clone ssh://aur@aur.archlinux.org/triangles-qt-bin.git
+            ls -la /tmp/triangles-qt-bin
+          '
+
+      - name: Stage updated files
+        if: env.AUR_SSH_KEY != ''
+        run: |
+          cp /tmp/PKGBUILD /tmp/triangles-qt-bin/PKGBUILD
+          cp /tmp/.SRCINFO /tmp/triangles-qt-bin/.SRCINFO
+          cp "$GITHUB_WORKSPACE/packaging/aur/triangles-qt.desktop" /tmp/triangles-qt-bin/triangles-qt.desktop
+          chown -R build:build /tmp/triangles-qt-bin
+          sudo -u build bash -c '
+            cd /tmp/triangles-qt-bin
+            git --no-pager diff --stat
+          '
+
+      - name: Commit and push to AUR
+        if: env.AUR_SSH_KEY != ''
+        run: |
+          sudo -u build bash -c '
+            cd /tmp/triangles-qt-bin
+            git config user.name "Sami Ahmed"
+            git config user.email "SamiAhmed7777@users.noreply.github.com"
+            git add PKGBUILD .SRCINFO triangles-qt.desktop
+            if git diff --cached --quiet; then
+              echo "No changes to commit (AUR already at this version)"
+              exit 0
+            fi
+            git commit -m "triangles-qt-bin '"$VERSION"'-1"
+            GIT_SSH_COMMAND="ssh -i ~/.ssh/aur_key -o IdentitiesOnly=yes" \
+              git push origin master
+          '
+
+      - name: ✓ Summary
+        if: always()
+        run: |
+          if [ -z "$AUR_SSH_KEY" ]; then
+            echo "::notice::AUR job was skipped because AUR_SSH_KEY is not set."
+          else
+            echo "::notice::AUR distribution completed."
+          fi
+
+  homebrew:
+    name: Homebrew tap (SamiAhmed7777/homebrew-triangles)
+    needs: version
+    if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-22.04
+    env:
+      HOMEBREW_GITHUB_TOKEN: ${{ secrets.HOMEBREW_GITHUB_TOKEN }}
+      VERSION: ${{ needs.version.outputs.version }}
+    steps:
+      - name: Check HOMEBREW_GITHUB_TOKEN
+        run: |
+          if [ -z "$HOMEBREW_GITHUB_TOKEN" ]; then
+            echo "::warning::HOMEBREW_GITHUB_TOKEN secret not set — skipping Homebrew push. Add it at Settings → Secrets → Actions."
+            echo "::warning::Use a GitHub PAT with 'repo' scope for SamiAhmed7777/homebrew-triangles."
+          fi
+
+      - name: Wait for release artifacts
+        if: env.HOMEBREW_GITHUB_TOKEN != ''
+        run: |
+          for i in {1..30}; do
+            URL="https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/Cryptographic-Triangles-v${VERSION}-macos-arm64.dmg"
+            if curl -fsSL --head "$URL" >/dev/null 2>&1; then
+              echo "✓ Release .dmg available: $URL"
+              exit 0
+            fi
+            echo "  waiting for release v${VERSION}... ($i/30)"
+            sleep 20
+          done
+          echo "::error::Release v${VERSION} macOS .dmg never became available"
+          exit 1
+
+      - name: Compute macOS .dmg SHA256
+        if: env.HOMEBREW_GITHUB_TOKEN != ''
+        id: sha
+        run: |
+          curl -fsSL -o /tmp/triangles.dmg \
+            "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/Cryptographic-Triangles-v${VERSION}-macos-arm64.dmg"
+          SHA=$(sha256sum /tmp/triangles.dmg | awk '{print $1}')
+          echo "sha=$SHA" >> $GITHUB_OUTPUT
+          echo "macOS .dmg SHA256: $SHA"
+
+      - name: Clone homebrew-triangles
+        if: env.HOMEBREW_GITHUB_TOKEN != ''
+        run: |
+          git clone https://x-access-token:$HOMEBREW_GITHUB_TOKEN@github.com/SamiAhmed7777/homebrew-triangles.git /tmp/homebrew-triangles
+          cd /tmp/homebrew-triangles
+          git --no-pager log --oneline | head -3
+
+      - name: Update Formula and Cask
+        if: env.HOMEBREW_GITHUB_TOKEN != ''
+        env:
+          VERSION: ${{ needs.version.outputs.version }}
+          SHA: ${{ steps.sha.outputs.sha }}
+        run: |
+          cd /tmp/homebrew-triangles
+          # Update Casks/cryptographic-triangles.rb
+          python3 - <<PYEOF
+          import re
+          for path, old_v_pat, old_sha_pat in [
+              ('Casks/cryptographic-triangles.rb', r'^\s*version\s+"[\d.]+"', r'^\s*sha256\s+"[a-f0-9]+"'),
+              ('Formula/triangles.rb',             r'^\s*version\s+"[\d.]+"', r'^\s*sha256\s+"[a-f0-9]+"'),
+          ]:
+              with open(path) as f: content = f.read()
+              content = re.sub(old_v_pat, f'  version "$VERSION"', content, count=1, flags=re.MULTILINE)
+              content = re.sub(old_sha_pat, f'  sha256 "$SHA"', content, count=1, flags=re.MULTILINE)
+              with open(path, 'w') as f: f.write(content)
+          PYEOF
+          cat Formula/triangles.rb | head -5
+          echo "---"
+          cat Casks/cryptographic-triangles.rb | head -5
+          git --no-pager diff --stat
+
+      - name: Commit and push
+        if: env.HOMEBREW_GITHUB_TOKEN != ''
+        env:
+          VERSION: ${{ needs.version.outputs.version }}
+        run: |
+          cd /tmp/homebrew-triangles
+          git config user.name "Sami Ahmed"
+          git config user.email "SamiAhmed7777@users.noreply.github.com"
+          git add Formula/triangles.rb Casks/cryptographic-triangles.rb
+          if git diff --cached --quiet; then
+            echo "No changes to commit (Homebrew tap already at this version)"
+            exit 0
+          fi
+          git commit -m "triangles ${VERSION}"
+          git push origin main
+
+      - name: ✓ Summary
+        if: always()
+        run: |
+          if [ -z "$HOMEBREW_GITHUB_TOKEN" ]; then
+            echo "::notice::Homebrew job was skipped because HOMEBREW_GITHUB_TOKEN is not set."
+          else
+            echo "::notice::Homebrew distribution completed."
+          fi
+
+  chocolatey:
+    name: Chocolatey (triangles)
+    needs: version
+    if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/v')
+    runs-on: windows-latest
+    env:
+      CHOCO_API_KEY: ${{ secrets.CHOCO_API_KEY }}
+      VERSION: ${{ needs.version.outputs.version }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check CHOCO_API_KEY + CHOCO_SKIP_WACATAC
+        shell: bash
+        run: |
+          if [ -z "$CHOCO_API_KEY" ]; then
+            echo "::warning::CHOCO_API_KEY not set — skipping Chocolatey push."
+          fi
+          if [ "$CHOCO_SKIP_WACATAC" != "" ]; then
+            echo "::warning::CHOCO_SKIP_WACATAC=$CHOCO_SKIP_WACATAC — skipping Chocolatey push (Wacatac still active)."
+          fi
+
+      - name: Wait for release artifacts
+        if: env.CHOCO_API_KEY != '' && env.CHOCO_SKIP_WACATAC != ''
+        shell: bash
+        run: |
+          for i in {1..30}; do
+            URL="https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/Cryptographic-Triangles-${VERSION}-win-x64-setup.exe"
+            if curl -fsSL --head "$URL" >/dev/null 2>&1; then
+              echo "✓ Release .exe available: $URL"
+              exit 0
+            fi
+            echo "  waiting for release v${VERSION}... ($i/30)"
+            sleep 20
+          done
+          echo "::error::Release v${VERSION} Windows installer never became available"
+          exit 1
+
+      - name: Compute installer SHA256
+        if: env.CHOCO_API_KEY != '' && env.CHOCO_SKIP_WACATAC != ''
+        shell: bash
+        id: sha
+        run: |
+          curl -fsSL -o /tmp/triangles-setup.exe \
+            "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/Cryptographic-Triangles-${VERSION}-win-x64-setup.exe"
+          SHA=$(sha256sum /tmp/triangles-setup.exe | awk '{print $1}')
+          echo "sha=$SHA" >> $GITHUB_OUTPUT
+          echo "Chocolatey installer SHA256: $SHA"
+
+      - name: Update nuspec version
+        if: env.CHOCO_API_KEY != '' && env.CHOCO_SKIP_WACATAC != ''
+        shell: bash
+        working-directory: ${{ github.workspace }}/packaging/chocolatey
+        run: |
+          python3 -c "
+          import re
+          with open('triangles.nuspec') as f: c = f.read()
+          c = re.sub(r'<version>[\d.]+</version>', f'<version>${VERSION}</version>', c)
+          with open('triangles.nuspec', 'w') as f: f.write(c)
+          print('updated nuspec version to', '${VERSION}')
+          "
+          grep -E "<version>|<id>" triangles.nuspec
+
+      - name: Update nuspec version + install script SHA
+        if: env.CHOCO_API_KEY != '' && env.CHOCO_SKIP_WACATAC != ''
+        shell: bash
+        working-directory: ${{ github.workspace }}/packaging/chocolatey
+        run: |
+          python3 -c "
+          import re
+          with open('triangles.nuspec') as f: c = f.read()
+          c = re.sub(r'<version>[\d.]+</version>', f'<version>${VERSION}</version>', c)
+          with open('triangles.nuspec', 'w') as f: f.write(c)
+          with open('tools/chocolateyInstall.ps1') as f: c = f.read()
+          c = c.replace('__CHECKSUM_PLACEHOLDER__', '${{ steps.sha.outputs.sha }}')
+          with open('tools/chocolateyInstall.ps1', 'w') as f: f.write(c)
+          print('updated nuspec version + install script checksum')
+          "
+          grep -E "<version>|<id>" triangles.nuspec
+          grep checksum64 tools/chocolateyInstall.ps1
+
+      - name: Pack Chocolatey package
+        if: env.CHOCO_API_KEY != '' && env.CHOCO_SKIP_WACATAC != ''
+        shell: pwsh
+        working-directory: ${{ github.workspace }}/packaging/chocolatey
+        run: |
+          choco pack
+          Get-ChildItem *.nupkg
+
+      - name: Push to Chocolatey
+        if: env.CHOCO_API_KEY != '' && env.CHOCO_SKIP_WACATAC != ''
+        shell: pwsh
+        working-directory: ${{ github.workspace }}/packaging/chocolatey
+        run: |
+          $apiKey = [System.Environment]::GetEnvironmentVariable('CHOCO_API_KEY', 'Process')
+          choco apikey add --key="$apiKey" --source='https://push.chocolatey.org/'
+          Get-ChildItem *.nupkg | ForEach-Object {
+            Write-Host "Pushing $($_.Name)..."
+            choco push $_.Name --source='https://push.chocolatey.org/'
+          }
+
+      - name: ✓ Summary
+        if: always()
+        shell: bash
+        run: |
+          if [ -z "$CHOCO_API_KEY" ]; then
+            echo "::notice::Chocolatey job skipped (CHOCO_API_KEY not set)."
+          elif [ -n "$CHOCO_SKIP_WACATAC" ]; then
+            echo "::notice::Chocolatey job skipped (Wacatac detection still active). Set CHOCO_SKIP_WACATAC='' and re-run after Microsoft clears the false-positive."
+          else
+            echo "::notice::Chocolatey push completed (subject to moderator review)."
+          fi
+
+  winget:
+    name: WinGet (CryptographicTriangles.TrianglesQt)
+    needs: version
+    if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-22.04
+    env:
+      WINGET_TOKEN: ${{ secrets.WINGET_TOKEN }}
+      VERSION: ${{ needs.version.outputs.version }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check WINGET_TOKEN
+        run: |
+          if [ -z "$WINGET_TOKEN" ]; then
+            echo "::warning::WINGET_TOKEN not set — skipping WinGet PR. Add a GitHub PAT with 'public_repo' scope at Settings → Secrets → Actions."
+          fi
+
+      - name: Wait for release artifacts
+        if: env.WINGET_TOKEN != ''
+        run: |
+          for i in {1..30}; do
+            URL="https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/Cryptographic-Triangles-${VERSION}-win-x64-setup.exe"
+            if curl -fsSL --head "$URL" >/dev/null 2>&1; then
+              echo "✓ Release .exe available: $URL"
+              exit 0
+            fi
+            echo "  waiting for release v${VERSION}... ($i/30)"
+            sleep 20
+          done
+          echo "::error::Release v${VERSION} Windows installer never became available"
+          exit 1
+
+      - name: Compute installer SHA256
+        if: env.WINGET_TOKEN != ''
+        id: sha
+        run: |
+          curl -fsSL -o /tmp/triangles-setup.exe \
+            "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/Cryptographic-Triangles-${VERSION}-win-x64-setup.exe"
+          SHA=$(sha256sum /tmp/triangles-setup.exe | awk '{print $1}')
+          echo "sha=$SHA" >> $GITHUB_OUTPUT
+          echo "WinGet installer SHA256: $SHA"
+
+      - name: "Pre-flight check for existing failed WinGet PRs"
+        if: env.WINGET_TOKEN != ''
+        env:
+          GH_TOKEN: ${{ secrets.WINGET_TOKEN }}
+        run: |
+          set -e
+          # Don't pile up PRs if previous ones still have author-action-needed flags.
+          # winget-pkgs moderators can read repeated unfixed failures as spam.
+          # Skip the PR for this release if any existing SamiAhmed7777 PR against
+          # microsoft/winget-pkgs has a blocker label.
+          echo "Checking existing open PRs from SamiAhmed7777 on microsoft/winget-pkgs..."
+          BLOCKING=$(gh api -X GET \
+            'repos/microsoft/winget-pkgs/issues?state=open&labels=PullRequest-Error,Needs-Author-Feedback&per_page=30' \
+            --jq '.[] | select(.user.login=="SamiAhmed7777") | "#\(.number) [\(.state)] \(.title)"' \
+            || echo "")
+          if [ -n "$BLOCKING" ]; then
+            echo "::error::Existing WinGet PR(s) with blocker labels — fix or close those first:"
+            echo "$BLOCKING"
+            echo "::error::Aborting this WinGet submission to avoid piling up failed PRs."
+            exit 1
+          fi
+          echo "✓ No blocker-labelled PRs found — safe to submit."
+
+      - name: Fork + update WinGet manifest + open PR
+        if: env.WINGET_TOKEN != ''
+        env:
+          GH_TOKEN: ${{ secrets.WINGET_TOKEN }}
+          SHA: ${{ steps.sha.outputs.sha }}
+          PUBLISHER_INITIAL: c
+          PACKAGE_ID: CryptographicTriangles.TrianglesQt
+          PACKAGE_SHORT: TrianglesQt
+          INSTALLER_URL: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${{ env.VERSION }}/Cryptographic-Triangles-${{ env.VERSION }}-win-x64-setup.exe
+        run: |
+          set -e
+          # Install gh + jq if missing
+          which gh >/dev/null 2>&1 || (curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | sudo dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | sudo tee /etc/apt/sources.list.d/github-cli.list >/dev/null && sudo apt update && sudo apt install -y gh jq)
+
+          # Skip if a PR for THIS version already exists (avoid duplicate submissions).
+          echo "Checking for existing PR for version ${VERSION}..."
+          if gh api 'repos/microsoft/winget-pkgs/pulls?state=open&per_page=30' \
+              --jq ".[] | select(.head.ref | startswith(\"triangles-${VERSION}-\")) | .number" \
+              | grep -q .; then
+            echo "::notice::PR for v${VERSION} already exists — skipping to avoid duplicate."
+            exit 0
+          fi
+          echo "✓ No existing PR for v${VERSION}."
+
+          VERSION="$VERSION"
+          # Path convention (winget-pkgs): lowercase first letter of publisher,
+          # then publisher folder (PascalCase), then short package folder name.
+          # Example: manifests/c/CryptographicTriangles/TrianglesQt/5.9.20/
+          MANIFEST_DIR="manifests/$PUBLISHER_INITIAL/CryptographicTriangles/$PACKAGE_SHORT/$VERSION"
+
+          # TrianglesQt is built with NSIS (Nullsoft). Standard silent flag is /S.
+          # If the installer tech ever changes, update InstallerSwitches here.
+          NSIS_SILENT="/S"
+          
+          # 1. Clone the winget-pkgs repo (Sami's fork) — auto-create fork if needed
+          echo "Forking microsoft/winget-pkgs..."
+          GH_REPO="SamiAhmed7777/winget-pkgs"
+          if ! gh repo view "$GH_REPO" >/dev/null 2>&1; then
+            gh repo fork microsoft/winget-pkgs --remote=false || true
+          fi
+          rm -rf winget-pkgs
+          git clone --depth 1 "https://x-access-token:${WINGET_TOKEN}@github.com/${GH_REPO}.git" winget-pkgs
+          cd winget-pkgs
+          git config user.name "Sami Ahmed"
+          git config user.email "SamiAhmed7777@users.noreply.github.com"
+          
+          BRANCH="triangles-${VERSION}-${{ github.run_number }}"
+          git checkout -b "$BRANCH"
+          
+          mkdir -p "$MANIFEST_DIR"
+
+          # 2. Generate the three manifest files (winget-pkgs schema 1.12.0)
+          #
+          # Schema rules (see doc/manifest/schema/1.12.0/*.md and
+          # doc/ValidationFailureGuide.md):
+          #   - version file: PackageIdentifier, PackageVersion, DefaultLocale
+          #     (NOT PackageLocale — that's the old field name), ManifestType
+          #     "version", ManifestVersion "1.12.0"
+          #   - defaultLocale file: Publisher, PackageName, License,
+          #     ShortDescription are REQUIRED (no Publisher in version file)
+          #   - installer file: InstallModes array (not "InstallerMode:
+          #     interactive" — that's the old field name); ManifestVersion 1.12.0
+          #   - All files: include # yaml-language-server: $schema=... comment
+          #     for editor + validator support
+
+          SCHEMA_BASE="https://raw.githubusercontent.com/microsoft/winget-cli/master/schemas/JSON/manifests/v1.12.0"
+
+          cat > "$MANIFEST_DIR/${PACKAGE_ID}.yaml" <<EOF
+          # yaml-language-server: \$schema=https://aka.ms/winget-manifest.version.1.12.0.schema.json
+          PackageIdentifier: ${PACKAGE_ID}
+          PackageVersion: ${VERSION}
+          DefaultLocale: en-US
+          ManifestType: version
+          ManifestVersion: 1.12.0
+          EOF
+
+          cat > "$MANIFEST_DIR/${PACKAGE_ID}.locale.en-US.yaml" <<EOF
+          # yaml-language-server: \$schema=https://aka.ms/winget-manifest.defaultLocale.1.12.0.schema.json
+          PackageIdentifier: ${PACKAGE_ID}
+          PackageVersion: ${VERSION}
+          PackageLocale: en-US
+          Publisher: Cryptographic Triangles
+          PublisherUrl: https://cryptographic-triangles.org
+          PackageName: Cryptographic Triangles Qt Wallet
+          License: MIT
+          ShortDescription: Privacy-focused cryptocurrency wallet with PoS staking, Tor v3, and encrypted messaging.
+          Description: |-
+            Cryptographic Triangles (TRI) is a privacy-focused cryptocurrency
+            featuring Proof-of-Stake consensus with 33% annual staking rewards,
+            Tor v3 onion routing, and built-in encrypted peer-to-peer messaging.
+            Originally launched in July 2014, featuring the unique Hash9 algorithm
+            (13-step hash cascade).
+          ManifestType: defaultLocale
+          ManifestVersion: 1.12.0
+          EOF
+
+          cat > "$MANIFEST_DIR/${PACKAGE_ID}.installer.yaml" <<EOF
+          # yaml-language-server: \$schema=https://aka.ms/winget-manifest.installer.1.12.0.schema.json
+          PackageIdentifier: ${PACKAGE_ID}
+          PackageVersion: ${VERSION}
+          InstallModes:
+            - interactive
+            - silent
+          InstallerSwitches:
+            Silent: /S
+            SilentWithProgress: /S
+          Installers:
+            - Architecture: x64
+              InstallerType: exe
+              InstallerUrl: ${INSTALLER_URL}
+              InstallerSha256: ${SHA}
+          ManifestType: installer
+          ManifestVersion: 1.12.0
+          EOF
+
+          git add "$MANIFEST_DIR"
+          git commit -m "${PACKAGE_ID} version ${VERSION}"
+          git push origin "$BRANCH"
+          
+          # 3. Open PR
+          gh pr create \
+            --repo microsoft/winget-pkgs \
+            --head "SamiAhmed7777:${BRANCH}" \
+            --base master \
+            --title "${PACKAGE_ID} version ${VERSION}" \
+            --body "Automated update of ${PACKAGE_ID} to v${VERSION}. Artifacts at ${INSTALLER_URL} (SHA256: ${SHA})."
+          
+          echo "✓ PR opened"
+
+      - name: ✓ Summary
+        if: always()
+        run: |
+          if [ -z "$WINGET_TOKEN" ]; then
+            echo "::notice::WinGet job skipped (WINGET_TOKEN not set)."
+          else
+            echo "::notice::WinGet PR opened."
+          fi
@@ -0,0 +1,109 @@
+name: Lint
+
+on:
+  pull_request:
+    branches: [master]
+  workflow_dispatch:
+
+# Diff-only enforcement: clang-format and clang-tidy run only on lines changed
+# in the PR. Existing files keep their current style until they're edited.
+# See .clang-format and .clang-tidy for the rule sets.
+
+jobs:
+  clang-format-diff:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          # Need merge-base with target branch to compute the diff.
+          fetch-depth: 0
+
+      - name: Install clang-format
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y clang-format-15
+          sudo ln -sf /usr/bin/clang-format-15 /usr/local/bin/clang-format
+
+      - name: Check format on changed lines
+        run: |
+          BASE_SHA=$(git merge-base origin/${{ github.base_ref }} HEAD)
+          echo "Comparing against merge-base: $BASE_SHA"
+
+          # git-clang-format prints a diff if any changed line violates style.
+          # --diff exits non-zero when reformatting would change something.
+          OUTPUT=$(git clang-format --diff "$BASE_SHA" -- '*.cpp' '*.h' '*.hpp' '*.cc' || true)
+
+          if [ -z "$OUTPUT" ] || [ "$OUTPUT" = "no modified files to format" ] || [ "$OUTPUT" = "clang-format did not modify any files" ]; then
+            echo "clang-format: clean"
+            exit 0
+          fi
+
+          echo "::error::clang-format wants to change the following on lines you touched."
+          echo "Run \`git clang-format $BASE_SHA\` locally and commit the result."
+          echo "$OUTPUT"
+          exit 1
+
+  clang-tidy-diff:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Install dependencies + clang-tidy
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y build-essential cmake ninja-build clang-tidy-15 \
+            libboost-all-dev libssl-dev libdb++-dev libleveldb-dev \
+            libevent-dev libminiupnpc-dev zlib1g-dev \
+            libsnappy-dev liblz4-dev libzstd-dev
+          sudo ln -sf /usr/bin/clang-tidy-15 /usr/local/bin/clang-tidy
+
+      - name: Build RocksDB from source
+        # Ubuntu 22.04's librocksdb-dev is 6.11.4 which CMakeLists.txt now
+        # refuses to configure against (need >= 7.4 for XXH3 per-block
+        # checksum). Build 8.9.1 from source — same version DNS2 ships —
+        # into /usr/local so CMake's find_library picks it up first.
+        run: sudo bash scripts/ci/build-rocksdb.sh
+
+      - name: Configure (export compile_commands.json)
+        run: |
+          cmake -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Debug \
+            -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+            -DBUILD_QT=OFF \
+            -DBUILD_DAEMON=ON \
+            -DBUILD_TESTS=ON \
+            -DUSE_UPNP=OFF
+
+      - name: Generate build artifacts that headers depend on
+        # build.h, qt UI headers, etc. — clang-tidy needs them to parse sources.
+        run: cmake --build build --target generate_build_info
+
+      - name: Run clang-tidy on changed lines
+        run: |
+          BASE_SHA=$(git merge-base origin/${{ github.base_ref }} HEAD)
+          echo "Comparing against merge-base: $BASE_SHA"
+
+          # clang-tidy-diff.py ships with clang-tidy; runs tidy only on changed lines.
+          DIFF_SCRIPT=$(dpkg -L clang-tidy-15 | grep clang-tidy-diff.py | head -1)
+          if [ -z "$DIFF_SCRIPT" ]; then
+            DIFF_SCRIPT=/usr/share/clang/clang-tidy-diff.py
+          fi
+          echo "Using: $DIFF_SCRIPT"
+
+          # -p1 strips the leading "a/"/"b/" from git diff paths.
+          # -path=build points clang-tidy at compile_commands.json.
+          # -iregex restricts to project sources (not vendored).
+          git diff -U0 "$BASE_SHA" -- 'src/*.cpp' 'src/*.h' \
+            ':(exclude)src/json/nlohmann_json.hpp' \
+            ':(exclude)src/leveldb/*' \
+            ':(exclude)src/lz4/*' \
+            ':(exclude)src/tor/tor-src/*' \
+            | python3 "$DIFF_SCRIPT" -p1 -path build \
+                -iregex '.*\.(cpp|cc|h|hpp)$' \
+                -j$(nproc) || EXIT=$?
+
+          # Warn-only initially. Flip this to `exit ${EXIT:-0}` once we're clean.
+          exit 0
@@ -0,0 +1,104 @@
+# trigger-tridock-rebuild.yml
+#
+# Triangles v5.9.24 — release → tridock rebuild dispatcher
+#
+# Purpose
+# -------
+# When a new Triangles release is published (e.g. v5.9.24) this workflow
+# fires a `repository_dispatch` event at the `samiahmed7777/tridock`
+# repository, which in turn triggers that repo's build-and-publish.yml to
+# bake the new Triangles binary into a fresh `samiahmed7777/tridock` image.
+#
+# Why this exists
+# ---------------
+# Before this workflow, tridock's Docker Hub `latest` tag only updated
+# when somebody manually edited the Dockerfile and pushed to master. That
+# made it easy to forget — DNS2 ran a 6-days-out-of-date image, and the
+# tridock-dev container ended up running v5.9.9 while DNS2 prod ran v5.9.23.
+# This workflow closes the gap: every Tri release auto-triggers a tridock
+# rebuild, and DNS2's self-hosted runner auto-deploys the result.
+#
+# Required GitHub Secrets / Vars on triangles_v5 repo
+# --------------------------------------------------
+# - TRIDOCK_DISPATCH_TOKEN: a GitHub PAT with `repo` scope on the
+#   samiahmed7777/tridock repository. NOT the same token as
+#   GITEA_SAMI_TOKEN / GITEA_DASHCADDY_TOKEN / DOCKERHUB_TOKEN.
+
+name: Trigger tridock rebuild on Tri release
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Override version (e.g. 5.9.24). Leave blank to use the published release tag.'
+        required: false
+        type: string
+
+permissions:
+  contents: read
+
+jobs:
+  dispatch:
+    name: Notify tridock repo
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+
+    steps:
+      - name: Resolve version
+        id: version
+        run: |
+          # On release:published, github.event.release.tag_name is like "v5.9.24"
+          # Strip the leading "v" so the dispatched payload uses "5.9.24"
+          if [ "${{ github.event_name }}" = "release" ]; then
+            TAG="${{ github.event.release.tag_name }}"
+            VERSION="${TAG#v}"
+          else
+            VERSION="${{ inputs.version }}"
+          fi
+          if [ -z "$VERSION" ]; then
+            echo "::error::Could not resolve a version (event=${{ github.event_name }}, tag=${{ github.event.release.tag_name }})"
+            exit 1
+          fi
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+          echo "Dispatching tridock rebuild for Triangles v$VERSION"
+
+      - name: Dispatch to samiahmed7777/tridock
+        run: |
+          curl -fsSL --max-time 30 \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${{ secrets.TRIDOCK_DISPATCH_TOKEN }}" \
+            -H "X-GitHub-Api-Version: 2022-11-28" \
+            -X POST \
+            https://api.github.com/repos/SamiAhmed7777/tridock/dispatches \
+            -d "{\"event_type\": \"tri-release-published\", \"client_payload\": {\"version\": \"${{ steps.version.outputs.version }}\", \"source_repo\": \"SamiAhmed7777/triangles_v5\", \"source_sha\": \"${{ github.sha }}\"}}"
+
+          # Verify the dispatch landed
+          RC=$?
+          if [ $RC -ne 0 ]; then
+            echo "::error::Failed to dispatch to tridock repo (curl exit=$RC)"
+            exit 1
+          fi
+          echo "Dispatch OK — tridock build-and-publish.yml will pick this up."
+
+      - name: Send Telegram alert
+        if: always()
+        continue-on-error: true
+        env:
+          TG_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
+          TG_CHAT: ${{ secrets.TELEGRAM_CHAT_ID }}
+        run: |
+          if [ -z "$TG_TOKEN" ] || [ -z "$TG_CHAT" ]; then
+            echo "Telegram secrets not set — skipping alert"
+            exit 0
+          fi
+          STATUS="${{ job.status }}"
+          VERSION="${{ steps.version.outputs.version }}"
+          MSG="Tri release v$VERSION → tridock dispatch: $STATUS"
+          curl -fsSL --max-time 10 \
+            "https://api.telegram.org/bot${TG_TOKEN}/sendMessage" \
+            -d "chat_id=${TG_CHAT}" \
+            -d "text=${MSG}" \
+            -d "parse_mode=HTML" \
+            > /dev/null || echo "Telegram send failed (non-fatal)"
@@ -0,0 +1,69 @@
+name: WinGet PR watchdog
+
+# Catches failing WinGet submissions within an hour of opening them.
+# Goal: don't leave "needs-author-feedback" or "PullRequest-Error" PRs
+# sitting open for days — moderators read sustained unfixed PRs as spam.
+#
+# Behaviour:
+# - Every 30 min, scan open SamiAhmed7777 PRs against microsoft/winget-pkgs
+# - For each one, look at recent wingetbot comments to detect validation result
+# - If validation FAILED, post a comment summarising the error, close the PR,
+#   and surface the failure on the workflow summary so it's easy to spot.
+
+on:
+  schedule:
+    - cron: '*/30 * * * *'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  watchdog:
+    name: Scan + auto-close failed WinGet PRs
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install gh CLI
+        run: |
+          which gh >/dev/null 2>&1 || (curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | sudo dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | sudo tee /etc/apt/sources.list.d/github-cli.list >/dev/null && sudo apt update && sudo apt install -y gh jq)
+
+      - name: Scan + auto-close
+        env:
+          GH_TOKEN: ${{ secrets.WINGET_TOKEN }}
+        run: |
+          set -e
+          if [ -z "$GH_TOKEN" ]; then
+            echo "::warning::WINGET_TOKEN not set — watchdog can scan but cannot close PRs."
+          fi
+          echo "Fetching open SamiAhmed7777 PRs against microsoft/winget-pkgs..."
+          PRS=$(gh api 'repos/microsoft/winget-pkgs/pulls?state=open&per_page=30' --jq '.[] | select(.user.login=="SamiAhmed7777") | "\(.number)|\(.head.ref)|\(.title)|\(.created_at)"')
+          if [ -z "$PRS" ]; then
+            echo "OK no open SamiAhmed7777 PRs."
+            exit 0
+          fi
+          echo "$PRS" | while IFS='|' read -r NUM BRANCH TITLE CREATED; do
+            echo ""
+            echo "--- PR #$NUM: $TITLE (branch $BRANCH, created $CREATED) ---"
+            LAST_VALIDATION=$(gh api "repos/microsoft/winget-pkgs/issues/$NUM/comments?per_page=20" --jq '[.[] | select(.user.login=="wingetbot" or .user.login=="stephengillie") | select(.body | test("Result: Failed|Invalid file|Automatic Validation ended"))] | first')
+            if [ -n "$LAST_VALIDATION" ]; then
+              echo "  X Validation FAILED detected."
+              SUMMARY=$(echo "$LAST_VALIDATION" | jq -r '.body' | head -40)
+              echo "  Summary:"
+              echo "$SUMMARY" | sed 's/^/    /'
+              if [ -n "$GH_TOKEN" ]; then
+                printf 'Auto-closing: automatic validation failed within the watchdog window.\n\n```\n%s\n```\n\nThe watchdog (winget-watchdog.yml) closed this PR so it does not sit in the moderator queue with a needs-author-feedback flag. Reopen after fixing the issue, or open a fresh PR for a known-good version.\n' "$SUMMARY" > /tmp/watchdog-comment.txt
+                gh api -X POST "repos/microsoft/winget-pkgs/issues/$NUM/comments" -f body=@/tmp/watchdog-comment.txt || echo "  (comment failed, continuing)"
+                gh api -X PATCH "repos/microsoft/winget-pkgs/pulls/$NUM" -f state=closed || echo "  (close failed, continuing)"
+                echo "  OK Closed PR #$NUM"
+                echo "::warning::Closed failing PR #$NUM -- $TITLE"
+              else
+                echo "  (no WINGET_TOKEN, skipping close)"
+              fi
+            elif gh api "repos/microsoft/winget-pkgs/issues/$NUM/comments?per_page=20" --jq '[.[] | select(.user.login=="wingetbot") | select(.body | test("Validation Pipeline Run"))] | first' | grep -q .; then
+              echo "  ? Validation has been triggered but no failure detected yet — leaving PR open."
+            else
+              echo "  ? No validation result yet — leaving PR open."
+            fi
+          done
@@ -1,3 +1,6 @@
+# Per-user Claude Code settings (machine-specific paths/permissions)
+.claude/
+
 # Build artifacts
 *.o
 *.exe
@@ -7,8 +10,12 @@
 *.a
 /dist/
 build/
+build2/
+build_*/
 release/
 debug/
+build_err*.txt
+*build_err.txt
 /Makefile
 Makefile.Debug
 Makefile.Release
@@ -24,6 +31,7 @@ ui_*.h
 qrc_*.cpp
 *.pro.user
 *.pro.user.*
+*.qm

 # Blockchain data
 *.dat
@@ -51,6 +59,7 @@ blocks/
 .*.json
 temp/
 tmp/
+testnet-sync/

 # Private/Local
 triangles.conf
@@ -58,6 +67,36 @@ triangles.conf
 *.key
 *.cert
 *.gpg
-*.o
 src/trianglesd
 src/obj/
+build-bench/
+build-cmake/
+build-cmake-test/
+build-latest/
+build-rocks-probe/
+build-rocksdb/
+bench-results.csv
+
+# Local build dirs (krystie)
+/build-*/
+/build/
+/bench-results.csv
+/build-rocks-probe/
+/build-rocksdb/
+/build-cmake/
+/build-cmake-test/
+/build-latest/
+/build-bench/
+/.qmake.stash
+
+# MinGW cross-compilation deps (local build environment)
+/deps-mingw/
+
+# Snapshot files
+*.utx
+
+# Merge artifacts
+*.orig
+
+# Dev patches
+*.patch
@@ -0,0 +1,9 @@
+[submodule "src/tor/tor-src"]
+	path = src/tor/tor-src
+	url = https://gitlab.torproject.org/tpo/core/tor.git
+[submodule "src/secp256k1"]
+	path = src/secp256k1
+	url = https://github.com/bitcoin-core/secp256k1
+[submodule "src/i2p/i2pd-src"]
+	path = src/i2p/i2pd-src
+	url = https://github.com/PurpleI2P/i2pd.git
@@ -0,0 +1,91 @@
+# Boost removal — progress
+
+Goal: drop the Boost dependency in favor of C++17 std. No consensus or wire
+behavior changes.
+
+## Done
+
+**Triangles' own code (daemon + GUI) is now completely Boost-free.** All nine
+translation units that used Boost have been migrated. The only remaining Boost
+usage in the tree is (1) the Boost.Test unit-test framework under `src/test/`,
+and (2) Boost as a *transitive link dependency of the bundled embedded i2pd
+router* (`libi2pd.a`) — not of any Triangles source. See "Remaining" below.
+
+| File | Boost removed | Replacement |
+|------|---------------|-------------|
+| `txdb-leveldb.cpp` | `boost/version.hpp` (unused include) | deleted |
+| `txdb-rocksdb.cpp` | `boost/version.hpp` (unused include) | deleted |
+| `walletdb.cpp` | `boost/version.hpp` + `BOOST_VERSION` guard | unconditional `std::filesystem` branch |
+| `util.cpp` | `boost::program_options` config-file parser + `to_internal` workaround | small C++17 INI parser in `ReadConfigFile` |
+| `init.cpp` | `boost::interprocess::file_lock` + `using namespace boost` | portable `LockDataDirectory()` (`flock` POSIX / `LockFileEx` Win32) |
+| `rpcdump.cpp` | `boost::posix_time` + `boost::gregorian` | `std::get_time` + `timegm`/`_mkgmtime` |
+
+`wallet.cpp` and `triangles-cli.cpp` only ever *mentioned* Boost in comments —
+no code change needed.
+
+### Behavior notes for review
+- **Config parser**: `name = value`; a line whose first non-whitespace char is
+  `#` is a comment; blank lines ignored; inline `#` is NOT a comment (so
+  `rpcpassword` may contain `#`). First value wins for single-valued settings;
+  `-name` keying and `nofoo=` negative-setting interpretation preserved.
+- **File lock**: exclusive, non-blocking; the fd/handle is held for process
+  lifetime and released by the OS on exit (matches the old file_lock lifetime).
+- **Dump time parser**: same five accepted formats, parsed as UTC.
+
+### CMake note
+`program_options` is no longer used by any source file and can be dropped from
+the `find_package(Boost ... COMPONENTS ...)` list once the remaining two files
+are migrated. It is left in place for now because removing it before the Asio
+migration provides no benefit and the component is harmless if installed.
+
+### RPC server (done — `trianglesrpc.cpp`)
+
+The JSON-RPC/HTTP server previously used `boost::asio` (async sockets +
+`boost::asio::ssl`), `boost::bind`, `boost::iostreams`,
+`boost::shared_ptr`/`weak_ptr`, and `boost::system::error_code`. It was
+rewritten onto **raw BSD sockets** behind a small `std::iostream`
+(`src/rpc_httpsocket.h`), preserving the thread-per-connection model so the
+HTTP parser, JSON-RPC dispatch, REST handler, and the blocking SSE handler are
+all unchanged.
+
+- New `src/rpc_httpsocket.h`: `CSocketIOStream` (a `std::iostream` over a
+  `SOCKET`), `ConnectRPCSocket()`, `BindRPCSockets()` (separate IPv4/IPv6
+  listeners, loopback unless `-rpcallowip`), `SockaddrToString()`.
+- `ThreadRPCServer2` now binds sockets and runs a `select()`-based accept loop
+  that spawns `ThreadRPCServer3` per connection.
+- `ClientAllowed` takes a numeric IP string.
+- `CallRPC` connects via a raw socket.
+- **`-rpcssl` is removed.** RPC TLS was a rarely used Asio::ssl feature; for
+  remote access, front the port with stunnel/nginx or reach it over SSH/Tor
+  (the same decision Bitcoin Core made). A warning is logged if `-rpcssl` is set.
+
+### Qt URI handler (done — `qt/qtipcserver.cpp`)
+
+The `triangles:` single-instance URI handoff used
+`boost::interprocess::message_queue` + `boost::posix_time`. Rewritten onto
+`QLocalServer` / `QLocalSocket` (QtNetwork), keeping the existing polling-thread
+model via the blocking `waitForNewConnection` / `waitForReadyRead` /
+`waitForConnected` methods (no Qt event loop required). `Qt5::Network` added to
+the Qt find_package and the `triangles-qt` link.
+
+### CMake
+- `Boost::program_options`, `Boost::thread`, `Boost::chrono` removed from the
+  `triangles_common` link — Triangles' own objects reference no Boost symbols.
+
+## Remaining
+
+Two things still pull Boost into the build; neither is Triangles source:
+
+1. **Embedded i2pd router.** When built with the embedded I2P router, the
+   bundled `libi2pd.a` / `libi2pdclient.a` link Boost
+   (`program_options`, `thread`, `chrono`, `filesystem`, `system`). The
+   i2pd-specific link block (and the top-level `find_package(Boost ...)`) are
+   therefore left intact. Fully dropping Boost from the build requires either a
+   Boost-free i2pd build or disabling the embedded router. This is an upstream
+   i2pd concern, not Triangles code.
+
+2. **Unit tests.** `src/test/*` use the Boost.Test framework
+   (`Boost::unit_test_framework`). Optional follow-up: port to a header-only
+   framework (e.g. Catch2/doctest) to remove the last first-party Boost use.
+
+When both are addressed, `find_package(Boost ...)` can be removed entirely.
@@ -1,94 +0,0 @@
-# Triangles Codebase Cleanup Notes
-
-## Overview
-Systematic code quality improvements for the Triangles cryptocurrency codebase (v5.3.4+).
-
-**Goal:** Improve maintainability without changing behavior or breaking consensus.
-
-## Inventory
-
-### TODOs/FIXMEs Found (38 total)
-
-#### High Priority (Affects Safety/Correctness)
- `rpcmining.cpp:263` - **Thread safety issue** in mapNewBlock (static variable, no mutex)
- `walletmodel.cpp:249` - **Potential collision** in balance calculation
- `smessage.cpp:863, 2219, 2373` - **File size limit** (files must be split if >2GB)
-
-#### Medium Priority (Encapsulation/Security)
- `protocol.h:50, 100, 132` - Public members should be private (3 locations)
- `wallet.h:378` - nOrderPos calculation should move elsewhere
- `wallet.cpp:733, 1732` - Change output handling needs improvement
- `rpcwallet.cpp:1474, 1513, 1569` - SecureString operator= missing (forced .c_str())
-
-#### Low Priority (Nice-to-Have)
- `util.cpp:1322` - Disabled feature needs verification
- `tor/tor_embedded.cpp:209` - Tor 0.4.9+ shutdown API upgrade
- `init.cpp:442` - Remaining sanity checks (see Bitcoin issue #4081)
- `rpcmining.cpp:232` - DRM comment (unclear what it means)
- `smessage.cpp:*` - Various improvements (hash inclusion, thread safety, defaults)
- `qt/*` - UI improvements (decrypt not supported, message filtering, OSX startup)
-
-#### External/Third-Party (Don't Touch)
- `leveldb/*` - LevelDB library TODOs (upstream issues)
-
-## Code Quality Issues
-
-### Using namespace std (37 files)
-All in .cpp files - **this is fine for .cpp**, problematic only in headers.
-No headers have this issue, so **no action needed**.
-
-### Printf/Cout Usage (56 files)
-Most cryptocurrency code uses printf for early init/error handling before logging is available.
-**Review needed:** Check if these are legitimate early-init cases or should use LogPrintf.
-
-## Cleanup Plan (Safest → Riskiest)
-
-### Phase 1: Documentation & Comments ✅ SAFE
-1. Document all TODOs with context (why deferred, what's needed)
-2. Add function-level comments for complex logic
-3. Improve inline comments for clarity
-
-### Phase 2: Low-Risk Code Quality 🟨 MEDIUM RISK
-4. Fix compiler warnings (-Wall -Wextra)
-5. Add const correctness where missing
-6. Remove commented-out dead code
-7. Standardize code formatting (if inconsistent)
-
-### Phase 3: Functional Improvements 🟥 HIGH RISK (Skip for now)
-8. Fix thread safety issue in rpcmining.cpp (requires testing)
-9. Improve protocol.h encapsulation (may affect other code)
-10. Address >2GB file handling in smessage.cpp
-
-## Decisions
-
-### What NOT to Change
- **Consensus code** - main.cpp (validation), kernel.cpp (PoS), miner.cpp (staking)
- **Serialization** - Any READWRITE, serialize/deserialize code
- **Protocol constants** - Network message types, version numbers
- **Third-party code** - leveldb/, tor/, sph_types.h, xxhash/, lz4/
-
-### What's Safe to Change
- Comments and documentation
- Variable names (in non-consensus code)
- Code organization (splitting large functions)
- Logging statements
- UI code (qt/)
- RPC interface (as long as API contract preserved)
-
-## Initial Cleanup (2026-03-22)
-
-### Actions Taken
-1. Created this documentation file
-2. Created cleanup/desloppify branch
-3. Inventoried all TODOs/FIXMEs
-
-### Next Steps
-1. Add documentation comments to TODO items
-2. Review printf/cout usage patterns
-3. Check for compiler warnings
-4. Consider low-risk improvements
-
-## Notes
- This is a Bitcoin-derived codebase, so many patterns follow Bitcoin Core conventions
- Recent v5.3.x work already modernized to C++17 and removed Boost - good foundation
- Code is generally well-structured; main improvements are documentation and minor cleanup
@@ -1,76 +0,0 @@
-# Triangles Cleanup Strategy - Safe Improvements
-
-**Branch:** `cleanup/safe-improvements`  
-**Goal:** Improve code quality without touching consensus-critical code
-
-## ✅ SAFE TO FIX
-
-### 1. Compiler Warnings (Non-Consensus)
- **C++11 literal-suffix warnings** - Add spaces between literals and suffixes
- **Unused variables/functions** - Remove dead code (verify not consensus-critical first)
- **Deprecated-copy warnings** - Fix CScript assignment operator if safe
-
-### 2. Code Style Improvements
- Remove `using namespace std` from headers (keep in .cpp files)
- Standardize logging patterns
- Improve code comments (remove unclear/misleading ones)
- Add context to TODOs/FIXMEs
-
-### 3. Documentation
- Add inline comments for thread safety concerns
- Document collision vulnerabilities
- Improve function/class documentation
-
-## ❌ DO NOT TOUCH
-
-### Consensus-Critical Code
- **OpenSSL SHA256/RIPEMD160 usage** - Deprecated warnings OK, do not change
- **BN_is_prime_ex** - Crypto library deprecation, leave as-is
- **Hash algorithms** - Third-party libraries with warnings, consensus-critical
- **Block validation logic** - Any code affecting block/transaction validation
- **Merkle tree construction** - Core consensus
- **Proof-of-Work/Proof-of-Stake** - Staking/mining algorithms
-
-### How to Identify Consensus Code
- Files in `src/` related to: `main.cpp`, `main.h`, block validation, transaction validation
- Anything in hash algorithm libraries
- Cryptographic primitives
- Network protocol message formats (version, serialization)
-
-## Incremental Testing Strategy
-
-1. **One warning category at a time**
-2. **Compile after each change**
-3. **Test basic functionality:**
-   - `trianglesd getinfo`
-   - `trianglesd getblockchaininfo`
-   - Verify block sync works
-4. **Commit incrementally** with clear messages
-
-## Warning Categories (From Build Output)
-
-```
-1. C++11 literal-suffix: ~20 instances (util.h, net.h, alert.cpp)
-2. OpenSSL deprecation: SHA256, RIPEMD160 (DO NOT FIX)
-3. BN_is_prime_ex: crypto library (DO NOT FIX)
-4. Deprecated-copy: CScript assignment (REVIEW CAREFULLY)
-5. Unused variables/functions: Various (SAFE IF NOT CONSENSUS)
-```
-
-## Branch History
-
- Previous work: `cleanup/desloppify` (documentation improvements, merged to master)
- This branch: Focus on safe compiler warnings and code quality
-
-## Verification Checklist
-
-Before pushing each commit:
- [ ] Code compiles successfully
- [ ] No new warnings introduced
- [ ] trianglesd runs without errors
- [ ] getinfo/getblockchaininfo work
- [ ] No consensus-critical code touched
-
---
-
-**Principle:** When in doubt, don't touch it. A clean codebase is worthless if the blockchain forks.
@@ -0,0 +1,294 @@
+cmake_minimum_required(VERSION 3.16)
+
+# Silence CMP0167 warning (FindBoost removed in CMake 3.30+, use BoostConfig)
+if(POLICY CMP0167)
+    cmake_policy(SET CMP0167 NEW)
+endif()
+
+project(Triangles
+    VERSION 6.0.0
+    DESCRIPTION "Cryptographic Triangles Wallet"
+    LANGUAGES C CXX
+)
+
+# ── C++ Standard ──
+# C++20 required: RocksDB headers in MSYS2/Homebrew (8.x+) use `using enum`
+# and defaulted operator== on user-defined types, both C++20-only.
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_C_STANDARD 11)
+
+# ── Build acceleration ──
+# ccache: auto-detect and use if available
+find_program(CCACHE_PROGRAM ccache)
+if(CCACHE_PROGRAM)
+    set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
+    set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
+    message(STATUS "ccache found: ${CCACHE_PROGRAM}")
+else()
+    message(STATUS "ccache not found — install it for faster rebuilds")
+endif()
+
+# Unity (jumbo) build: batch source files to reduce header parsing overhead
+option(ENABLE_UNITY_BUILD "Enable CMake unity (jumbo) builds" OFF)
+if(ENABLE_UNITY_BUILD)
+    set(CMAKE_UNITY_BUILD ON)
+    set(CMAKE_UNITY_BUILD_BATCH_SIZE 8)
+endif()
+
+# ── Output directories ──
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
+
+# ── Custom module path ──
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
+
+# ── User-facing options ──
+option(BUILD_QT           "Build triangles-qt (Qt5 GUI wallet)"              ON)
+option(BUILD_DAEMON       "Build trianglesd (headless daemon)"               ON)
+option(BUILD_CLI          "Build triangles-cli (JSON-RPC client)"            ON)
+option(BUILD_TESTS        "Build test_triangles (Boost.Test unit tests)"     ON)
+option(USE_UPNP           "Enable UPnP support via miniupnpc"               ON)
+option(USE_IPV6           "Enable IPv6 support"                              ON)
+option(USE_QRCODE         "Enable QR code generation via libqrencode"        OFF)
+option(USE_DBUS           "Enable D-Bus notifications (Linux only)"          ON)
+option(USE_ZMQ            "Enable ZMQ publisher support"                     OFF)
+# Triangles is Tor-native.  Tor is REQUIRED — disabling it at build time is
+# not a supported configuration.  The 2026-06-23 DNS2 clearnet-fork incident
+# (5+ days on a parallel chain because someone flipped -notor=1 for
+# troubleshooting and never reverted it) motivated this.  We keep the option
+# for legacy recovery workflows, but default it ON and abort the build if
+# anyone explicitly disables it.
+option(USE_TOR_EMBEDDED   "Enable embedded Tor library linking"              ON)
+if(DEFINED USE_TOR_EMBEDDED AND NOT USE_TOR_EMBEDDED)
+    message(FATAL_ERROR
+        "USE_TOR_EMBEDDED=OFF is not supported. Triangles is Tor-native. "
+        "If you need clearnet mode for bootstrap recovery, build with "
+        "USE_TOR_EMBEDDED=ON and pass -notor=1 -recovery-mode=1 at runtime "
+        "instead.")
+endif()
+option(USE_O3             "Use -O3 optimization instead of -O2"              OFF)
+option(ENABLE_PIE         "Build position-independent executables"           OFF)
+option(ENABLE_STATIC      "Prefer static linking (Linux release builds)"     OFF)
+
+# Embedded I2P (i2pd) — runs an I2P router in-process alongside Tor.
+# When enabled, Triangles supports dual-network anonymity: Tor (.onion) +
+# I2P (.b32.i2p). Disabled by default until seed nodes are deployed.
+option(USE_I2P_EMBEDDED   "Enable embedded I2P (i2pd) library linking"       OFF)
+set(I2P_SOURCE_ROOT   "" CACHE PATH "Path to i2pd source tree (for USE_I2P_EMBEDDED)")
+
+# Cache variables for custom dependency paths
+set(BDB_INCLUDE_PATH "" CACHE PATH "Path to Berkeley DB headers")
+set(BDB_LIB_PATH     "" CACHE PATH "Path to Berkeley DB libraries")
+set(EVENT_INCLUDE_PATH "" CACHE PATH "Path to libevent headers")
+set(EVENT_LIB_PATH     "" CACHE PATH "Path to libevent libraries")
+set(MINIUPNPC_INCLUDE_PATH "" CACHE PATH "Path to miniupnpc headers")
+set(MINIUPNPC_LIB_PATH     "" CACHE PATH "Path to miniupnpc libraries")
+set(TOR_SOURCE_ROOT   "" CACHE PATH "Path to Tor source tree (for USE_TOR_EMBEDDED)")
+
+# ── Compiler/linker flags ──
+include(AddCompilerFlags)
+
+# ── Find required dependencies ──
+find_package(OpenSSL REQUIRED)
+find_package(Boost 1.71 REQUIRED COMPONENTS
+    program_options thread chrono
+    OPTIONAL_COMPONENTS filesystem system
+)
+if(BUILD_TESTS)
+    find_package(Boost REQUIRED COMPONENTS unit_test_framework)
+endif()
+find_package(BerkeleyDB REQUIRED)
+find_package(Libevent REQUIRED)
+find_package(ZLIB REQUIRED)
+find_package(Threads REQUIRED)
+
+# ── Find optional dependencies ──
+if(USE_UPNP)
+    find_package(Miniupnpc REQUIRED)
+endif()
+
+if(USE_QRCODE)
+    find_package(QRencode REQUIRED)
+endif()
+
+if(USE_ZMQ)
+    find_package(PkgConfig REQUIRED)
+    pkg_check_modules(ZMQ REQUIRED IMPORTED_TARGET libzmq)
+endif()
+
+# RocksDB is now a hard dependency: backs both the chain database and the
+# secure-messaging store (smessage). Probe in order:
+#   1. CMake config package (MSYS2, Homebrew, vcpkg, recent Linux)
+#   2. pkg-config (some Linux distros, no .cmake files)
+#   3. Manual find_path/find_library (Ubuntu 22.04's librocksdb-dev ships
+#      neither a CMake config nor a .pc file)
+# In all paths, a target named RocksDB::rocksdb is exposed for consumers.
+find_package(RocksDB CONFIG QUIET)
+if(NOT RocksDB_FOUND)
+    find_package(PkgConfig QUIET)
+    if(PkgConfig_FOUND)
+        pkg_check_modules(RocksDB IMPORTED_TARGET QUIET rocksdb)
+    endif()
+endif()
+if(NOT TARGET RocksDB::rocksdb AND NOT TARGET PkgConfig::RocksDB)
+    find_path(ROCKSDB_INCLUDE_DIR
+        NAMES rocksdb/db.h
+        PATHS /usr/include /usr/local/include
+    )
+    find_library(ROCKSDB_LIBRARY
+        NAMES rocksdb
+        PATHS /usr/lib /usr/lib/x86_64-linux-gnu /usr/local/lib
+    )
+    if(NOT ROCKSDB_INCLUDE_DIR OR NOT ROCKSDB_LIBRARY)
+        message(FATAL_ERROR
+            "RocksDB not found. Install librocksdb-dev (Ubuntu/Debian), "
+            "rocksdb (Homebrew), or mingw-w64-x86_64-rocksdb (MSYS2).")
+    endif()
+    add_library(RocksDB::rocksdb UNKNOWN IMPORTED)
+    set_target_properties(RocksDB::rocksdb PROPERTIES
+        IMPORTED_LOCATION "${ROCKSDB_LIBRARY}"
+        INTERFACE_INCLUDE_DIRECTORIES "${ROCKSDB_INCLUDE_DIR}"
+    )
+    message(STATUS "Found RocksDB (manual probe): ${ROCKSDB_LIBRARY}")
+endif()
+
+# Modernization: SQLite3 for the new wallet DB backend.
+find_package(SQLite3 REQUIRED)
+
+# Triangles uses RocksDB features that only exist in 7.4+ (XXH3 per-block
+# checksum, type 4). Building against an older RocksDB produces a binary
+# whose smsgDB Open() fails on any SST file written by RocksDB 7.4+ —
+# instead of just bailing, src/smessage.cpp::SecMsgDB::Open now
+# quarantines the offending file and recovers. We still fail loudly at
+# configure time so this drift doesn't sneak back in unnoticed.
+
+# rocksdb/version.h ships with every RocksDB release (3.x onward) and
+# defines ROCKSDB_MAJOR / ROCKSDB_MINOR / ROCKSDB_PATCH. If neither
+# find_package nor pkg-config exposed RocksDB_VERSION (e.g. Ubuntu 22.04's
+# librocksdb-dev, which ships no CMake config and no .pc file), we can
+# still recover the version directly from the header. This closes the
+# "manual probe silently allows old RocksDB" gap that let v5.9.24 ship
+# linked to librocksdb 6.11.
+function(_tri_detect_rocksdb_version_from_header)
+    if(RocksDB_VERSION)
+        return()
+    endif()
+    foreach(_dir ${ARGN})
+        if(NOT IS_DIRECTORY "${_dir}")
+            continue()
+        endif()
+        set(_vh "${_dir}/rocksdb/version.h")
+        if(EXISTS "${_vh}")
+            file(STRINGS "${_vh}" _maj REGEX "^#define ROCKSDB_MAJOR ")
+            file(STRINGS "${_vh}" _min REGEX "^#define ROCKSDB_MINOR ")
+            file(STRINGS "${_vh}" _pat REGEX "^#define ROCKSDB_PATCH ")
+            if(_maj AND _min AND _pat)
+                string(REGEX MATCH "[0-9]+" _maj "${_maj}")
+                string(REGEX MATCH "[0-9]+" _min "${_min}")
+                string(REGEX MATCH "[0-9]+" _pat "${_pat}")
+                set(RocksDB_VERSION "${_maj}.${_min}.${_pat}")
+                set(RocksDB_VERSION "${_maj}.${_min}.${_pat}" PARENT_SCOPE)
+                message(STATUS "Detected RocksDB version from version.h: ${RocksDB_VERSION}")
+                return()
+            endif()
+        endif()
+    endforeach()
+endfunction()
+
+if(NOT RocksDB_VERSION AND TARGET RocksDB::rocksdb)
+    get_target_property(_rocksdb_inc RocksDB::rocksdb INTERFACE_INCLUDE_DIRECTORIES)
+    if(_rocksdb_inc)
+        _tri_detect_rocksdb_version_from_header(${_rocksdb_inc})
+    endif()
+endif()
+
+if(NOT RocksDB_VERSION AND ROCKSDB_INCLUDE_DIR)
+    _tri_detect_rocksdb_version_from_header(${ROCKSDB_INCLUDE_DIR})
+endif()
+
+if(RocksDB_VERSION AND RocksDB_VERSION VERSION_LESS "7.4.0")
+    message(FATAL_ERROR
+        "Triangles requires RocksDB >= 7.4.0 (got ${RocksDB_VERSION}). "
+        "Older versions cannot read smsgDB files written by RocksDB 7.4+ "
+        "(XXH3 per-block checksum). "
+        "On Debian/Ubuntu: install librocksdb-dev >= 7.4 from a backports "
+        "repo or build RocksDB from source into /usr/local.")
+elseif(NOT RocksDB_VERSION)
+    # No version detectable: headers missing entirely, or ROCKSDB_INCLUDE_DIR
+    # not pointing at one with rocksdb/version.h. Runtime fallback in
+    # SecMsgDB::Open covers the gap; print WARNING so build logs flag it.
+    message(WARNING
+        "Could not determine RocksDB version (no CMake config, no "
+        "pkg-config metadata, and no rocksdb/version.h found). "
+        "Triangles prefers RocksDB >= 7.4.0; older versions are recovered "
+        "at runtime via SecMsgDB::Open's quarantine fallback.")
+endif()
+
+# libsecp256k1 — vendored as a git submodule under src/secp256k1. Provides
+# ECDSA signing/verification, pubkey recovery (via the recovery module), and
+# ECDH for secure messaging. Configure the submodule's build for our needs:
+# only ECDH + recovery, none of the test/benchmark/extra-module bloat, and
+# don't install (we link statically against the in-tree target).
+if(NOT EXISTS "${CMAKE_SOURCE_DIR}/src/secp256k1/CMakeLists.txt")
+    message(FATAL_ERROR
+        "src/secp256k1 is empty. Run: git submodule update --init --recursive")
+endif()
+set(SECP256K1_DISABLE_SHARED            ON  CACHE INTERNAL "")
+set(SECP256K1_INSTALL                   OFF CACHE INTERNAL "")
+set(SECP256K1_BUILD_BENCHMARK           OFF CACHE INTERNAL "")
+set(SECP256K1_BUILD_TESTS               OFF CACHE INTERNAL "")
+set(SECP256K1_BUILD_EXHAUSTIVE_TESTS    OFF CACHE INTERNAL "")
+set(SECP256K1_BUILD_CTIME_TESTS         OFF CACHE INTERNAL "")
+set(SECP256K1_BUILD_EXAMPLES            OFF CACHE INTERNAL "")
+set(SECP256K1_ENABLE_MODULE_ECDH        ON  CACHE INTERNAL "")
+set(SECP256K1_ENABLE_MODULE_RECOVERY    ON  CACHE INTERNAL "")
+set(SECP256K1_ENABLE_MODULE_EXTRAKEYS   OFF CACHE INTERNAL "")
+set(SECP256K1_ENABLE_MODULE_SCHNORRSIG  OFF CACHE INTERNAL "")
+set(SECP256K1_ENABLE_MODULE_MUSIG       OFF CACHE INTERNAL "")
+set(SECP256K1_ENABLE_MODULE_ELLSWIFT    OFF CACHE INTERNAL "")
+add_subdirectory(src/secp256k1 EXCLUDE_FROM_ALL)
+
+if(BUILD_QT)
+    find_package(Qt5 5.9 REQUIRED COMPONENTS Core Gui Widgets Network)
+    find_package(Qt5 COMPONENTS LinguistTools QUIET)
+    if(USE_DBUS AND UNIX AND NOT APPLE)
+        find_package(Qt5 COMPONENTS DBus QUIET)
+        if(NOT Qt5DBus_FOUND)
+            message(STATUS "Qt5 DBus not found -- disabling D-Bus notifications")
+            set(USE_DBUS OFF CACHE BOOL "" FORCE)
+        endif()
+    else()
+        set(USE_DBUS OFF CACHE BOOL "" FORCE)
+    endif()
+endif()
+
+# ── Build bundled LevelDB ──
+include(BuildLevelDB)
+
+# ── Generate build.h from git describe ──
+include(GenerateBuildInfo)
+
+# ── Descend into source tree ──
+add_subdirectory(src)
+
+# ── Configuration summary ──
+message(STATUS "")
+message(STATUS "Triangles ${PROJECT_VERSION} build configuration:")
+message(STATUS "  Build Qt GUI:       ${BUILD_QT}")
+message(STATUS "  Build daemon:       ${BUILD_DAEMON}")
+message(STATUS "  Build CLI:          ${BUILD_CLI}")
+message(STATUS "  Build tests:        ${BUILD_TESTS}")
+message(STATUS "  UPnP:               ${USE_UPNP}")
+message(STATUS "  IPv6:               ${USE_IPV6}")
+message(STATUS "  QR code:            ${USE_QRCODE}")
+message(STATUS "  D-Bus:              ${USE_DBUS}")
+message(STATUS "  ZMQ:                ${USE_ZMQ}")
+message(STATUS "  Embedded Tor:       ${USE_TOR_EMBEDDED}")
+message(STATUS "  Embedded I2P:       ${USE_I2P_EMBEDDED}")
+message(STATUS "  Static linking:     ${ENABLE_STATIC}")
+message(STATUS "  ccache:             ${CCACHE_PROGRAM}")
+message(STATUS "  Unity build:        ${ENABLE_UNITY_BUILD}")
+message(STATUS "  Precompiled header: ON")
+message(STATUS "")
@@ -1,220 +0,0 @@
-# Embedded Tor Integration Guide for Triangles
-
-This guide explains how to compile Tor as a static library (`libtor.a`) and link
-it directly into the Triangles wallet binary so that every node automatically
-runs a Tor hidden service without needing an external Tor installation.
-
-## Architecture Overview
-
-```
-trianglesd / triangles-qt
-  ├── tor_embedded.cpp    ← calls tor_run_main() in a background thread
-  ├── tor_process.cpp     ← fallback: launches external tor binary (already works)
-  ├── onion_v3.cpp        ← V3 onion address generation / SOCKS5 proxy logic
-  └── libtor.a            ← aggregate static Tor library (built from official source)
-```
-
-When compiled with `ENABLE_TOR_EMBEDDED`, the wallet calls `tor_run_main()` from
-`tor_api.h` on a dedicated thread. This gives the wallet a SOCKS5 proxy on
-`127.0.0.1:19099` and a V3 hidden service on port 24112 (the P2P port).
-
-When compiled **without** the flag, `tor_embedded.cpp` falls back to the external
-`tor_process.cpp` which searches for and launches a system `tor` binary.
-
-## Step 1: Add Tor as a Git Submodule
-
-```bash
-cd /path/to/triangles
-git submodule add https://gitlab.torproject.org/tpo/core/tor.git src/tor/tor-src
-cd src/tor/tor-src
-git checkout release-0.4.9   # latest stable branch as of 2026
-```
-
-This puts the full Tor source at `src/tor/tor-src/`.
-Current imported checkout in this repo: `release-0.4.9` at commit `1442ca4`.
-There is also a helper build script at `src/tor/build-libtor.sh`.
-
-## Step 2: Build libtor.a
-
-Tor uses autotools. Build it as a static library:
-
-```bash
-cd src/tor/tor-src
-
-# Install Tor build dependencies
-sudo apt install autoconf automake libtool pkg-config \
-    libssl-dev libevent-dev zlib1g-dev
-
-# Generate configure script
-./autogen.sh
-
-# Configure for static library build (disable unneeded modules)
-./configure \
-    --enable-static-tor \
-    --disable-module-relay \
-    --disable-module-dirauth \
-    --disable-asciidoc \
-    --disable-manpage \
-    --disable-html-manual \
-    --disable-unittests \
-    --disable-tool-name-check \
-    --with-openssl-dir=/usr \
-    --with-libevent-dir=/usr \
-    --with-zlib-dir=/usr \
-    --prefix=/usr/local
-
-make -j$(nproc)
-```
-
-Or from the repo root:
-```bash
-./src/tor/build-libtor.sh
-```
-
-After building, the static libraries are in `src/tor/tor-src/`:
- `libtor.a`
- `src/lib/libtor-*.a` (multiple component libs)
-
-The header `src/feature/api/tor_api.h` provides the public C API:
-```c
-tor_main_configuration_t *tor_main_configuration_new(void);
-int tor_main_configuration_set_command_line(tor_main_configuration_t *cfg,
-                                             int argc, char *argv[]);
-int tor_run_main(const tor_main_configuration_t *);
-void tor_main_configuration_free(tor_main_configuration_t *);
-```
-
-## Step 3: Build Triangles with Embedded Tor
-
-### Linux (makefile.unix)
-
-```bash
-cd src
-
-# Point to Tor's built libraries and headers
-make -f makefile.unix \
-    USE_TOR_EMBEDDED=1
-```
-
-You may need to adjust the `-l` flags in the makefile depending on the exact
-library names Tor produces. Check `src/tor/tor-src/` after building:
-
-```bash
-find tor/tor-src -name '*.a' | sort
-```
-
-On the imported `release-0.4.9` checkout in this repo, the simplest working
-link path is the aggregate `libtor.a` plus the normal dependency libraries.
-
-### Windows (triangles-qt.pro)
-
-Add to `triangles-qt.pro`:
-```qmake
-qmake "USE_TOR_EMBEDDED=1" \
-      "TOR_SOURCE_ROOT=src/tor/tor-src"
-```
-
-Both build systems now default to:
- source root: `src/tor/tor-src`
- include path: `src/tor/tor-src/src/feature/api`
- library path: `src/tor/tor-src`
- embedded Tor library: `-ltor`
-
-On Windows, the imported Tor `0.4.9.5` build also needed:
- `-llzma`
- `-lzstd`
- `-liphlpapi`
- `-lshlwapi` (already linked by Triangles)
-
-## Step 4: Wire into init.cpp
-
-The global hooks `StartEmbeddedTor()` and `StopEmbeddedTor()` need to be called
-from `init.cpp`. Add these calls:
-
-### In AppInit2() (after network init, before starting node):
-```cpp
-#include "tor/tor_embedded.h"
-
-// Near the end of AppInit2, after network initialization:
-if (!StartEmbeddedTor()) {
-    printf("WARNING: Embedded Tor failed to start. .onion connectivity unavailable.\n");
-    // Non-fatal: wallet works without Tor, just no .onion
-}
-```
-
-### In Shutdown():
-```cpp
-StopEmbeddedTor();
-```
-
-## Step 5: Configure SOCKS Proxy for Outbound Connections
-
-After Tor starts, the wallet needs to route `.onion` connections through the
-SOCKS5 proxy. In `net.cpp`, after Tor is initialized:
-
-```cpp
-// If embedded Tor is running, use its SOCKS proxy for .onion addresses
-CTorEmbedded* tor = CTorEmbedded::GetInstance();
-if (tor->IsRunning()) {
-    // Set proxy for .onion connections
-    proxyType addrProxy(CService("127.0.0.1", tor->GetSocksPort()), 5);
-    SetNameProxy(addrProxy);
-}
-```
-
-## Runtime Flags
-
-The embedded Tor respects these command-line flags:
-
-| Flag | Default | Description |
-|------|---------|-------------|
-| `-notor` | false | Disable Tor entirely |
-| `-torsocks=PORT` | 19099 | SOCKS5 proxy port |
-| `-torhsport=PORT` | 24112 | Hidden service virtual port |
-
-## File Layout After Integration
-
-```
-src/tor/
-├── tor-src/             ← git submodule (official Tor repo)
-│   └── src/
-│       ├── lib/libtor-*.a
-│       └── feature/api/tor_api.h
-│   └── libtor.a
-├── tor_embedded.h       ← CTorEmbedded class header
-├── tor_embedded.cpp     ← implementation (calls tor_run_main)
-├── tor_process.h        ← external Tor process manager (fallback)
-├── tor_process.cpp
-├── onion_v3.h           ← V3 onion address utilities
-├── onion_v3.cpp
-├── anonymize.h          ← data dir helpers
-├── anonymize.cpp
-└── LICENSE
-```
-
-## Reference: How VERGE (XVG) Does It
-
-VERGE uses the same pattern. Their implementation is at:
- `src/torcontroller.cpp` (~100 lines)
- They use `tor_main()` (older API, pre-0.4.5)
- Git submodule at `src/tor/` pointing to `release-0.4.8` branch
- Build Tor as part of their `depends/` system
-
-Key difference: modern Tor (0.4.5+) uses `tor_run_main()` with a configuration
-object instead of raw `tor_main(int argc, char** argv)`.
-
-## Troubleshooting
-
-**Tor fails to bootstrap**: Check firewall rules. Tor needs outbound TCP to the
-Tor network (ports 80, 443, 9001, 9030).
-
-**Link errors with libtor**: Prefer the aggregate `libtor.a` from the top level
-of the Tor build tree. On the imported Windows/MSYS2 build in this repo, the
-minimal verified link set was:
-```
-ltor -levent -lssl -lcrypto -lz -llzma -lzstd -lws2_32 -liphlpapi -lshlwapi
-```
-
-**OpenSSL version mismatch**: Both Tor and Triangles must link against the same
-OpenSSL version (3.x). If Tor was built against a different OpenSSL, rebuild it
-with the same `--with-openssl-dir`.
@@ -2,7 +2,7 @@ FROM ubuntu:22.04

 LABEL maintainer="Cryptographic Triangles Team"
 LABEL description="Cryptographic Triangles (TRI) headless daemon"
-LABEL version="5.1.5"
+LABEL version="6.1.0"

 RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates \
@@ -19,8 +19,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
    tor \
    && rm -rf /var/lib/apt/lists/*

+ARG VERSION=5.7.6
 RUN curl -L -o /usr/local/bin/trianglesd \
-    https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.1.5/trianglesd-linux \
+    https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/Cryptographic-Triangles-v${VERSION}-linux-x64-daemon \
    && chmod +x /usr/local/bin/trianglesd

 RUN useradd -m -s /bin/bash triangles
@@ -0,0 +1,237 @@
+# I2P Embedded Architecture (Level 3)
+
+**Date:** 2026-06-27  
+**Status:** ✅ IMPLEMENTED & WORKING
+
+---
+
+## What This Is
+
+Triangles now runs **two embedded anonymity networks simultaneously**:
+
+1. **Tor** — Every node is a .onion hidden service (existing, unchanged)
+2. **I2P** — Every node is a .b32.i2p destination (new)
+
+Both routers run **in-process** as static libraries. No external dependencies, no separate daemons to install.
+
+### What I2P Adds Over Tor-Only
+
+| Property | Tor | I2P |
+|----------|-----|-----|
+| Routing | Onion (3-hop circuits) | Garlic (variable-hop tunnels) |
+| Directory | Centralized authorities | Distributed floodfills |
+| Service discovery | Hidden service descriptors | Network database (KadDHT) |
+| Designed for | Exit to clearnet | Peer-to-peer services |
+| Peer correlation resistance | Moderate | Strong (ephemeral tunnels) |
+
+I2P was designed from the ground up for **peer-to-peer anonymous services** — exactly what a cryptocurrency P2P network needs. Tor's hidden services work, but Tor is optimized for anonymous web browsing (exit traffic). I2P's garlic routing, distributed network database, and short-lived tunnels make it inherently better suited for P2P mesh communication.
+
+---
+
+## Architecture
+
+### Dual-Network Routing
+
+```
+                    ┌─────────────────────────────────┐
+                    │       trianglesd (process)       │
+                    │                                  │
+                    │  ┌─────────┐    ┌─────────┐     │
+                    │  │ libtor  │    │ libi2pd │     │
+                    │  │ (Tor)   │    │ (I2P)   │     │
+                    │  └────┬────┘    └────┬────┘     │
+                    │       │              │          │
+  .onion peers ─────┼───────┘              │          │
+                    │     SOCKS 19099      │          │
+                    │                      │          │
+  .b32.i2p peers ───┼──────────────────────┘          │
+                    │     SOCKS 19100                 │
+                    └─────────────────────────────────┘
+```
+
+### Traffic Flow
+
+| Destination | Route | Proxy |
+|-------------|-------|-------|
+| `*.onion` | Tor SOCKS5 → Tor circuit → hidden service | 127.0.0.1:19099 |
+| `*.b32.i2p` | I2P SOCKS5 → I2P tunnel → destination | 127.0.0.1:19100 |
+| Clearnet (IPv4/IPv6) | **BLOCKED** | — |
+
+The routing decision happens in `ConnectSocketByName()` (netbase.cpp):
+- `.b32.i2p` suffix → I2P SOCKS proxy (NET_I2P)
+- Everything else → Tor name proxy (SetNameProxy)
+
+---
+
+## Implementation
+
+### Files Added
+
+```
+src/i2p/
+├── i2pd-src/              # PurpleI2P/i2pd git submodule
+├── i2p_embedded.h         # CI2PEmbedded class declaration
+├── i2p_embedded.cpp       # Embedded router start/stop logic
+├── i2pseed.h              # Hardcoded .b32.i2p seed nodes
+└── build-libi2pd.sh       # Static library build script
+```
+
+### Files Modified
+
+| File | Change |
+|------|--------|
+| `CMakeLists.txt` | `USE_I2P_EMBEDDED` option + config summary |
+| `src/CMakeLists.txt` | I2P source, includes, library linking |
+| `src/init.cpp` | I2P startup (after Tor), shutdown, CLI flags |
+| `src/net.cpp` | Allow `.b32.i2p` in `ConnectNode()` and seed parser |
+| `src/netbase.cpp` | I2P SOCKS routing, fixed `.b32.i2p` address parsing |
+
+### CI2PEmbedded Class
+
+Singleton pattern (mirrors `CTorEmbedded`):
+
+```cpp
+class CI2PEmbedded {
+    bool Start(int socksPort, int samPort, int serverPort);
+    void Stop();
+    bool IsRunning() const;
+    std::string GetSocksProxy() const;    // "127.0.0.1:19100"
+    std::string GetI2PAddress() const;     // .b32.i2p destination
+};
+```
+
+### Startup Sequence (init.cpp)
+
+```
+1. StartEmbeddedTor()          → Tor SOCKS on 19099
+2. TOR-NATIVE MODE             → all traffic forced through Tor
+3. StartEmbeddedI2P()          → i2pd SOCKS on 19100
+4. I2P-NATIVE MODE             → .b32.i2p routed through i2pd
+5. Dual-network anonymity      → Tor + I2P co-equal
+```
+
+If I2P fails to start, the daemon continues in Tor-only mode (non-fatal).
+
+### How i2pd Integrates
+
+i2pd provides a C++ API (`libi2pd/api.h`) for in-process embedding:
+
+```cpp
+i2p::api::InitI2P(argc, argv, "triangles-i2pd");
+i2p::api::StartI2P(logStream);
+i2p::client::context.Start();  // SAM, SOCKS, tunnels
+```
+
+The auto-generated `i2pd.conf` enables:
+- SOCKS proxy on 19100 (for outbound .b32.i2p)
+- SAM bridge on 7656 (for future SAM v3 protocol)
+- Server tunnel in `tunnels.conf` (I2P hidden service)
+
+The `tunnels.conf` is written before `Start()`:
+```ini
+[triangles-p2p]
+type = server
+host = 127.0.0.1
+port = <P2P_PORT>
+keys = triangles-p2p-keys.dat
+inbound.length = 3
+outbound.length = 3
+```
+
+This creates a persistent `.b32.i2p` destination that survives restarts.
+
+---
+
+## Build Instructions
+
+### Prerequisites
+
+Same as existing Tor build + Boost (already required).
+
+### Build with I2P
+
+```bash
+# 1. Initialize the i2pd submodule
+git submodule update --init --recursive src/i2p/i2pd-src
+
+# 2. Build i2pd static libraries
+cd src/i2p && bash build-libi2pd.sh
+
+# 3. Configure and build Triangles
+mkdir build && cd build
+cmake -G Ninja -DUSE_I2P_EMBEDDED=ON ..
+ninja trianglesd
+```
+
+### Build without I2P (Tor-only, existing behavior)
+
+```bash
+cmake -G Ninja ..          # USE_I2P_EMBEDDED defaults to OFF
+ninja trianglesd
+```
+
+---
+
+## CLI Flags
+
+| Flag | Default | Description |
+|------|---------|-------------|
+| `-i2p` | `1` | Enable embedded I2P router |
+| `-i2psocks=<port>` | `19100` | I2P SOCKS proxy port |
+| `-i2psam=<port>` | `7656` | I2P SAM bridge port |
+| `-i2phsport=<port>` | P2P port | I2P server tunnel forward port |
+
+---
+
+## Testing Verification
+
+### Expected Startup Output
+
+```
+Embedded I2P: starting i2pd router...
+Embedded I2P: server tunnel configured on port 24112
+...
+Clients: New private keys file .../triangles-p2p-keys.dat for <b32>.b32.i2p created
+Clients: 1 I2P server tunnels created
+Embedded I2P: SOCKS proxy at 127.0.0.1:19100, SAM at 127.0.0.1:7656
+...
+I2P-NATIVE MODE: I2P router running
+  SOCKS proxy at 127.0.0.1:19100 for .b32.i2p connections
+  Dual-network anonymity: Tor (.onion) + I2P (.b32.i2p)
+```
+
+---
+
+## Seed Node Deployment
+
+To deploy an I2P seed node:
+
+1. Build with `-DUSE_I2P_EMBEDDED=ON`
+2. Start the daemon — it auto-generates a `.b32.i2p` destination
+3. Read the address from the log: `grep "b32.i2p" debug.log`
+4. Add the address to `src/i2p/i2pseed.h`
+5. Add the address to `seeds.cryptographic-triangles.org/i2p-seeds.txt`
+
+The destination keys persist in `<datadir>/i2p_data/triangles-p2p-keys.dat`.
+
+---
+
+## Comparison to Other Projects
+
+| Project | Tor | I2P | Embedded | Dual-Network |
+|---------|-----|-----|----------|-------------|
+| **Triangles** | ✅ Embedded | ✅ Embedded | Both in-process | ✅ |
+| Bitcoin Core | Optional | Optional (SAM) | No | No |
+| Monero | Optional | No | No | No |
+| Kovri (Monero I2P) | N/A | Planned | Planned | No |
+
+Triangles is the only cryptocurrency with **both** Tor and I2P embedded as in-process routers.
+
+---
+
+## Future Work
+
+- **I2P seed nodes:** Deploy stable .b32.i2p seeds (parallel to onion seeds)
+- **SAM v3 direct:** Use SAM bridge for native I2P streaming (bypass SOCKS overhead)
+- **I2P address in RPC:** Expose `.b32.i2p` address via `getnetworkinfo`
+- **Cross-network bridging:** Allow Tor nodes to discover I2P peers and vice versa
@@ -1,284 +0,0 @@
-#############################################################################
-# Makefile for building: triangles-qt
-# Generated by qmake (3.1) (Qt 5.15.18)
-# Project:  triangles-qt.pro
-# Template: app
-# Command: C:/msys64/mingw64/bin/qmake-qt5.exe -o Makefile triangles-qt.pro
-#############################################################################
-
-MAKEFILE      = Makefile
-
-EQ            = =
-
-first: release
-install: release-install
-uninstall: release-uninstall
-QMAKE         = C:/msys64/mingw64/bin/qmake-qt5.exe
-DEL_FILE      = rm -f
-CHK_DIR_EXISTS= test -d
-MKDIR         = mkdir -p
-COPY          = cp -f
-COPY_FILE     = cp -f
-COPY_DIR      = cp -f -R
-INSTALL_FILE  = cp -f
-INSTALL_PROGRAM = cp -f
-INSTALL_DIR   = cp -f -R
-QINSTALL      = C:/msys64/mingw64/bin/qmake-qt5.exe -install qinstall
-QINSTALL_PROGRAM = C:/msys64/mingw64/bin/qmake-qt5.exe -install qinstall -exe
-DEL_FILE      = rm -f
-SYMLINK       = $(QMAKE) -install ln -f -s
-DEL_DIR       = rmdir
-MOVE          = mv -f
-IDC           = idc
-IDL           = widl
-ZIP           = 
-DEF_FILE      = 
-RES_FILE      = build/triangles-qt_res.o
-SED           = sed
-MOVE          = mv -f
-SUBTARGETS    =  \
-		release \
-		debug
-
-
-release: FORCE
-	$(MAKE) -f $(MAKEFILE).Release
-release-make_first: FORCE
-	$(MAKE) -f $(MAKEFILE).Release 
-release-all: FORCE
-	$(MAKE) -f $(MAKEFILE).Release all
-release-clean: FORCE
-	$(MAKE) -f $(MAKEFILE).Release clean
-release-distclean: FORCE
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-release-install: FORCE
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-release-uninstall: FORCE
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-debug: FORCE
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-debug-all: FORCE
-	$(MAKE) -f $(MAKEFILE).Debug all
-debug-clean: FORCE
-	$(MAKE) -f $(MAKEFILE).Debug clean
-debug-distclean: FORCE
-	$(MAKE) -f $(MAKEFILE).Debug distclean
-debug-install: FORCE
-	$(MAKE) -f $(MAKEFILE).Debug install
-debug-uninstall: FORCE
-	$(MAKE) -f $(MAKEFILE).Debug uninstall
-
-Makefile: triangles-qt.pro C:/msys64/mingw64/share/qt5/mkspecs/win32-g++/qmake.conf C:/msys64/mingw64/share/qt5/mkspecs/features/spec_pre.prf \
-		C:/msys64/mingw64/share/qt5/mkspecs/qdevice.pri \
-		C:/msys64/mingw64/share/qt5/mkspecs/features/device_config.prf \
-		C:/msys64/mingw64/share/qt5/mkspecs/common/sanitize.conf \
-		C:/msys64/mingw64/share/qt5/mkspecs/common/gcc-base.conf \
-		C:/msys64/mingw64/share/qt5/mkspecs/common/g++-base.conf \
-		C:/msys64/mingw64/share/qt5/mkspecs/common/angle.conf \
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-		.qmake.stash \
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-		src/qt/triangles.qrc
-	$(QMAKE) -o Makefile triangles-qt.pro
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-C:/msys64/mingw64/share/qt5/mkspecs/common/windows-vulkan.conf:
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-C:/msys64/mingw64/share/qt5/mkspecs/common/windows-desktop.conf:
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-.qmake.stash:
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-triangles-qt.pro:
-C:/msys64/mingw64/lib/qtmain.prl:
-C:/msys64/mingw64/share/qt5/mkspecs/features/build_pass.prf:
-src/qt/triangles.qrc:
-qmake: FORCE
-	@$(QMAKE) -o Makefile triangles-qt.pro
-
-qmake_all: FORCE
-
-make_first: release-make_first debug-make_first  FORCE
-all: release-all debug-all  FORCE
-clean: release-clean debug-clean  FORCE
-	-$(DEL_FILE) E:/repos/triangles/src/leveldb/libleveldb.a;
-	-$(DEL_FILE) cd
-	-$(DEL_FILE) E:/repos/triangles/src/leveldb
-	-$(DEL_FILE) ;
-	-$(DEL_FILE) clean
-distclean: release-distclean debug-distclean  FORCE
-	-$(DEL_FILE) Makefile
-	-$(DEL_FILE) .qmake.stash
-
-E:/repos/triangles/src/leveldb/libleveldb.a: FORCE
-	cd E:/repos/triangles/src/leveldb && CC=gcc CXX=g++ TARGET_OS=OS_WINDOWS_CROSSCOMPILE $(MAKE) OPT="-fno-keep-inline-dllexport -march=nocona -msahf -mtune=generic -Wa,-mbig-obj -O2" libleveldb.a libmemenv.a && ranlib E:/repos/triangles/src/leveldb/libleveldb.a && ranlib E:/repos/triangles/src/leveldb/libmemenv.a
-
-release-mocclean:
-	$(MAKE) -f $(MAKEFILE).Release mocclean
-debug-mocclean:
-	$(MAKE) -f $(MAKEFILE).Debug mocclean
-mocclean: release-mocclean debug-mocclean
-
-release-mocables:
-	$(MAKE) -f $(MAKEFILE).Release mocables
-debug-mocables:
-	$(MAKE) -f $(MAKEFILE).Debug mocables
-mocables: release-mocables debug-mocables
-
-check: first
-
-benchmark: first
-FORCE:
-
-$(MAKEFILE).Release: Makefile
-$(MAKEFILE).Debug: Makefile
@@ -1,230 +1,272 @@
-# Cryptographic Triangles (TRI) - v5.1.5
-
-Triangles is a privacy-focused cryptocurrency featuring Proof-of-Stake consensus, Tor v3 onion routing, and built-in encrypted messaging. Originally launched in July 2014, the chain was revived in March 2026 after being frozen since December 2022.
-
-## Key Features
-
- **Proof-of-Stake** - Energy-efficient block production with 33% annual staking rewards (coin-age based)
- **Hash9 Algorithm** - Unique 13-step hash cascade (Fugue, Hamsi, Groestl, Blake, BMW, Skein, Keccak, Shavite, JH, Luffa, Cubehash, Echo, SIMD)
- **Encrypted Messaging** - Send and receive encrypted messages directly through the wallet
- **Tor v3 Integration** - Connect and transact over the Tor network with v3 onion hidden services
- **120-second Block Time** - Fast confirmations with 2-minute target spacing
-
-## Specifications
-
-| Property | Value |
-|----------|-------|
-| Algorithm | Hash9 (PoW blocks 0-9000), PoS from block 9001 |
-| Block Time | ~120 seconds |
-| Max Supply | 222,222 TRI |
-| PoS Reward | 33% annual, coin-age based |
-| P2P Port | 24112 |
-| RPC Port | 19112 |
-| Protocol | 70205 |
-
-## Network Status
-
-The Triangles network is live with seed nodes operating on both clearnet and Tor:
-
-**Clearnet Seeds:**
- `194.233.88.206:24112`
- `74.208.167.19:24112`
-
-**Tor v3 Seeds:**
- `gxvrhv3qitnc6kobrhsrse46bmcfitnybapor3or3oczzuxn6hfzxyid.onion:24112`
- `futmtrvh6j34t7s6yjdxfia6iwuyfzwh4k5eqfof5kfhoqk3xmi3qoqd.onion:24112`
-
-**DNS Seeds:**
- `seed1.cryptographic-triangles.org`
- `seed2.cryptographic-triangles.org`
-
-## Building from Source
-
-### Linux (Ubuntu 24.04 / Debian 12+)
-
-Install dependencies:
-```bash
-sudo apt-get install -y build-essential libboost-all-dev libssl-dev \
-    libdb5.3++-dev libevent-dev zlib1g-dev libminiupnpc-dev
-```
-
-Build the daemon:
-```bash
-cd src/leveldb && make libleveldb.a libmemenv.a && cd ..
-make -j$(nproc) -f makefile.unix USE_UPNP=0
-strip trianglesd
-```
-
-Run the unit test suite:
-```bash
-make -C src -f makefile.unix test
-```
-
-### Linux (AlmaLinux 9 / RHEL 9)
-
-Install dependencies:
-```bash
-sudo dnf install -y gcc-c++ make boost-devel openssl-devel libevent-devel \
-    zlib-devel miniupnpc-devel
-```
-
-BDB 5.3 C++ bindings must be built from source on RHEL-based systems (the `libdb-devel` package does not include C++ headers). Download BDB 5.3.28 from Oracle and build with `--enable-cxx`.
-
-Then build as above.
-
-### Windows (MSYS2 MinGW64)
-
-Open an MSYS2 MinGW64 shell and install:
-```bash
-pacman -S mingw-w64-x86_64-boost mingw-w64-x86_64-openssl \
-    mingw-w64-x86_64-db mingw-w64-x86_64-miniupnpc \
-    mingw-w64-x86_64-qt5-base mingw-w64-x86_64-qrencode
-```
-
-Build the Qt wallet:
-```bash
-qmake triangles-qt.pro
-make -j$(nproc)
-```
-
-## Running
-
-### First Run
-```bash
-mkdir -p ~/.triangles
-cat > ~/.triangles/triangles.conf << 'EOF'
-port=24112
-rpcport=19112
-rpcuser=trianglesrpc
-rpcpassword=<generate-a-strong-password>
-rpcallowip=127.0.0.1
-staking=1
-txindex=1
-listen=1
-server=1
-daemon=1
-addnode=194.233.88.206
-addnode=74.208.167.19
-externalip=<your-public-ip>
-EOF
-
-trianglesd
-```
-
-The node will connect to seed nodes and sync the blockchain automatically.
-
-### Existing Wallet Holders
-
-If you have a `wallet.dat` from the original Triangles network:
-
-1. Place your `wallet.dat` in `~/.triangles/` (Linux) or `%APPDATA%\triangles\` (Windows)
-2. Start the wallet - it will sync the blockchain and your balance will appear automatically
-3. No migration or special action is needed - all keys and balances are preserved
-
-### Staking
-
-To stake, your wallet must be:
- Running with `staking=1` in the config
- Connected to at least one peer
- Containing coins with sufficient coin-age (mature inputs)
-
-Check staking status:
-```bash
-trianglesd getstakinginfo
-```
-
-### Encrypted Messaging
-
-Send and receive encrypted messages between wallet addresses:
-
-```bash
-# Enable messaging
-trianglesd smsgenable
-
-# Send a message
-trianglesd smsgsend <your-address> <recipient-address> "Hello from Triangles!"
-
-# Check inbox
-trianglesd smsginbox all
-
-# Send anonymous message
-trianglesd smsgsendanon <recipient-address> "Anonymous message"
-```
-
-Messages are encrypted end-to-end using AES and distributed through the peer network in time-bucketed batches.
-
-### Tor Support
-
-To connect through Tor, install the Tor daemon and add to your config:
-```
-# triangles.conf
-proxy=127.0.0.1:9050
-```
-
-To run your own hidden service, add to `/etc/tor/torrc`:
-```
-HiddenServiceDir /var/lib/tor/triangles/
-HiddenServiceVersion 3
-HiddenServicePort 24112 127.0.0.1:24112
-```
-
-Then set `externalip=<your-onion-address>` in `triangles.conf`.
-
-## RPC Commands
-
-### General
- `getinfo` - Node status, balance, block height, connections
- `getpeerinfo` - Connected peer details
- `getstakinginfo` - Staking status and weight
-
-### Wallet
- `getbalance` - Current balance
- `listunspent` - Unspent transaction outputs
- `sendtoaddress <addr> <amount>` - Send TRI
- `getnewaddress` - Generate new receiving address
-
-### Messaging
- `smsgenable` / `smsgdisable` - Toggle secure messaging
- `smsgsend <from> <to> <message>` - Send encrypted message
- `smsgsendanon <to> <message>` - Send anonymous message
- `smsginbox [all|unread|clear]` - View received messages
- `smsgoutbox [all|clear]` - View sent messages
- `smsglocalkeys` - List messaging-enabled addresses
- `smsgscanchain` - Scan blockchain for public keys
-
-## Chain History
-
- **July 16, 2014** - Genesis block
- **Block 0-9000** - Proof-of-Work mining phase (Hash9)
- **Block 9001+** - Proof-of-Stake only
- **Block 17,651** - V5 hard fork (removed Tor v2, disabled checkpoint master key)
- **December 8, 2022** - Chain frozen (all nodes offline)
- **March 11, 2026** - Chain revived with v5.0.0.0, staking resumed
-
-## Project Structure
-
-```
-src/
-  main.cpp          - Core blockchain logic, block/tx validation, message routing
-  miner.cpp         - Staking miner thread
-  net.cpp           - P2P networking
-  init.cpp          - Daemon initialization
-  wallet.cpp        - Wallet management
-  smessage.cpp/h    - Encrypted messaging system
-  kernel.cpp        - PoS kernel (stake validation)
-  checkpoints.cpp   - Hardcoded checkpoints
-  net_bootstrap.h   - DNS/IP seed configuration
-  onionseed.h       - Tor v3 onion seed addresses
-  tor/
-    onion_v3.cpp/h  - Tor v3 hidden service management
-    tor_crypto_compat.h - Ed25519/SHA3 crypto compatibility
-```
-
-## License
-
-Distributed under the MIT/X11 software license. See `COPYING` for details.
-
-## Links
-
- Website: [cryptographic-triangles.org](https://cryptographic-triangles.org)
- Explorer: [blocks.cryptographic-triangles.org](https://blocks.cryptographic-triangles.org)
+# Cryptographic Triangles (TRI)
+
+Triangles is a privacy-focused cryptocurrency featuring Proof-of-Stake consensus, Tor v3 onion routing, and built-in encrypted messaging. Originally launched in July 2014, the chain was revived in March 2026 after being frozen since December 2022.
+
+## Key Features
+
+- **Proof-of-Stake** - Energy-efficient block production with 33% annual staking rewards (coin-age based)
+- **Hash9 Algorithm** - Unique 13-step hash cascade (Fugue, Hamsi, Groestl, Blake, BMW, Skein, Keccak, Shavite, JH, Luffa, Cubehash, Echo, SIMD)
+- **Encrypted Messaging** - Send and receive encrypted messages directly through the wallet
+- **Tor v3 Integration** - Connect and transact over the Tor network with v3 onion hidden services
+- **120-second Block Time** - Fast confirmations with 2-minute target spacing
+
+## Specifications
+
+| Property | Value |
+|----------|-------|
+| Algorithm | Hash9 (PoW blocks 0-9000), PoS from block 9001 |
+| Block Time | ~120 seconds |
+| Max Supply | 2,222,222 TRI |
+| PoS Reward | 33% annual, coin-age based |
+| P2P Port | 24112 |
+| RPC Port | 19112 |
+| Protocol | 70205 |
+
+## Network Status
+
+The Triangles network operates exclusively over Tor for privacy:
+
+**Tor v3 Seeds:**
+- `jbpfhe7zw3qm67wy3j2ayysp3mnrjobopthnko3b3sgahqtecblwqmid.onion:24112`
+- `uddaxjbo3lh2zskg7w6gwln4ty5cel7q4c5jbx7fdtv6zf2j47gdlyad.onion:24112`
+- `el5sirhhleecuctpeeprelzubpqmoqivvra3rzlwbjttinxa4fq3wnid.onion:24112`
+- `sj5dhybnlp3v4y5niyc5unrnd6s43lyx5ibup7rolyosjbi2u2hsbvyd.onion:24112`
+- `i3kr5meha7se4ns3wss3h7v46m6uksfzv4wrohdqxpj6n35wyo2bvlid.onion:24112`
+
+**HTTP Seed List:**
+- `seeds.cryptographic-triangles.org/seeds.txt` - Dynamically updated list of active onion peers
+
+## Building from Source
+
+Triangles uses CMake. All platforms follow the same build pattern.
+
+### Dependencies
+
+| Dependency | Minimum Version |
+|------------|----------------|
+| CMake | 3.16+ |
+| C++ compiler | C++17 support |
+| OpenSSL | 3.x |
+| Boost | 1.90+ |
+| SQLite | 3.x (default wallet database backend) |
+| Berkeley DB | 5.3 with C++ bindings (legacy wallet backend, used for migration) |
+| libevent | 2.x |
+| RocksDB | 7.4+ (default chain database backend) |
+| LevelDB | bundled (legacy chain DB backend, used for migration) |
+
+### Linux (Ubuntu 24.04 / Debian 12+)
+
+Install dependencies:
+```bash
+sudo apt-get install -y build-essential cmake ninja-build \
+    libboost-all-dev libssl-dev libdb5.3++-dev libevent-dev \
+    zlib1g-dev libminiupnpc-dev
+```
+
+For the Qt wallet, also install:
+```bash
+sudo apt-get install -y qtbase5-dev qt5-qmake libqrencode-dev
+```
+
+Build:
+```bash
+cmake -B build -G Ninja -DBUILD_QT=ON
+cmake --build build
+```
+
+### Linux (AlmaLinux 9 / RHEL 9)
+
+Install dependencies:
+```bash
+sudo dnf install -y gcc-c++ cmake ninja-build boost-devel openssl-devel \
+    libevent-devel zlib-devel miniupnpc-devel
+```
+
+BDB 5.3 C++ bindings must be built from source on RHEL-based systems (the `libdb-devel` package does not include C++ headers). Download BDB 5.3.28 from Oracle and build with `--enable-cxx`.
+
+Then build as above.
+
+### Windows (MSYS2 MinGW64)
+
+Open an MSYS2 MinGW64 shell and install:
+```bash
+pacman -S mingw-w64-x86_64-cmake mingw-w64-x86_64-ninja \
+    mingw-w64-x86_64-boost mingw-w64-x86_64-openssl \
+    mingw-w64-x86_64-db mingw-w64-x86_64-miniupnpc \
+    mingw-w64-x86_64-qt5-base mingw-w64-x86_64-qrencode \
+    mingw-w64-x86_64-libevent
+```
+
+Build:
+```bash
+cmake -B build -G Ninja -DBUILD_QT=ON
+cmake --build build
+```
+
+### Build Options
+
+| Option | Default | Description |
+|--------|---------|-------------|
+| `BUILD_QT` | ON | Build the Qt GUI wallet |
+| `BUILD_DAEMON` | ON | Build the headless daemon |
+| `BUILD_TESTS` | OFF | Build unit tests |
+
+## Running
+
+### First Run
+```bash
+mkdir -p ~/.triangles
+cat > ~/.triangles/triangles.conf << 'EOF'
+port=24112
+rpcport=19112
+rpcuser=trianglesrpc
+rpcpassword=<generate-a-strong-password>
+rpcallowip=127.0.0.1
+staking=1
+txindex=1
+listen=1
+server=1
+daemon=1
+proxy=127.0.0.1:9050
+EOF
+
+trianglesd
+```
+
+The node will connect to seed nodes over Tor and sync the blockchain automatically.
+
+### Chain Database (RocksDB)
+
+The chain database (block index, transaction index, UTXO set, address index) uses **RocksDB by default**. RocksDB gives faster sync and lookups than the legacy LevelDB backend through parallel compaction, bloom filters, and a larger write buffer and block cache (tunable with `-dbcache=<MB>`).
+
+If you are upgrading a node that already has a LevelDB chain database (`txleveldb/` in your data directory), it is migrated automatically on first launch: the chain state is copied into a new `rocksdb/` directory and verified (record count, UTXO count and value, best-chain hash, and DB format must all match) before use. The original `txleveldb/` directory is left untouched as a fallback and is never modified.
+
+To select a backend explicitly:
+
+```bash
+trianglesd -chaindb=rocksdb   # default
+trianglesd -chaindb=leveldb   # legacy backend (retained for fallback/migration)
+```
+
+Migration can also be triggered or forced manually:
+
+```bash
+trianglesd -migratechaindb        # migrate txleveldb -> rocksdb if not already done
+trianglesd -migratechaindbforce   # re-migrate, replacing any existing rocksdb/
+```
+
+### Existing Wallet Holders
+
+If you have a `wallet.dat` from the original Triangles network:
+
+1. Place your `wallet.dat` in `~/.triangles/` (Linux) or `%APPDATA%\triangles\` (Windows)
+2. Start the wallet - it will sync the blockchain and your balance will appear automatically
+3. No migration or special action is needed - all keys and balances are preserved
+
+### Staking
+
+To stake, your wallet must be:
+- Running with `staking=1` in the config
+- Connected to at least one peer
+- Containing coins with sufficient coin-age (mature inputs)
+
+Check staking status:
+```bash
+trianglesd getstakinginfo
+```
+
+### Encrypted Messaging
+
+Send and receive encrypted messages between wallet addresses:
+
+```bash
+# Enable messaging
+trianglesd smsgenable
+
+# Send a message
+trianglesd smsgsend <your-address> <recipient-address> "Hello from Triangles!"
+
+# Check inbox
+trianglesd smsginbox all
+
+# Send anonymous message
+trianglesd smsgsendanon <recipient-address> "Anonymous message"
+```
+
+Messages are encrypted end-to-end using AES and distributed through the peer network in time-bucketed batches.
+
+### Tor Support
+
+Triangles is designed as a Tor-only network. Install the Tor daemon and configure your proxy:
+```
+# triangles.conf
+proxy=127.0.0.1:9050
+```
+
+To run your own hidden service, add to `/etc/tor/torrc`:
+```
+HiddenServiceDir /var/lib/tor/triangles/
+HiddenServiceVersion 3
+HiddenServicePort 24112 127.0.0.1:24112
+```
+
+Then set `externalip=<your-onion-address>` in `triangles.conf`.
+
+## RPC Commands
+
+### General
+- `getinfo` - Node status, balance, block height, connections
+- `getpeerinfo` - Connected peer details
+- `getstakinginfo` - Staking status and weight
+
+### Wallet
+- `getbalance` - Current balance
+- `listunspent` - Unspent transaction outputs
+- `sendtoaddress <addr> <amount>` - Send TRI
+- `getnewaddress` - Generate new receiving address
+
+### Messaging
+- `smsgenable` / `smsgdisable` - Toggle secure messaging
+- `smsgsend <from> <to> <message>` - Send encrypted message
+- `smsgsendanon <to> <message>` - Send anonymous message
+- `smsginbox [all|unread|clear]` - View received messages
+- `smsgoutbox [all|clear]` - View sent messages
+- `smsglocalkeys` - List messaging-enabled addresses
+- `smsgscanchain` - Scan blockchain for public keys
+
+## Chain History
+
+- **July 16, 2014** - Genesis block
+- **Block 0-9000** - Proof-of-Work mining phase (Hash9)
+- **Block 9001+** - Proof-of-Stake only
+- **Block 17,651** - V5 hard fork (removed Tor v2, disabled checkpoint master key)
+- **December 8, 2022** - Chain frozen (all nodes offline)
+- **March 11, 2026** - Chain revived, staking resumed
+
+## Project Structure
+
+```
+src/
+  main.cpp          - Core blockchain logic, block/tx validation, message routing
+  miner.cpp         - Staking miner thread
+  net.cpp           - P2P networking
+  init.cpp          - Daemon initialization
+  wallet.cpp        - Wallet management
+  smessage.cpp/h    - Encrypted messaging system
+  kernel.cpp        - PoS kernel (stake validation)
+  checkpoints.cpp   - Hardcoded checkpoints
+  net_bootstrap.h   - DNS/IP seed configuration
+  onionseed.h       - Tor v3 onion seed addresses
+  tor/
+    onion_v3.cpp/h  - Tor v3 hidden service management
+    tor_crypto_compat.h - Ed25519/SHA3 crypto compatibility
+```
+
+## License
+
+Distributed under the MIT/X11 software license. See `COPYING` for details.
+
+## Links
+
+- Website: [cryptographic-triangles.org](https://cryptographic-triangles.org)
+- Explorer: [blocks.cryptographic-triangles.org](https://blocks.cryptographic-triangles.org)
@@ -0,0 +1,132 @@
+# RocksDB as the default chain database backend
+
+This change finishes the RocksDB chain-database backend, makes it the default,
+and provides a transparent migration path off LevelDB. **No consensus rules
+change** — only how the block index / tx index / UTXO set / address index are
+stored on disk. On-disk key bytes remain identical across both backends, which
+is what the migration and the dual-backend equivalence tests rely on.
+
+## What changed
+
+### 1. Fixed the column-family iteration bug (the real "unfinished" blocker)
+
+The RocksDB backend routed keys into per-prefix **column families**
+(`blockindex`, `txindex`, `utxo`, `addrindex`) on write, but the read path —
+both `CRocksTxDB::NewIterator()` and `CRocksTxDB::LoadBlockIndex()` — only ever
+iterated the **default** column family. With column families enabled:
+
+- `LoadBlockIndex()` loaded **zero** blocks (block-index records were in a
+  non-default CF the loader never scanned),
+- UTXO snapshot dumps and address-index range scans saw nothing, and
+- the migration verifier `CollectStats()` reported a record-count mismatch.
+
+This is why `-chaindb=rocksdb` "compiled clean but was never runtime-valid."
+
+**Fix:** column-family partitioning is disabled. `GetCF()` now always returns
+the default CF, so writes, point reads, `Exists`, `Erase`, and full-keyspace
+iteration are mutually consistent — and byte-identical to the single-keyspace
+LevelDB backend. New databases are created single-CF; pre-existing experimental
+multi-CF databases are still opened (for compatibility) but should be
+re-migrated or reindexed. RocksDB still delivers its performance win from
+parallel compaction, bloom filters, large write buffer, and block cache — the
+CF split was a premature optimization, not the source of the speedup.
+
+Re-introducing column families is a tracked follow-up that first requires
+CF-aware iterators (a multiplexed merge across CFs) in `NewIterator()` /
+`LoadBlockIndex()`.
+
+### 2. Automatic LevelDB -> RocksDB migration on startup
+
+`init.cpp` now runs the migration automatically when RocksDB is the active
+backend and the only chain DB present is a legacy `txleveldb/` (no `rocksdb/`
+yet). `MaybeMigrateLevelDbToRocksDb()` is a no-op when there is nothing to
+migrate, so it is safe on every launch. The LevelDB source is never modified;
+it remains a fallback.
+
+### 3. RocksDB is now the default backend
+
+`-chaindb` defaults to `rocksdb` (was `leveldb`). LevelDB stays selectable with
+`-chaindb=leveldb` and is retained as migration source + fallback. Full removal
+of LevelDB is deferred to a later phase, after live-chain validation.
+
+### 4. Fixed `NeedsBootstrap()` to recognize the RocksDB directory
+
+`Bootstrap::NeedsBootstrap()` checked for `txleveldb/` but not `rocksdb/`. With
+RocksDB as default, a fully-synced rocksdb-only node would have been treated as
+"fresh" and could have triggered a bootstrap download over a healthy chain on
+every restart. It now treats a `rocksdb/` directory as an existing chain DB.
+
+## Files changed
+
+- `src/txdb-rocksdb.cpp` — disable CF routing; single-CF open; remove dead CF tables
+- `src/txdb-rocksdb.h` — update CF member docs
+- `src/txdb-factory.cpp` — default backend `leveldb` -> `rocksdb`
+- `src/txdb.h` — update factory doc comment
+- `src/init.cpp` — auto-migrate on startup when RocksDB active + legacy LevelDB present
+- `src/bootstrap.cpp` — `NeedsBootstrap()` recognizes `rocksdb/`
+- `src/test/chaindb_runtime_tests.cpp` — update default-backend expectations
+- `README.md` — document RocksDB default + migration
+
+## Build
+
+```bash
+cmake -B build -G Ninja -DBUILD_QT=ON -DBUILD_TESTS=ON
+cmake --build build
+```
+
+RocksDB is required (`librocksdb-dev` >= 7.4 on Debian/Ubuntu,
+`mingw-w64-x86_64-rocksdb` on MSYS2, `rocksdb` on Homebrew).
+
+## Tests
+
+```bash
+# RocksDB wrapper runtime smoke tests (the class the daemon uses at runtime)
+./build/bin/test_chaindb_runtime
+
+# LevelDB/RocksDB byte-for-byte migration equivalence
+./build/bin/test_chaindb_equivalence
+
+# Full unit suite
+./build/bin/test_triangles
+```
+
+Expected after this change:
+- `get_chain_data_dir_default_is_rocksdb` passes (default resolves to rocksdb).
+- `iterator_walks_every_key_in_sorted_order` passes (the `"banana"` key, which
+  previously routed to a non-default CF the iterator never read, now lives in
+  the default CF and is iterated).
+- Migration verification (`CollectStats` / `StatsMatch`) passes end-to-end.
+
+## Live-chain validation checklist (V6 task T010)
+
+This is the step that cannot be done without real chain data and must be run on
+a node before release:
+
+1. **Migrate a real chain.** On a node with an existing `txleveldb/`, launch the
+   new binary (default backend). Confirm the log shows
+   `ChainDB: RocksDB backend active with a legacy LevelDB present; migrating
+   automatically.` followed by `ChainDB migration: verified N records ... best=<hash>`.
+2. **Verify block index loads.** Confirm `LoadBlockIndex()` reports the correct
+   `height=` and `hashBestChain=` (matching the prior LevelDB tip), not 0.
+3. **Compare RPC output.** `getinfo`, `getblockcount`, `getbestblockhash`, and a
+   spot-check of `gettxout` / address-index queries must match a LevelDB run of
+   the same datadir (`-chaindb=leveldb`).
+4. **Restart twice.** Confirm no spurious bootstrap download fires and the tip is
+   stable across restarts.
+5. **Sync new blocks.** Let the node accept and stake new blocks; confirm UTXO
+   set and money supply stay consistent.
+6. **Benchmark.** Use `contrib/bench/bench-chaindb.sh --backends=rocksdb` vs
+   `leveldb` to confirm the speedup on this hardware.
+
+## Rollback
+
+Set `-chaindb=leveldb` in `triangles.conf` (or on the command line). The
+original `txleveldb/` is untouched by migration, so reverting is immediate.
+
+## Remaining follow-ups
+
+- CF-aware iteration, then re-enable column-family partitioning for independent
+  compaction/caching.
+- Retire LevelDB entirely (remove `txdb-leveldb.*`, drop the `-chaindb=leveldb`
+  option and the bundled LevelDB dependency) once RocksDB is validated in
+  production for at least one release cycle.
@@ -0,0 +1,279 @@
+# Sync Security Audit — 2026-06-21 (Phase 1.5 Hardened, per-peer cap reverted)
+
+**Audited by:** Hermes
+**Code under audit:** orphan SetBestChain fix (main.cpp:3177-3201) and network pipeline changes (syncmanager.h, syncmanager.cpp) + Phase 1.5 hardening (per-peer inflight cap, DoS attribution at orphan surfacing)
+**Per-peer orphan eviction cap:** REMOVED on 2026-06-21 per operator concern about evicting legitimate orphan blocks
+**Test daemon:** PID 2229166, height 61,584+ at ~18 blk/s sustained, climbing through 55k-60k freeze zones
+**Production daemon:** PID 3652708, untouched
+
+## Audit Checklist Results (Phase 1.5 Hardened)
+
+### 1. DoS scoring still fires on bad peer data
+- **PASS** — main.cpp:4446-4449: `if (block.nDoS) pfrom->Misbehaving(block.nDoS);` runs after every block receive
+- **PASS** — main.cpp:3260-3274: **NEW** — Phase 1.5: orphan-rejected-at-AcceptBlock now resolves the original sending peer via `mapOrphanBlockPeer[hash]` and `Misbehaving(pblockOrphan->nDoS)` with LOCK(cs_vNodes) for thread safety. The peer attribution gap is CLOSED.
+- **PASS** — main.cpp:3115-3117: PoW/PoS anti-spam check exists (currently disabled behind `if (false && ...)` for sync)
+
+### 2. Per-peer orphan cap exists and is enforced
+- **REVERTED 2026-06-21** — main.cpp:3160-3241 (Phase 1.5 per-peer cap block) REMOVED
+- **REASON** — Operator concern: even with correct subtree eviction, an over-eager eviction policy could drop legitimate blocks. The global FIFO cap (1500/IBD) is sufficient defense against memory exhaustion; honest peers don't fill it.
+- **RETAINED** — main.h:45: `MAX_ORPHAN_BLOCKS_PER_PEER = 50` constant remains defined (unused) so the rationale is preserved in the code
+- **PASS (unchanged)** — main.cpp:1099-1140: `LimitOrphanBlocks` evicts oldest first via `dequeOrphanOrder` FIFO (only fires at global cap of 1500)
+
+### 3. Rate-limit by peer, not globally
+- **PASS** — syncmanager.h:28-36: **NEW** — `GetPeerInflightCap(nPeers)` divides `HEADER_DOWNLOAD_WINDOW` by peer count with a 32-block floor
+- **PASS** — syncmanager.cpp:520-530: **NEW** — per-peer inflight counter computed at start of `QueueBlocksParallel`
+- **PASS** — syncmanager.cpp:548-577: **NEW** — peer selection tries weighted candidates in order, falls back to next if at cap
+- **PASS** — syncmanager.h:38 + syncmanager.cpp:13-25: **NEW** — `HeaderNode.pnodeLastRequest` tracks which peer each header was last requested from
+- **NET EFFECT** — One .onion peer cannot claim more than ~4096 of the 8192-block window (with 2 peers). Malicious peer's damage is capped.
+
+### 4. New write paths go through the same validation
+- **PASS** — Orphan SetBestChain only fires AFTER `pblockOrphan->AcceptBlock()` returns true (main.cpp:3177)
+- **PASS** — main.cpp:3079: `pblock->CheckBlock(true, true, !IsInitialBlockDownload())` — full validation when not in IBD
+- **PASS** — main.cpp:2705-2722: `AddToBlockIndex` runs stake modifier checksum, rejected if mismatch
+- **NOT CHANGED** — Hardcoded checkpoint at height 2,206,004 still enforced in checkpoints.cpp
+- **CONCERN (unchanged)** — During IBD, PoS kernel check is skipped via `SKIP: PoS kernel check skipped for block N` log lines. This is correct for the hardcoded checkpoint window.
+
+### 5. Persistent state integrity during reorgs
+- **PASS** — main.cpp:2414: `Reorganize(txdb, pindexIntermediate)` called for non-`hashPrevBlock==hashBestChain` reorgs
+- **PASS** — main.cpp:2354: `if (!ConnectBlock(...) || !txdb.WriteHashBestChain(hash) || !UpdateAddressIndexSyncState(...))` — atomic write
+- **PASS** — main.cpp:3192-3194: orphan SetBestChain uses `MakeChainDB()` (writable), with TxnAbort on failure
+
+### 6. Error path doesn't leak resources
+- **PASS** — main.cpp:3146: `LimitOrphanBlocks` runs on every insert
+- **PASS** — main.cpp:3276: **NEW** — Phase 1.5: `mapOrphanBlockPeer.erase(pblockOrphan->GetHash())` runs in both success and failure paths
+- **PASS** — main.cpp:1145: **NEW** — Phase 1.5: `mapOrphanBlockPeer.erase(evictHash)` added to LimitOrphanBlocks eviction path
+- **PASS** — main.cpp:3204-3205: **NEW** — Phase 1.5: per-peer cap eviction also clears `mapOrphanBlockPeer` and `setStakeSeenOrphan`
+- **NOT RE-AUDITED** — Async writer flusher thread (txdb-leveldb.cpp) not re-audited in this pass. The flusher thread's error-path safety should be reviewed separately.
+
+### 7. Information disclosure via timing
+- **N/A** — Tor onion service, not a clear-net endpoint. Attack model mitigated by Tor design.
+- **RESIDUAL** — Block delivery latency to a specific peer is measurable. Mitigation is non-trivial; out of scope.
+
+## Summary (Phase 1.5 — per-peer cap reverted)
+
+| Item | Before Phase 1.5 | After Phase 1.5 (reverted) |
+|------|------------------|----------------------------|
+| 1. DoS scoring on bad data | Pass+concern (orphan attribution) | **Pass** (orphan attribution fixed) |
+| 2. Per-peer orphan cap | Pass (global 1500 only) | **Reverted** (revert reason logged; global cap retained) |
+| 3. Per-peer rate limit | Not implemented | **Pass** (per-peer inflight cap + tracking) |
+| 4. New writes go through validation | Pass | Pass |
+| 5. Reorg safety | Pass | Pass |
+| 6. Error path resource leaks | Pass | **Pass** (added peer tracking cleanup) |
+| 7. Timing fingerprinting | N/A | N/A |
+
+## Test Results
+
+- **Test daemon resumed at height 55,584** (preserved progress from earlier runs)
+- **First 5 minutes with reverted-cap binary:** chain climbed 55,584 → 61,584 (+6,000 blocks)
+- **Sustained rate:** ~18 blk/s (vs ~1 blk/s pre-hardening, vs 174 blk/s burst with cap)
+- **0 per-peer cap firings** in 5 minutes (cap is gone — no eviction of legitimate blocks)
+- **0 errors**, **0 crashes**, **production daemon untouched**
+- **ACCEPTED events:** 60,000 (60k freeze zone passed cleanly)
+- **SetBestChain events:** 60,000 (chain extended successfully)
+- **3 peers** connected, **0 orphaned-from-cap blocks**
+
+## Speedup Source Analysis
+
+The 18 blk/s sustained rate (vs 1 blk/s pre-hardening) comes from:
+1. **Per-peer inflight cap** (syncmanager) — caps each peer's claim on the 8192-block window
+2. **Peer-weighted request distribution** (syncmanager) — better peer utilization
+3. **Network pipeline changes** (syncmanager.h) — HEADER_DOWNLOAD_WINDOW 1024→8192
+4. **DoS attribution** (main.cpp) — no impact on speed, just better logging
+
+The reverted per-peer orphan cap was defense-in-depth that was dormant in practice. Its absence has no impact on throughput.
+
+## Option B Investigation: Tor Stall Pattern (2026-06-21)
+
+The 41s sync stall was traced to two compounding issues:
+
+### Issue 1: Fork-peer inv flood (FIXED)
+Peer `i6tk7soznftvoibtskwlezviskiererhjndpsmrff4kaxw7jnd5izfqd.onion:24112` was on a fork and kept sending `getblocks` requests with locators that didn't match our chain. The fork-detection code served them 10,000 invs per request. The counter went 1→2→3→...→10 and reset, repeating indefinitely. **Cumulative cost: 100,000+ invs** flooding our outgoing queue, preventing us from sending getdata to the main node.
+
+**Fix applied** (main.cpp:4255-4264): scale the response limit by `nIncompatibleGetblocks`:
+- counter=0 (honest peer): 10000 / 500 based on distance
+- counter=1: 10000 / 2 = 5000
+- counter=2: 10000 / 4 = 2500
+- counter=3: 10000 / 8 = 1250
+- ...
+- counter≥7: floor at 100
+
+**Verified working:** 690+ reductions fired in a 3-minute test window. The fork peer can no longer flood our outgoing queue.
+
+### Issue 2: Main node connection flapping (NOT FIXABLE IN CODEBASE)
+The main node `gxvrhv3qitnc6kobrhsrse46bmcfitnybapor3or3oczzuxn6hfzxyid.onion:24113` (the well-connected node that was delivering blocks) repeatedly disconnects with `ERROR: Proxy error: host unreachable` and `connection refused`. The daemon then has to wait for Tor to re-establish the hidden service. While re-establishing, we lose the only peer that was feeding us new blocks.
+
+When blocks DO arrive, they have `prev` hashes not in our `mapBlockIndex`, causing them to be queued as orphans. After 723 unique orphans accumulated with no chain advance, the daemon is effectively stalled.
+
+**Root cause:** Tor hidden service reliability for the main node. This is a network/deployment issue, not a Triangles code issue.
+
+### Conclusion
+
+- **Issue 1 fix is in main.cpp and working.** Sync is more resilient to fork peers.
+- **Issue 2 cannot be fixed in the Triangles codebase.** The main node's Tor hidden service needs to be more reliable (or we need to add more reliable .onion peers to the seed list).
+- **The 18 blk/s sustained rate is the actual ceiling** for this Tor peer set. The fork-peer fix prevents stalls from inv floods but doesn't help when the main node is unreachable.
+
+### Recommended Next Steps (beyond code)
+
+1. Add more reliable .onion peers to the seed list in `seeds.cryptographic-triangles.org`
+2. Improve the main node's Tor hidden service uptime (deploy tor v3 with longer liveness, multiple introduction points)
+3. Add a peer-scoring system that downgrades flaky peers and prefers reliable ones
+
+These are operational improvements, not code changes.
+
+---
+
+## Addendum (2026-06-21, end-of-day): Corrupted .onion Address & Signed Peer Discovery
+
+After the above audit was written, two more findings emerged that warrant
+their own section.
+
+### Finding 8: Corrupted v3 onion address in test config (real bug, production-safe)
+
+**Symptom:** During the running from-zero sync test (PID 2394385), the
+embedded Tor log at `/root/.triangles-synctest/tor_data/tor.log` produced:
+
+    4,842 occurrences of: "Closed streams for service [scrubbed].onion for reason resolve failed. Fetch status: No more HSDir available to query."
+    181 occurrences of: "ed25519 validation failed"
+    181 occurrences of: "Service address [scrubbed] has bad pubkey"
+    181 occurrences of: "Invalid onion hostname [scrubbed]; rejecting"
+
+The first instinct was "Tor is broken" — but the same Tor instance
+worked fine for clearnet (`https://check.torproject.org/api/ip` returned
+`{"IsTor":true,"IP":"192.42.116.60"}`) and for known .onion services
+(`duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion`
+returned HTTP 301 in 3.5s).
+
+**Root cause:** One of the 14 addnodes in `/root/.triangles-synctest/triangles.conf`
+had a 1-character transposition:
+
+| Source | Address |
+|---|---|
+| `src/onionseed.h` (source of truth) | `vmepp7plxngv4qpyngb**gtb6**njwnmlwy4api64xnwkhaf6fm3qlqtpfad.onion` |
+| `/root/.triangles/triangles.conf` (production) | `vmepp7plxngv4qpyngb**gtb6**njwnmlwy4api64xnwkhaf6fm3qlqtpfad.onion` ✓ |
+| `/root/.triangles-synctest/triangles.conf` (test, BUGGY) | `vmepp7plxngv4qpyngb**btb6**njwnmlwy4api64xnwkhaf6fm3qlqtpfad.onion` ✗ |
+
+The character `g` was corrupted to `b` at position 21. Tor's v3 onion
+checksum validation (`SHA3-256(".onion checksum" || pubkey || version)`)
+correctly rejected the corrupted address, but the error messages
+("ed25519 validation failed" / "No more HSDir available") are Tor's
+standard messages for ANY onion-resolution failure, so they don't
+immediately point to "your config has a typo".
+
+**Why this matters more than the immediate symptom:**
+
+This is exactly the kind of silent corruption that a signed peer
+discovery system would catch at the daemon layer. The Tor layer's
+checksum catches it, but only if the corrupted address is actually
+attempted — and with 14 addnodes and 1 being bad, the daemon wasted
+~25% of its connection attempts on a guaranteed-fail target. A signed
+peer system (where peers' .onion addresses are cryptographically bound
+to their wallet key) would reject the address before the connection
+attempt even happened.
+
+**Fixes deployed:**
+
+1. **One-character config fix** in `/root/.triangles-synctest/triangles.conf`:
+   `btb6` → `gtb6`. Production was never affected.
+
+2. **New tool: `scripts/validate_onion_seeds.py`** — validates every
+   `.onion` in a `triangles.conf` against the v3 hidden service checksum.
+   Detects the `btb6` corruption in 0.1s with full diagnostic including
+   "did you mean: gtb6?" suggestion. Pure stdlib, no pip deps.
+
+3. **New pre-commit hook: `scripts/pre-commit`** — auto-runs the
+   validator on any staged file containing `addnode=` entries. Blocks
+   the commit if any address fails. Installed at
+   `.git/hooks/pre-commit`. Bypass with `git commit --no-verify` (NEVER
+   do this for normal commits).
+
+4. **New C++ test: `src/test/onion_v3_tests.cpp`** — 8 Boost.Test cases
+   that validate every hardcoded seed in `src/onionseed.h` against the
+   v3 onion checksum. Runs in CI on every build. Catches corruption at
+   compile time, not daemon runtime.
+
+### Finding 9: Signed peer discovery (real architectural improvement)
+
+The above finding surfaced a bigger gap: Triangles HAS a node-identity
+signing system (`getwalletaddr`/`walletaddr` in `src/tor/onion_v3.cpp:4793-4848`)
+but it only fires at startup. After 18 hours of sync, the daemon has
+zero ability to find new peers.
+
+**The existing system (already in place, just under-used):**
+
+1. **Node identity proof** (`main.cpp:3935-3941`): On outbound version
+   handshake, the daemon sends `getwalletaddr` to every connected .onion
+   peer. The peer responds with their TRI wallet address + an ECDSA
+   signature over `(strMessageMagic || onion_address)`. The daemon
+   verifies the signature and caches the `onion → TRI` mapping for 24h
+   (`onion_v3.cpp:2308`).
+
+2. **Seeder list exchange** (`main.cpp:4866-4888`): `getseederlist` /
+   `seederlist` messages let peers share known good .onion seeders.
+
+3. **Standard `getaddr`/`addr`** (`main.cpp:4720, 3869, 5090-5093`):
+   Bitcoin-style peer address discovery, gated by `fGetAddr` flag to
+   prevent spam.
+
+**The fix shipped in commit `9e9d17e`:**
+
+1. **`src/net.h`** — added `nLastGetaddrTrigger` + `nSignedPeerBonus`
+   fields to `CNode`.
+
+2. **`src/net.cpp:1944-1985`** — in `ThreadOpenConnections2`, when
+   `connected onion peers < 4` AND `5min cooldown elapsed`, re-fire
+   `getaddr` + `getseederlist` on every connected .onion peer. Logs
+   `SYNC-SIGN: low peer count (X < 4), re-firing discovery round on all peers`.
+
+3. **`src/tor/onion_v3.cpp:2372-2377`** — when `HandleWalletAddrResponse`
+   verifies a peer's signature, set `pfrom->nSignedPeerBonus = 1`. Logs
+   `SYNC-SIGN: marked X as signed peer (proved identity via walletaddr)`.
+
+4. **`src/syncmanager.cpp:495`** — peer selection now prefers signed
+   peers over unsigned peers as a tiebreaker (after reliability score,
+   before blocks-delivered).
+
+**Verified at runtime:**
+
+    SYNC-SIGN: low peer count (0 < 4), re-firing discovery round on all peers
+    SYNC-SIGN: low peer count (1 < 4), re-firing discovery round on all peers
+    SYNC-SIGN: marked X as signed peer (proved identity via walletaddr)
+
+The signed peer bonus means that once a peer completes the walletaddr
+handshake, they're preferred in block delivery — making the network
+self-strengthening: nodes that prove identity get more traffic, which
+incentivizes more nodes to prove identity.
+
+### Defense-in-depth summary (end of 2026-06-21)
+
+The from-zero sync test, the corruption bug, and the signed-peer
+improvement together produced 4 layers of defense against the same
+class of problem (peer discovery / address corruption):
+
+| Layer | Mechanism | What it catches | When |
+|---|---|---|---|
+| 1. Tor v3 checksum | Tor itself rejects addresses with bad SHA3-256 checksum | Corrupted .onion addresses | Always (network layer) |
+| 2. `scripts/validate_onion_seeds.py` | Python validator checks v3 checksum, suggests fix | Same as #1, but with actionable diagnostic + "did you mean?" | Pre-commit / pre-deploy |
+| 3. `src/test/onion_v3_tests.cpp` | 8 Boost.Test cases run in CI | Hardcoded seed corruption in `onionseed.h` | Every build |
+| 4. Signed peer discovery | `getwalletaddr` ECDSA handshake + `nSignedPeerBonus` preference | Sybil attackers + ephemeral malicious peers | At runtime |
+
+### Remaining gaps (2026-06-21)
+
+1. **The `btb6` corruption was a one-time data entry error** that
+   snuck in via manual config edit. There's no audit log of when/who
+   introduced it. A signing system would have caught it because the
+   signature wouldn't have matched — but we still don't have signing
+   for *seed list entries* (only for live peers).
+
+2. **The seed list at `seeds.cryptographic-triangles.org` is not
+   cryptographically signed.** A future improvement would be to sign
+   the seed list with the Triangles team key, ship the public key in
+   the binary, and have the daemon verify the signature before
+   importing new seeds. This is the same pattern Bitcoin Core uses
+   for its `chainparams.cpp` checkpoints.
+
+3. **The `getwalletaddr` handshake generates a new receiving key on
+   the peer each call** (see `main.cpp:4814: pwalletMain->GetKeyFromPool`).
+   This is wasteful — we only re-fire it once per peer per connection,
+   but the cost is a new key pool entry. Future work: use a stable
+   node identity key separate from the wallet.
+
@@ -1,123 +0,0 @@
-# TODO/FIXME Documentation
-
-Detailed context for each TODO/FIXME in the codebase.
-
-## Critical (Needs Attention)
-
-### src/rpcmining.cpp:263 - Thread Safety Issue
-```cpp
-static mapNewBlock_t mapNewBlock;    // FIXME: thread safety
-```
-**Issue:** Static variable accessed by multiple RPC threads without mutex protection.
-**Impact:** Potential race condition in getwork RPC (used for mining).
-**Status:** Low priority - PoW mining ended at block 9000, this code path rarely used.
-**Fix:** Add std::mutex and lock_guard if getwork usage increases.
-
-### src/qt/walletmodel.cpp:249 - Collision Risk
-```cpp
-if((total + nFeeRequired) > nBalance) // FIXME: could cause collisions in the future
-```
-**Issue:** Balance check may have edge case causing transaction collisions.
-**Context:** In createTransaction fee calculation loop.
-**Status:** Needs investigation - unclear what "collisions" means here.
-**Fix:** Review Bitcoin Core's current implementation of this logic.
-
-### src/smessage.cpp - File Size Limits
-```cpp
-// Lines 863, 2219, 2373: "TODO files must be split if > 2GB"
-```
-**Issue:** Secure message storage files not split when exceeding 2GB.
-**Impact:** May fail on 32-bit systems or with large message volumes.
-**Status:** Low priority - unlikely to reach 2GB in practice.
-**Fix:** Implement file rotation when approaching 2GB limit.
-
-## Medium Priority (Encapsulation/API)
-
-### src/protocol.h - Make Members Private
-```cpp
-// Lines 50, 100, 132: "TODO: make private (improves encapsulation)"
-```
-**Issue:** CAddress, CInv, CMessageHeader have public data members.
-**Impact:** Poor encapsulation, harder to maintain invariants.
-**Status:** Deferred - would require extensive refactoring.
-**Fix:** Add getter/setter methods, make members private, update all call sites.
-
-### src/wallet.h:378 - nOrderPos Calculation
-```cpp
-nOrderPos = -1; // TODO: calculate elsewhere
-```
-**Issue:** Transaction ordering position calculated in constructor.
-**Impact:** Minor - works but not ideal separation of concerns.
-**Status:** Deferred - no functional issue.
-**Fix:** Move calculation to WalletDB when transaction is added.
-
-### src/rpcwallet.cpp / src/qt/askpassphrasedialog.cpp - SecureString Conversion
-**Issue:** Password-handling paths were converting through `.c_str()` because `SecureString`
-did not have a convenient conversion helper from `std::string`.
-**Impact:** Unnecessary C-string shims in sensitive code paths.
-**Status:** Resolved.
-**Fix:** Added `MakeSecureString(const std::string&)` in `src/allocators.h` and updated
-the wallet RPC and passphrase dialog call sites to use it directly.
-
-## Low Priority (Nice-to-Have)
-
-### src/util.cpp:1322 - Disabled Feature
-```cpp
-// TODO: This is currently disabled because it needs to be verified to work
-```
-**Context:** File descriptor management code.
-**Status:** Intentionally disabled pending verification.
-**Fix:** Test thoroughly, then enable if needed.
-
-### src/tor/tor_embedded.cpp:209 - Tor Shutdown API
-```cpp
-// TODO: Tor 0.4.9+ may add tor_api_shutdown(), use it when available
-```
-**Context:** Embedded Tor cleanup.
-**Status:** Waiting for upstream Tor API.
-**Fix:** Check Tor 0.4.9+ releases for new API, integrate when stable.
-
-### src/init.cpp:442 - Sanity Checks
-```cpp
-// TODO: remaining sanity checks, see #4081
-```
-**Context:** Bitcoin Core issue #4081 - additional startup sanity checks.
-**Status:** Deferred - core checks already in place.
-**Fix:** Review Bitcoin Core's current sanity check implementation.
-
-### src/rpcmining.cpp:232 - DRM Comment
-```cpp
-CDataStream(coinbase, SER_NETWORK, PROTOCOL_VERSION) >> pblock->vtx[0]; // FIXME - DRM!
-```
-**Issue:** Unclear what "DRM" means here - likely "Data Race Maybe"?
-**Status:** Needs clarification from original author.
-**Fix:** Investigate if there's an actual issue, otherwise remove comment.
-
-## Deferred (External/Low Impact)
-
-### LevelDB TODOs (src/leveldb/*)
-**Status:** Upstream LevelDB issues - don't modify embedded library.
-**Action:** None - track upstream LevelDB project.
-
-### Qt TODOs (src/qt/*)
-**Status:** UI improvements, not critical.
-**Action:** Track as nice-to-have enhancements.
-
-### Secure Message TODOs (src/smessage.cpp)
-Multiple minor improvements suggested:
- Include hash in certain operations
- Improve thread shutdown
- Set default recv/recvAnon behavior
- Update outbox after PoW completes
-
-**Status:** Non-critical enhancements.
-**Action:** Consider for future encrypted messaging upgrades.
-
-## Summary
-
-**Critical:** 3 items (thread safety, balance collision, file limits)
-**Medium:** 6 items (encapsulation, SecureString)
-**Low:** 5 items (disabled features, upstream APIs)
-**Deferred:** ~24 items (external libs, minor enhancements)
-
-**Recommendation:** Focus on documenting critical items in code comments, defer fixes until specific issues arise.
@@ -0,0 +1,284 @@
+# Triangles Tor-Native Architecture
+
+**Date:** 2026-03-26  
+**Status:** ✅ IMPLEMENTED & WORKING
+
+---
+
+## What This Is
+
+Triangles is now a **Tor-native proof-of-stake network** where:
+
+- **Every node = Tor hidden service** (.onion address)
+- **All P2P traffic = routed through Tor** (mandatory SOCKS5)
+- **Zero clearnet connections** (IPv4/IPv6 disabled)
+- **Network-layer anonymity = enforced by design**
+
+This is not "Tor support" or "Tor optional" — this is a network that **cannot exist outside Tor**.
+
+---
+
+## Architecture Enforcements
+
+### 1. Mandatory Tor Routing (`init.cpp`)
+
+```cpp
+// Force all network types through Tor SOCKS proxy
+SetProxy(NET_IPV4, torProxyAddr, 5);
+SetProxy(NET_IPV6, torProxyAddr, 5);
+SetProxy(NET_TOR, torProxyAddr, 5);
+SetNameProxy(torProxyAddr, 5);
+
+// Disable clearnet reachability
+SetReachable(NET_IPV4, false);
+SetReachable(NET_IPV6, false);
+SetReachable(NET_TOR, true);
+```
+
+**Result:** No traffic can leave except through Tor.
+
+---
+
+### 2. .onion-Only Peer Filter (`net.cpp`)
+
+```cpp
+// Reject all non-.onion addresses at connection time
+std::string addrStr = pszDest ? std::string(pszDest) : addrConnect.ToStringIP();
+if (addrStr.find(".onion") == std::string::npos) {
+    printf("ConnectNode(): REJECTED non-onion address: %s\n", addrStr.c_str());
+    return NULL;
+}
+```
+
+**Result:** Peers with IP addresses are refused immediately.
+
+---
+
+### 3. Onion-Only DNS Seeds (`net.cpp`)
+
+```cpp
+static const char* strDNSSeed[] = {
+    "7nu7ibx7cnbjy2dohuc2rhzjowruuoq6tyaeuhivepg5ougxrye656yd.onion",
+    "byo5cmef72jtrotvo4lbadlqsciijcws2v5g7c6ligh4pcazolouvvqd.onion",
+};
+```
+
+**Result:** Bootstrap uses .onion seeds only (no DNS, no clearnet fallback).
+
+---
+
+### 4. UPnP Disabled (`init.cpp`)
+
+```cpp
+#ifdef USE_UPNP
+fUseUPnP = false;
+#endif
+```
+
+**Result:** No port forwarding attempts (not needed for hidden services).
+
+---
+
+### 5. Embedded Tor Requirement (`init.cpp`)
+
+```cpp
+if (torStarted) {
+    printf("TOR-NATIVE MODE: All network traffic forced through Tor\n");
+} else {
+    return InitError(_("Tor failed to start. Triangles requires Tor to operate."));
+}
+```
+
+**Result:** If Tor doesn't start, the daemon refuses to run.
+
+---
+
+## What This Achieves
+
+### Privacy Guarantees
+
+| Attack Vector | Protection |
+|---------------|------------|
+| IP address exposure | ✅ Impossible - all traffic through Tor |
+| ISP/network monitoring | ✅ Tor circuits + encryption |
+| Node location tracking | ✅ Hidden service identity only |
+| Clearnet metadata leaks | ✅ Clearnet completely disabled |
+| Peer correlation | ✅ .onion addresses unlinkable to IPs |
+
+---
+
+### Network Properties
+
+- **Identity = .onion address** (56-character Ed25519 v3)
+- **No DNS required** (onion resolution via Tor)
+- **No port forwarding** (hidden services are inbound-accessible)
+- **Global connectivity** (Tor handles NAT traversal)
+- **Censorship resistance** (Tor bridges available)
+
+---
+
+## Testing Verification
+
+### Expected Behavior
+
+1. **Startup:**
+   ```
+   Embedded Tor starting (SOCKS 19099, HS port 24111)...
+   TOR-NATIVE MODE: All network traffic forced through Tor
+     Clearnet disabled - .onion addresses only
+   Tor hidden service: [56-char-onion].onion
+   ```
+
+2. **Connection attempts:**
+   ```
+   SOCKS5 connecting [onion-address].onion
+   trying connection [onion-address].onion:24111
+   ```
+
+3. **No clearnet peers:**
+   ```
+   # This should NOT appear:
+   trying connection 192.168.x.x  ❌
+   trying connection 8.8.8.8      ❌
+   ```
+
+### Test Command
+
+```bash
+./trianglesd -testnet -datadir=/tmp/test
+
+# Check log:
+tail -f /tmp/test/testnet/debug.log | grep -E "TOR-NATIVE|SOCKS5|onion"
+```
+
+---
+
+## Positioning Statement
+
+**Before:**
+> Triangles is a cryptocurrency with Tor support
+
+**After:**
+> **Triangles is a Tor-native proof-of-stake network where all nodes operate as hidden services and all communication is routed through the Tor network, eliminating IP-level identity exposure.**
+
+---
+
+## Implementation Commits
+
+1. `85fe0d0` - Add Tor 0.4.9 as submodule
+2. `de1d4ec` - Fix makefile link order for libtor
+3. `36ade21` - Document embedded Tor success
+4. `fe5a4cb` - **Enforce Tor-native architecture**
+
+---
+
+## Trade-offs
+
+### Pros ✅
+- **Network-layer anonymity** (not optional)
+- **Censorship resistance** (Tor bridges)
+- **No port forwarding** needed
+- **Global connectivity** (NAT traversal via Tor)
+- **Real privacy differentiation** (not marketing)
+
+### Cons ⚠️
+- **Latency** (~300-500ms circuit build time)
+- **Bootstrap dependency** (requires Tor network to be accessible)
+- **Bandwidth** (Tor circuits add overhead)
+- **Seed node requirement** (must run .onion seeds)
+
+---
+
+## Future Work
+
+### Phase 2: Tor Control Port Integration
+
+Currently: Tor runs embedded but without control port management.
+
+**Next:**
+- Connect to Tor control port (127.0.0.1:9051)
+- Use `ADD_ONION` to create hidden service programmatically
+- Persist onion identity across restarts
+- Advertise .onion to network
+
+### Phase 3: End-to-End Encrypted Messaging
+
+Tor provides hop-by-hop encryption. For secure messaging:
+
+- Add E2EE layer on top of Tor
+- Use wallet keys for identity
+- Implement forward secrecy (Double Ratchet)
+
+### Phase 4: Seed Node Infrastructure
+
+- Deploy at least 3 stable .onion seed nodes
+- Consider using `HiddenServiceNonAnonymousMode` for seeds (faster, acceptable for public seeds)
+- Monitor seed health
+
+---
+
+## Security Considerations
+
+### What Tor Provides
+
+- **Circuit-level encryption** (3 hops)
+- **IP address hiding** (exit node sees destination, not origin)
+- **Hidden service anonymity** (rendezvous point protocol)
+
+### What Tor Does NOT Provide
+
+- **End-to-end encryption** (add separately for messaging)
+- **Traffic analysis immunity** (sophisticated adversaries can correlate)
+- **Perfect forward secrecy** (depends on implementation)
+
+### Threat Model
+
+**Protected against:**
+- ISP surveillance
+- Network-level attackers
+- Peer location tracking
+- Passive metadata collection
+
+**NOT protected against:**
+- Global passive adversary (NSA-level)
+- Timing correlation attacks (requires significant resources)
+- Application-level leaks (use Tor Browser principles)
+
+---
+
+## Comparison to Other Projects
+
+| Project | Tor Integration | Enforcement |
+|---------|----------------|-------------|
+| **Triangles** | Embedded, mandatory | ✅ Enforced |
+| Bitcoin | Optional (via `-onlynet=onion`) | ❌ Optional |
+| Monero | Optional (via `--proxy`) | ❌ Optional |
+| Zcash | Optional | ❌ Optional |
+| Verge (XVG) | Embedded | ⚠️ Mixed mode |
+
+**Key difference:** Triangles cannot operate without Tor. The network architecture requires it.
+
+---
+
+## Documentation Updates Needed
+
+1. **README.md** - Update project description
+2. **Build docs** - Add Tor dependency requirements
+3. **FAQ** - Explain why Tor is mandatory
+4. **Whitepaper** - Document privacy architecture
+
+---
+
+## Conclusion
+
+Triangles is no longer "a coin with Tor support" — it's a **Tor-native network**.
+
+This architectural decision makes privacy a fundamental property, not a feature. Clearnet connectivity isn't just discouraged — it's **architecturally impossible**.
+
+For users who value network-layer anonymity, Triangles is now the only cryptocurrency where every single node is guaranteed to be a Tor hidden service.
+
+---
+
+**Implementation:** Complete ✅  
+**Testing:** Verified ✅  
+**Ready for:** Mainnet deployment
@@ -0,0 +1,281 @@
+# Triangles (TRI) RPC Command Reference
+
+This document describes every RPC command available in the Triangles daemon (`trianglesd`) and Qt wallet. Connect via JSON-RPC on port **19112** (default). All commands can also be run from the Qt wallet's debug console.
+
+Triangles is a Tor-only PoS cryptocurrency. PoW ended at block 9000; from block 9001 onward the chain is pure Proof-of-Stake with 33% annual interest (coin-age based). Block time is 2 minutes. Max supply is 2,222,222 TRI.
+
+---
+
+## Server Control
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `help` | `[command]` | List all commands, or get detailed help for a specific command. |
+| `stop` | | Shut down the daemon. |
+
+---
+
+## Blockchain
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `getbestblockhash` | | Returns the hash of the tip of the best chain. |
+| `getblockcount` | | Returns the current block height. |
+| `getblockhash` | `<index>` | Returns the block hash at the given height. |
+| `getblock` | `<hash> [txinfo]` | Returns block details for the given hash. Set `txinfo=true` for full transaction data. |
+| `getblockbynumber` | `<number> [txinfo]` | Same as `getblock` but accepts a height instead of a hash. |
+| `getblockheader` | `<hash> [verbose=true]` | Returns block header data. If verbose is false, returns hex-encoded header. |
+| `getblockchaininfo` | | Returns chain state info: chain name, block height, best hash, difficulty, etc. |
+| `getdifficulty` | | Returns current PoW and PoS difficulty values. |
+| `gettxoutsetinfo` | | Returns statistics about the UTXO set (total txouts, size, etc.). |
+| `getrawmempool` | | Returns all transaction IDs currently in the mempool. |
+| `getcheckpoint` | | Returns info about the current synchronized checkpoint. |
+| `getchaintips` | | Returns info about all known chain tips (forks). |
+| `invalidateblock` | `<hash>` | Permanently marks a block as invalid and rewinds the chain past it. |
+| `reconsiderblock` | `<hash>` | Removes the invalid mark from a previously invalidated block. |
+| `recalculatesupply` | | Recalculates money supply by summing all UTXOs. Updates the stored value at the chain tip and persists to disk. Returns old/new supply and difference. |
+| `settxfee` | `<amount>` | Sets the transaction fee per kB. Amount is rounded to nearest 0.01. |
+| `estimatefee` | `<nblocks>` | Estimates the fee per kB needed for confirmation within `nblocks` blocks. |
+
+---
+
+## Address Index
+
+These commands query the address index. The daemon must be running with `-addressindex=1`.
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `getaddressbalance` | `{"addresses":["addr",...]}` | Returns confirmed balance for the given address(es). |
+| `getaddressutxos` | `{"addresses":["addr",...]}` | Returns all unspent outputs for the given address(es). |
+| `getaddresstxids` | `{"addresses":["addr",...], "start":n, "end":n}` | Returns transaction IDs for the given address(es), optionally filtered by block range. |
+
+---
+
+## Mining & Staking
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `getmininginfo` | | Returns mining-related info: height, difficulty, network hashrate, etc. |
+| `getstakinginfo` | | Returns staking-related info: whether staking is active, weight, expected time to stake, etc. |
+| `getsubsidy` | `[nTarget]` | Returns the PoW subsidy value for the given target height (historical reference only since PoW ended at block 9000). |
+
+---
+
+## Network
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `getconnectioncount` | | Returns the number of peer connections. |
+| `getpeerinfo` | | Returns detailed info about each connected peer (address, version, ping time, etc.). |
+| `getnetworkinfo` | | Returns P2P network state: version, protocol, peer mix, connections, relay fee, etc. |
+| `getseedlist` | | Returns the list of configured seed nodes. |
+| `addnode` | `<node> <add\|remove\|onetry>` | Add or remove a node from the manual peer list, or try connecting once. For Tor nodes use the `.onion` address. |
+| `disconnectnode` | `<node>` | Immediately disconnects from the specified peer. |
+| `sendalert` | `<message> <privatekey> <minver> <maxver> <priority> <id> [cancelupto]` | Broadcasts a network alert (requires the alert master private key). |
+
+---
+
+## Wallet — General
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `getinfo` | | Returns general info: version, balance, stake, block height, connections, etc. |
+| `getwalletinfo` | | Returns wallet-specific info: balance, unconfirmed, immature, txcount, keypoolsize, etc. |
+| `getbalance` | `[account] [minconf=1]` | Returns total available balance (optionally for a specific account). |
+| `checkwallet` | | Checks wallet database for consistency errors. |
+| `repairwallet` | | Attempts to repair the wallet database. |
+| `resendtx` | | Re-broadcasts all unconfirmed wallet transactions. |
+
+---
+
+## Wallet — Addresses & Accounts
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `getnewaddress` | `[account]` | Generates a new receiving address (optionally assigned to an account). |
+| `getnewpubkey` | `[account]` | Returns a new public key for the wallet. |
+| `getaccountaddress` | `<account>` | Returns the current receiving address for the given account. |
+| `setaccount` | `<address> <account>` | Assigns an address to the given account label. |
+| `getaccount` | `<address>` | Returns the account label for the given address. |
+| `getaddressesbyaccount` | `<account>` | Returns all addresses assigned to the given account. |
+| `listaddressgroupings` | | Returns addresses grouped by common ownership (based on transaction history). |
+| `validateaddress` | `<address>` | Validates a Triangles address and returns info (ismine, account, pubkey, etc.). |
+| `validatepubkey` | `<pubkey>` | Validates a Triangles public key. |
+| `listaccounts` | `[minconf=1]` | Returns all account names and their balances. |
+
+---
+
+## Wallet — Sending
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `sendtoaddress` | `<address> <amount> [comment] [comment-to]` | Sends TRI to an address. Returns the transaction ID. |
+| `sendfrom` | `<fromaccount> <address> <amount> [minconf=1] [comment] [comment-to]` | Sends TRI from a specific account. |
+| `sendmany` | `<fromaccount> {"addr":amount,...} [minconf=1] [comment]` | Sends TRI to multiple addresses in a single transaction. |
+| `move` | `<fromaccount> <toaccount> <amount> [minconf=1] [comment]` | Moves funds between accounts (internal bookkeeping only, no on-chain tx). |
+
+---
+
+## Wallet — Transaction History
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `listtransactions` | `[account] [count=10] [from=0]` | Returns the most recent transactions (optionally filtered by account). |
+| `listsinceblock` | `[blockhash] [target-confirmations]` | Returns all transactions since the given block. |
+| `gettransaction` | `<txid>` | Returns detailed info about a wallet transaction. |
+| `getreceivedbyaddress` | `<address> [minconf=1]` | Returns total amount received by an address. |
+| `getreceivedbyaccount` | `<account> [minconf=1]` | Returns total amount received by an account. |
+| `listreceivedbyaddress` | `[minconf=1] [includeempty=false]` | Returns amounts received for each address. |
+| `listreceivedbyaccount` | `[minconf=1] [includeempty=false]` | Returns amounts received for each account. |
+
+---
+
+## Wallet — Staking Control
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `reservebalance` | `[reserve] [amount]` | Show or set a reserve balance that will not be used for staking. `reserve` is true/false, `amount` is the TRI to reserve. |
+
+---
+
+## Wallet — Security
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `encryptwallet` | `<passphrase>` | Encrypts the wallet with the given passphrase. **This shuts down the daemon.** The wallet must be re-started and unlocked afterward. |
+| `walletpassphrase` | `<passphrase> <timeout> [stakingonly]` | Unlocks the wallet for `timeout` seconds. Set `stakingonly=true` to allow staking but prevent sending. |
+| `walletpassphrasechange` | `<oldpassphrase> <newpassphrase>` | Changes the wallet encryption passphrase. |
+| `walletlock` | | Immediately locks the wallet (removes decryption key from memory). |
+| `keypoolrefill` | `[new-size]` | Tops up the pre-generated key pool. |
+| `makekeypair` | `[prefix]` | Generates a new public/private keypair (not added to wallet). |
+
+---
+
+## Wallet — Backup & Import
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `backupwallet` | `<destination>` | Copies `wallet.dat` to the given file path. |
+| `dumpwallet` | `<filename>` | Exports all wallet private keys to a plaintext file. |
+| `dumpprivkey` | `<address>` | Returns the private key (WIF format) for the given address. |
+| `importwallet` | `<filename>` | Imports keys from a wallet dump file. |
+| `importprivkey` | `<privkey> [label]` | Imports a single private key (WIF format) with optional label. |
+
+---
+
+## Wallet — Multisig
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `addmultisigaddress` | `<nrequired> ["key",...] [account]` | Creates an M-of-N multisig address. `nrequired` is the number of signatures needed. |
+| `addredeemscript` | `<redeemScript> [account]` | Adds a P2SH redeem script to the wallet. |
+
+---
+
+## Wallet — Message Signing
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `signmessage` | `<address> <message>` | Signs a message with the private key of the given address. |
+| `verifymessage` | `<address> <signature> <message>` | Verifies a signed message. Returns true/false. |
+
+---
+
+## Raw Transactions
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `listunspent` | `[minconf=1] [maxconf=9999999] ["addr",...]` | Returns unspent transaction outputs, optionally filtered by address and confirmation count. |
+| `createrawtransaction` | `[{"txid":"id","vout":n},...] {"addr":amount,...}` | Creates an unsigned raw transaction from the given inputs and outputs. |
+| `decoderawtransaction` | `<hex>` | Decodes a raw transaction hex string into a JSON object. |
+| `decodescript` | `<hex>` | Decodes a hex-encoded script into human-readable form. |
+| `signrawtransaction` | `<hex> [prevtxs] [privkeys] [sighashtype="ALL"]` | Signs a raw transaction. Can provide previous tx outputs and private keys for offline signing. |
+| `sendrawtransaction` | `<hex>` | Broadcasts a signed raw transaction to the network. Returns the txid. |
+| `getrawtransaction` | `<txid> [verbose=0]` | Returns raw transaction data. Set verbose=1 for decoded JSON output. |
+
+---
+
+## Secure Messaging (SMSG)
+
+Triangles has a built-in encrypted peer-to-peer messaging system. Messages are stored in a DHT-like bucket system and relayed through the network.
+
+| Command | Parameters | Description |
+|---------|-----------|-------------|
+| `smsgenable` | | Enables the secure messaging system. |
+| `smsgdisable` | | Disables the secure messaging system. |
+| `smsgoptions` | `[list\|set <optname> <value>]` | View or change secure messaging options. |
+| `smsglocalkeys` | `[whitelist\|all\|wallet\|recv +/- <addr>\|anon +/- <addr>]` | Manage which local keys participate in secure messaging. |
+| `smsgaddkey` | `<address> <pubkey>` | Adds someone's public key so you can send them encrypted messages. |
+| `smsggetpubkey` | `<address>` | Retrieves the public key for an address (needed to send messages to it). |
+| `smsgsend` | `<fromAddr> <toAddr> <message>` | Sends an encrypted message from one of your addresses to a recipient. |
+| `smsgsendanon` | `<toAddr> <message>` | Sends an anonymous encrypted message (no sender address attached). |
+| `smsginbox` | `[all\|unread\|clear]` | View received secure messages. Default shows unread. |
+| `smsgoutbox` | `[all\|clear]` | View sent secure messages. |
+| `smsgscanchain` | | Scans the blockchain for secure message public keys. |
+| `smsgscanbuckets` | | Scans stored message buckets for messages addressed to your keys. |
+| `smsgbuckets` | `[stats\|dump]` | View secure message bucket statistics or dump contents. |
+| `smsgbroadcast` | `<fromAddr> <message>` | Broadcasts a message to all SMSG participants (not encrypted to a single recipient). |
+
+---
+
+## Quick Reference — Common Tasks
+
+**Check node status:**
+```
+getinfo
+getblockcount
+getconnectioncount
+getstakinginfo
+```
+
+**Check balance and transactions:**
+```
+getbalance
+listtransactions
+```
+
+**Send coins:**
+```
+walletpassphrase "yourpassphrase" 60
+sendtoaddress "TRIaddress" 100
+walletlock
+```
+
+**Unlock for staking only:**
+```
+walletpassphrase "yourpassphrase" 999999999 true
+```
+
+**Add a peer manually (Tor .onion):**
+```
+addnode "abcdef1234567890.onion" "add"
+```
+
+**Export/import a private key:**
+```
+dumpprivkey "TRIaddress"
+importprivkey "5KPrivKeyHere" "mylabel"
+```
+
+**Fix incorrect money supply display:**
+```
+recalculatesupply
+```
+
+**Full reindex (rebuild block index from raw data):**
+```
+trianglesd -reindex
+```
+
+---
+
+## Connection Info
+
+| Setting | Value |
+|---------|-------|
+| Default RPC port | 19112 |
+| Default P2P port | 24112 |
+| Config file (Windows) | `%APPDATA%\triangles\triangles.conf` |
+| Config file (Linux) | `~/.triangles/triangles.conf` |
+| Protocol version | 70205 |
+| Network | Tor-only |
@@ -0,0 +1,159 @@
+# TRI v6 Development Task Queue
+
+*Autonomous development pipeline — Krystie cycles through these continuously.*
+
+## Legend
+- **P0** = Critical (chain broken / users blocked)
+- **P1** = Important (v6 milestone)
+- **P2** = Nice-to-have (polish / optimization)
+- **Status**: TODO | IN-PROGRESS | DONE | BLOCKED
+
+---
+
+## P0 — Immediate (Unblock Chain & Users)
+
+### T001: Fix DNS2 RPC thread crash
+- **Status**: TODO
+- **Depends**: none
+- **Description**: ThreadRPCServer exits on bad auth attempts from external IPs. Need to not kill the RPC thread on individual auth failures.
+- **Files**: `src/rpc.cpp` or `src/bitcoinrpc.cpp`
+- **Acceptance**: RPC stays up even with bad auth attempts; curl JSON-RPC works reliably
+- **Model**: Claude Code or MiniMax M2.7
+
+### T002: Fix DNS2 wallet 0 confirmed balance
+- **Status**: TODO
+- **Depends**: T001 (need reliable RPC)
+- **Description**: Wallet restored from April 20 backup. Shows 11.24 TRI unconfirmed. Need to verify rescan completes and coins mature (520 confirmations) for staking.
+- **Files**: wallet.dat, `src/wallet.cpp`
+- **Acceptance**: Wallet shows confirmed balance after rescan + confirmations
+- **Model**: Krystie (manual investigation, not subagent)
+
+### T003: Fix seeds.txt parsing (only returns 1 address)
+- **Status**: TODO
+- **Depends**: none
+- **Description**: HTTPS fetch of seeds.cryptographic-triangles.org/seeds.txt only returns 1 address. Possible comment parsing bug in net.cpp seed fetch logic.
+- **Files**: `src/net.cpp`, `/var/www/seeds/seeds.txt`
+- **Acceptance**: All 7 onion addresses returned on fetch
+- **Model**: ZAI GLM-5.1
+
+### T004: Fix Sami's PC wallet block 570 stall
+- **Status**: IN-PROGRESS
+- **Depends**: Windows binary build (DONE — built on sami-pc)
+- **Description**: Windows Qt wallet stuck at block 570. GUI bootstrap fix committed (d0fb2dc). New binary built at E:\repos\triangles_v5\build-mingw\bin\triangles-qt.exe. Needs testing.
+- **Acceptance**: Windows wallet syncs past block 570 with bootstrap
+- **Model**: Krystie (manual deployment)
+
+---
+
+## P1 — v6 Core Milestones
+
+### T010: Complete RocksDB runtime testing
+- **Status**: TODO
+- **Depends**: T001
+- **Description**: RocksDB backend compiles clean but never tested with actual blockchain data. Need to: start daemon with `-rocksdb`, let it index chain, verify block lookups work, compare performance vs LevelDB.
+- **Files**: `src/txdb.h`, `src/txdb.cpp`, `src/utxosnapshot.cpp`
+- **Acceptance**: Daemon runs with `-rocksdb` flag, processes blocks, RPC queries return correct data
+- **Model**: MiniMax M2.7
+
+### T011: Wire UTXO snapshot P2P distribution (SnapshotNet)
+- **Status**: TODO
+- **Depends**: T010
+- **Description**: `snapshotnet.cpp` exists but is placeholder. Need to implement: peer advertisement of snapshot availability, chunk transfer protocol, hash verification, integration with bootstrap flow.
+- **Files**: `src/snapshotnet.cpp`, `src/net.cpp`, `src/utxosnapshot.cpp`
+- **Acceptance**: New node can get UTXO snapshot from peers via P2P (not just HTTPS)
+- **Model**: Claude Code + MiniMax M2.7 (architecture + implementation)
+
+### T012: Implement automated checkpoint generation (DESIGN DONE)
+- **Status**: TODO
+- **Depends**: none
+- **Description**: Checkpoints exist through block 2,207,000 but are manually maintained. Need automated checkpoint generation: every N blocks, compute checkpoint hash, push to code or external manifest.
+- **Files**: `src/checkpoints.cpp`, `src/checkpoints.h`
+- **Acceptance**: New checkpoints generated automatically, committed or published
+- **Model**: Claude Code
+
+### T013: GPG signing for bootstrap artifacts
+- **Status**: TODO
+- **Depends**: none
+- **Description**: GPG key created (6913E13610F698183429CE20C2DC60618C85A159). Need to: sign every bootstrap/snapshot artifact on generation, verify signature on download, publish public key.
+- **Files**: `/usr/local/bin/auto-update.sh`, `src/bootstrap.cpp`
+- **Acceptance**: `gpg --verify` works on downloaded artifacts
+- **Model**: ZAI GLM-5.1
+
+### T014: Contabo seed Docker image hardening
+- **Status**: TODO
+- **Depends**: none
+- **Description**: Seeds are running but image is fragile. Need: proper Dockerfile with version pinning, health checks, auto-restart, log shipping, and persistent volumes.
+- **Files**: `/tmp/Dockerfile` on Contabo, `/tri/seed-{1..4}/`
+- **Acceptance**: Seeds survive host reboot, auto-restart on crash, health check endpoint
+- **Model**: ZAI GLM-5.1
+
+### T015: Network health dashboard
+- **Status**: TODO
+- **Depends**: T001, T003
+- **Description**: Operator-facing dashboard showing: block height per node, peer count, staking weight, chain sync status, seed health. Could be a simple web page served from DNS2.
+- **Files**: New — `src/rpcblockchain.cpp` (health endpoint), frontend
+- **Acceptance**: Live page showing all 7 nodes' status updated every 30s
+- **Model**: MiniMax M2.7 (design) + Claude Code (implementation)
+
+### T016: Hetzner ARM64 persistent setup
+- **Status**: TODO
+- **Depends**: none
+- **Description**: Hetzner node is running but manually configured. Need: systemd service, auto-start on boot, bootstrap automation, monitoring.
+- **Files**: systemd unit file on Hetzner
+- **Acceptance**: Node survives reboot, auto-syncs, reports health
+- **Model**: Krystie (manual, it's infra not code)
+
+---
+
+## P2 — Polish & Optimization
+
+### T020: Remove unused Gemini/Google references from codebase
+- **Status**: TODO
+- **Depends**: none
+- **Description**: Clean up any dead code, unused imports, stale comments referencing old architectures.
+- **Model**: ZAI GLM-5.1
+
+### T021: Comprehensive test suite
+- **Status**: TODO
+- **Depends**: T010
+- **Description**: Expand test coverage for: UTXO snapshot load/dump, RocksDB backend, bootstrap download, seed fetch, checkpoint verification.
+- **Files**: `src/test/`
+- **Acceptance**: `test_triangles` passes with < 5 pre-existing failures
+- **Model**: ZAI GLM-5.1 + MiniMax M2.7
+
+### T022: CI/CD pipeline for releases
+- **Status**: TODO
+- **Depends**: none
+- **Description**: GitHub Actions workflow: on tag push, build Linux x86_64 + ARM64 + Windows, create release with all binaries + checksums.
+- **Files**: `.github/workflows/build-all.yml`
+- **Acceptance**: Tag push produces release with 3 platform binaries
+- **Model**: ZAI GLM-5.1
+
+### T023: TRIdock + tri-wallet-web consolidation
+- **Status**: TODO
+- **Depends**: none
+- **Description**: TRIdock and tri-wallet-web appear to be near-duplicates. Evaluate and either consolidate or clearly separate concerns.
+- **Model**: MiniMax M2.7 (analysis)
+
+---
+
+## Completed
+
+### ✅ Windows GUI bootstrap fix (d0fb2dc)
+- Removed `#ifndef QT_GUI` guard so auto-bootstrap runs in GUI wallet
+- Added `uiInterface.InitMessage()` for progress display
+
+### ✅ Windows native build on sami-pc
+- Built `triangles-qt.exe` (26MB) and `trianglesd.exe` via MSYS2/MinGW64
+- All dependencies found natively
+
+### ✅ RocksDB integration complete (ac9c6fb)
+- CActiveTxDB wrapper, dual-backend support, compiles clean
+
+### ✅ All nodes updated to v5.9.7.0
+- DNS2, DNS3, Hetzner, Contabo seeds all running latest
+
+### ✅ Bootstrap infrastructure live
+- HTTPS at bootstrap.cryptographic-triangles.org
+- Tor hidden service serving nginx on port 8085
+- Seeds.txt with 7 onion nodes
@@ -0,0 +1,98 @@
+# Wallet storage: Berkeley DB → SQLite
+
+Goal: retire Berkeley DB as the wallet store and make **SQLite the default**
+wallet backend, with a transparent, non-destructive migration of existing
+`wallet.dat` files. This removes the single ugliest build dependency (BDB 5.3
+with C++ bindings, hand-built on RHEL/MSYS2) and gives the wallet a modern,
+maintainable, single-file store — the kind exchanges expect.
+
+No consensus or wire behavior changes. The on-disk *record encoding* is
+unchanged: keys and values are the exact `SER_DISK / CLIENT_VERSION` bytes
+`CWalletDB` already produces, just stored as `(key BLOB, value BLOB)` rows in
+SQLite instead of Berkeley B-tree entries. That byte-for-byte identity is what
+makes migration a verbatim copy.
+
+## Delivered in this pass
+
+New, self-contained modules (do not disturb the working Berkeley path):
+
+| File | Purpose |
+|------|---------|
+| `src/walletdb-base.h` | Backend-agnostic seam: `WalletDatabase`, `WalletBatch` (raw byte Read/Write/Erase/Has + cursor + txn), `WalletCursor`; `ResolveWalletDbKind()` / `MakeWalletDatabase()` declarations. |
+| `src/walletdb-sqlite.h/.cpp` | `SQLiteDatabase` / `SQLiteBatch` — single `main(key BLOB PRIMARY KEY, value BLOB)` table, `synchronous=FULL`, prepared statements, transactions, cursor, online-backup, `integrity_check`. App-id/user-version stamping to reject foreign DBs. |
+| `src/walletmigrate.h/.cpp` | `MaybeMigrateBerkeleyWalletToSQLite()` — detects a Berkeley `wallet.dat`, copies every record verbatim into a temp SQLite file, verifies the row count, backs up the original to `wallet.dat.bdb.bak`, then swaps SQLite into place. Idempotent and non-destructive. |
+| `src/walletdb-factory.cpp` | `ResolveWalletDbKind()` (default **sqlite**, `-walletdb=bdb` fallback) and `MakeWalletDatabase()` (SQLite implemented). |
+| `src/walletdb-batch.h` | `CWalletBatchTyped` — typed Read/Write/Erase/Exists + cursor over `WalletBatch`, byte-identical to the old `CDB` templates. The drop-in base for `CWalletDB`. |
+
+Build wiring:
+- `find_package(SQLite3 REQUIRED)` in the top-level `CMakeLists.txt`.
+- `SQLite::SQLite3` linked into `triangles_common`; the new sources added to `CORE_SOURCES`.
+
+## Remaining integration (compile-in-the-loop)
+
+The new modules are complete but `CWalletDB` is not yet routed through the seam
+— it still inherits Berkeley `CDB`. This is the mechanical-but-careful step that
+needs a compiler in the loop. **It must be done and landed as one unit** (it
+touches `walletdb.h`, `walletdb.cpp`, `wallet.cpp`, `db.cpp`, and `init.cpp`):
+re-basing ~800 lines of funds-critical code is exactly the kind of change that
+should be compiled and run against a real `wallet.dat` rather than committed
+blind.
+
+1. **Typed wrappers over the batch — DONE.** `src/walletdb-batch.h`
+   (`CWalletBatchTyped`) provides `Read/Write/Erase/Exists` + cursor over a
+   `WalletBatch`, byte-identical to `CDB`'s templates. `CWalletDB` derives from
+   it instead of `CDB`.
+2. **Re-base `CWalletDB`.** Hold a `std::unique_ptr<WalletDatabase>` +
+   `WalletBatch` obtained from `MakeWalletDatabase("wallet.dat", err)` instead of
+   deriving from `CDB`. Route `TxnBegin/Commit/Abort` to the batch.
+3. **Cursors.** Replace `GetAtCursor` / `GetTxnCursor` / `ReadAtCursor`
+   (Berkeley `Dbc*`, `DB_NEXT`) in `walletdb.cpp` (`LoadWallet`,
+   `ReorderTransactions`) with `WalletBatch::GetNewCursor()` + `WalletCursor::Next()`.
+4. **Berkeley-specific call sites.**
+   - `BackupWallet()` / `AutoBackupWallet()` → `WalletDatabase::Backup()`.
+   - `CDB::Rewrite()` (used by `CWallet::EncryptWallet`) → `WalletDatabase::Rewrite()`
+     (VACUUM). Unencrypted-key cleanup already happens via explicit `Erase`.
+   - `bitdb.Flush()` / env shutdown in `init.cpp` → `WalletDatabase::Flush()/Close()`
+     (no-op for SQLite).
+5. **Berkeley behind the same seam (optional but recommended).** Add a thin
+   `BerkeleyDatabase`/`BerkeleyBatch` adapter wrapping the existing `CDBEnv`/`CDB`
+   so `-walletdb=bdb` routes through `MakeWalletDatabase` too, instead of the
+   legacy path. Keeps one code path for one release, then delete BDB entirely.
+6. **Run the migration on startup.** In `init.cpp`, before the wallet is loaded
+   and when the backend is SQLite, call
+   `MaybeMigrateBerkeleyWalletToSQLite(GetDataDir()/strWalletFileName, err)`.
+
+## Gating
+
+```
+trianglesd                 # SQLite (default)
+trianglesd -walletdb=bdb   # Berkeley fallback (retained for one release)
+```
+
+## Validation checklist (must pass before release)
+
+Cannot be verified without a build + a real wallet. Run on a node:
+
+1. **Build** with `-DBUILD_TESTS=ON`; confirm SQLite is found and linked.
+2. **Fresh wallet**: start with no wallet → a SQLite `wallet.dat` is created;
+   `getnewaddress`, `getinfo` work; restart preserves keys/balance.
+3. **Migration**: copy a real Berkeley `wallet.dat` into the datadir, start the
+   node. Confirm: `wallet.dat.bdb.bak` is created, `wallet.dat` is now SQLite
+   (`sqlite3 wallet.dat "PRAGMA integrity_check;"` → `ok`), and
+   `listaddressgroupings` / `getbalance` / `dumpwallet` match a `-walletdb=bdb`
+   run against the `.bdb.bak` original.
+4. **Key parity**: `dumpwallet` before (bdb) and after (sqlite); diff must be
+   empty (same keys, labels, metadata, HD seed).
+5. **Encryption**: `encryptwallet`, restart, `walletpassphrase`, sign/spend.
+6. **Backup/restore**: `backupwallet`, restore into a fresh datadir, verify
+   balance and spend.
+7. **Send/receive + staking** over a few blocks; confirm new keys/txns persist
+   across restart.
+8. **Crash safety**: kill -9 mid-write; restart; `integrity_check` ok, no loss.
+
+## Follow-ups
+
+- Add `test_wallet_sqlite` unit tests (round-trip, migration parity, cursor).
+- Once SQLite is validated for a release, remove `-walletdb=bdb`, delete
+  `db.cpp`/`walletdb`'s Berkeley code, and drop the `BerkeleyDB` CMake
+  dependency — completing the retirement.
@@ -0,0 +1,97 @@
+# cmake/AddCompilerFlags.cmake
+# Shared compiler and linker flag configuration for all Triangles targets.
+
+# ── Common warning flags ──
+add_compile_options(
+    -Wall -Wextra -Wno-ignored-qualifiers
+    -Wformat -Wformat-security -Wno-unused-parameter
+)
+
+# ── Common defines ──
+add_compile_definitions(
+    BOOST_SPIRIT_THREADSAFE
+    BOOST_THREAD_USE_LIB
+    BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
+    BOOST_BIND_GLOBAL_PLACEHOLDERS
+    __NO_SYSTEM_INCLUDES
+)
+
+# ── Hardening (non-Windows) ──
+if(NOT WIN32)
+    # Ubuntu bug #691722 workaround: reset before re-enabling
+    add_compile_options(-fno-stack-protector)
+    add_compile_options(-fstack-protector-all -Wstack-protector)
+    add_compile_definitions(_FORTIFY_SOURCE=2)
+    # -z relro/now is ELF-only (Linux); macOS linker doesn't support it
+    if(NOT APPLE)
+        add_link_options(-Wl,-z,relro -Wl,-z,now)
+    endif()
+endif()
+
+# ── PIE (position-independent executables) ──
+if(ENABLE_PIE AND NOT WIN32)
+    add_compile_options(-fPIE)
+    add_link_options(-pie)
+endif()
+
+# ── Optimization override ──
+if(USE_O3)
+    string(REPLACE "-O2" "-O3" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
+    string(REPLACE "-O2" "-O3" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
+    string(REPLACE "-O2" "-O3" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
+    string(REPLACE "-O2" "-O3" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
+endif()
+
+# ── 32-bit SSE2 ──
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "i[3-6]86")
+    add_compile_options(-msse2)
+endif()
+
+# ── x86-64 baseline ISA (portability across CPU vendors/models) ──
+# CRITICAL: Without this, GCC on Intel CI runners (Skylake-X, Ice Lake,
+# Sapphire Rapids) emits AVX-512 / AVX10 instructions (vmovdqu8, vpcompressd,
+# vpopcntd, etc.) for std::string / memcpy inlining that CRASH with SIGILL
+# on AMD EPYC (Milan, Genoa) and older Intel without AVX-512/AVX10.
+# x86-64-v2 = baseline from ~2009 (Nehalem): SSE4.2 + POPCNT + CMPXCHG16B.
+# Supported on EVERY x86_64 CPU Triangles runs on in production (DNS2, DNS3,
+# Hetzner ARM64 excluded — that's a different build). Do NOT raise to v3
+# (AVX2) without re-testing on every supported CPU; v3 is fine for most
+# modern hardware but adds risk on edge cases (early Ryzen, Atom).
+# Override with -DCMAKE_X86_64_BASELINE=OFF to disable (not recommended).
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|amd64|AMD64)$" AND NOT WIN32 AND NOT APPLE)
+    option(CMAKE_X86_64_BASELINE
+        "Compile with -march=x86-64-v2 (SSE4.2 baseline) for portability across CPU vendors"
+        ON)
+    if(CMAKE_X86_64_BASELINE)
+        add_compile_options(-march=x86-64-v2)
+        # -mtune=generic tells GCC the binary will run on CPUs other than the
+        # build host. Combined with -march=x86-64-v2 above, the scheduler
+        # picks instructions from the v2 subset only — no AVX-512 leaks.
+        add_compile_options(-mtune=generic)
+    endif()
+endif()
+
+# ── Platform: Windows (MSYS2 MinGW64) ──
+if(WIN32)
+    add_compile_options(-Wa,-mbig-obj)
+    add_compile_options(-Wno-deprecated-declarations -Wno-reserved-user-defined-literal)
+    add_link_options(-static -static-libgcc -static-libstdc++)
+    add_compile_definitions(WIN32 _MT)
+endif()
+
+# ── Platform: macOS ──
+if(APPLE)
+    set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0" CACHE STRING "Minimum macOS version")
+    add_compile_options(-Wno-reserved-user-defined-literal -Wno-deprecated-declarations)
+    add_compile_definitions(MAC_OSX MSG_NOSIGNAL=0)
+endif()
+
+# ── Platform: Linux ──
+if(UNIX AND NOT APPLE)
+    add_compile_definitions(LINUX)
+endif()
+
+# ── Static linking (Linux release builds) ──
+if(ENABLE_STATIC AND UNIX AND NOT APPLE)
+    add_link_options(-static)
+endif()
@@ -0,0 +1,28 @@
+# cmake/BuildLevelDB.cmake
+# Builds the bundled LevelDB via its native CMake sub-build.
+# Exposes leveldb_lib, leveldb_memenv, leveldb_bundled, and build_leveldb.
+
+set(LEVELDB_SOURCE_DIR "${CMAKE_SOURCE_DIR}/src/leveldb")
+set(LEVELDB_BINARY_DIR "${CMAKE_BINARY_DIR}/leveldb")
+
+if(NOT TARGET leveldb_lib)
+    add_subdirectory("${LEVELDB_SOURCE_DIR}" "${LEVELDB_BINARY_DIR}")
+endif()
+
+# Pin bundled LevelDB to C++17. It only needs C++11 (declared via its own
+# target_compile_features) but inherits CMAKE_CXX_STANDARD=20 from the
+# top-level project, where some of its atomic-enum syntax
+# (std::memory_order::memory_order_relaxed) becomes a hard error.
+foreach(_leveldb_target leveldb_lib leveldb_memenv)
+    if(TARGET ${_leveldb_target})
+        set_target_properties(${_leveldb_target} PROPERTIES
+            CXX_STANDARD 17
+            CXX_STANDARD_REQUIRED ON
+            CXX_EXTENSIONS OFF
+        )
+    endif()
+endforeach()
+
+if(NOT TARGET build_leveldb)
+    add_custom_target(build_leveldb DEPENDS leveldb_lib leveldb_memenv)
+endif()
@@ -0,0 +1,51 @@
+# cmake/FindBerkeleyDB.cmake
+# Finds Berkeley DB C++ headers and library.
+#
+# User can set BDB_INCLUDE_PATH and BDB_LIB_PATH to guide search.
+#
+# Creates imported target: BerkeleyDB::BerkeleyDB
+# Sets: BerkeleyDB_FOUND, BerkeleyDB_INCLUDE_DIR, BerkeleyDB_LIBRARY
+
+find_path(BerkeleyDB_INCLUDE_DIR
+    NAMES db_cxx.h
+    HINTS
+        ${BDB_INCLUDE_PATH}
+        ENV BDB_INCLUDE_PATH
+    PATHS
+        /opt/homebrew/opt/berkeley-db@5/include
+        /opt/homebrew/opt/berkeley-db/include
+        /usr/include/db5
+        /usr/local/include/db5
+        /usr/include
+        /usr/local/include
+        C:/msys64/mingw64/include
+)
+
+find_library(BerkeleyDB_LIBRARY
+    NAMES db_cxx db_cxx-5 db_cxx-5.3 db_cxx-4.8
+    HINTS
+        ${BDB_LIB_PATH}
+        ENV BDB_LIB_PATH
+    PATHS
+        /opt/homebrew/opt/berkeley-db@5/lib
+        /opt/homebrew/opt/berkeley-db/lib
+        /usr/lib/x86_64-linux-gnu
+        /usr/lib
+        /usr/local/lib
+        C:/msys64/mingw64/lib
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(BerkeleyDB
+    REQUIRED_VARS BerkeleyDB_LIBRARY BerkeleyDB_INCLUDE_DIR
+)
+
+if(BerkeleyDB_FOUND AND NOT TARGET BerkeleyDB::BerkeleyDB)
+    add_library(BerkeleyDB::BerkeleyDB UNKNOWN IMPORTED)
+    set_target_properties(BerkeleyDB::BerkeleyDB PROPERTIES
+        IMPORTED_LOCATION "${BerkeleyDB_LIBRARY}"
+        INTERFACE_INCLUDE_DIRECTORIES "${BerkeleyDB_INCLUDE_DIR}"
+    )
+endif()
+
+mark_as_advanced(BerkeleyDB_INCLUDE_DIR BerkeleyDB_LIBRARY)
@@ -0,0 +1,46 @@
+# cmake/FindLibevent.cmake
+# Finds libevent headers and library.
+#
+# User can set EVENT_INCLUDE_PATH and EVENT_LIB_PATH.
+#
+# Creates imported target: Libevent::Libevent
+
+find_path(Libevent_INCLUDE_DIR
+    NAMES event2/event.h
+    HINTS
+        ${EVENT_INCLUDE_PATH}
+        ENV EVENT_INCLUDE_PATH
+    PATHS
+        /opt/homebrew/include
+        /usr/include
+        /usr/local/include
+        C:/msys64/mingw64/include
+)
+
+find_library(Libevent_LIBRARY
+    NAMES event libevent
+    HINTS
+        ${EVENT_LIB_PATH}
+        ENV EVENT_LIB_PATH
+    PATHS
+        /opt/homebrew/lib
+        /usr/lib/x86_64-linux-gnu
+        /usr/lib
+        /usr/local/lib
+        C:/msys64/mingw64/lib
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Libevent
+    REQUIRED_VARS Libevent_LIBRARY Libevent_INCLUDE_DIR
+)
+
+if(Libevent_FOUND AND NOT TARGET Libevent::Libevent)
+    add_library(Libevent::Libevent UNKNOWN IMPORTED)
+    set_target_properties(Libevent::Libevent PROPERTIES
+        IMPORTED_LOCATION "${Libevent_LIBRARY}"
+        INTERFACE_INCLUDE_DIRECTORIES "${Libevent_INCLUDE_DIR}"
+    )
+endif()
+
+mark_as_advanced(Libevent_INCLUDE_DIR Libevent_LIBRARY)
@@ -0,0 +1,46 @@
+# cmake/FindMiniupnpc.cmake
+# Finds miniupnpc headers and library.
+#
+# User can set MINIUPNPC_INCLUDE_PATH and MINIUPNPC_LIB_PATH.
+#
+# Creates imported target: Miniupnpc::Miniupnpc
+
+find_path(Miniupnpc_INCLUDE_DIR
+    NAMES miniupnpc/miniupnpc.h
+    HINTS
+        ${MINIUPNPC_INCLUDE_PATH}
+        ENV MINIUPNPC_INCLUDE_PATH
+    PATHS
+        /opt/homebrew/include
+        /usr/include
+        /usr/local/include
+        C:/msys64/mingw64/include
+)
+
+find_library(Miniupnpc_LIBRARY
+    NAMES miniupnpc
+    HINTS
+        ${MINIUPNPC_LIB_PATH}
+        ENV MINIUPNPC_LIB_PATH
+    PATHS
+        /opt/homebrew/lib
+        /usr/lib/x86_64-linux-gnu
+        /usr/lib
+        /usr/local/lib
+        C:/msys64/mingw64/lib
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Miniupnpc
+    REQUIRED_VARS Miniupnpc_LIBRARY Miniupnpc_INCLUDE_DIR
+)
+
+if(Miniupnpc_FOUND AND NOT TARGET Miniupnpc::Miniupnpc)
+    add_library(Miniupnpc::Miniupnpc UNKNOWN IMPORTED)
+    set_target_properties(Miniupnpc::Miniupnpc PROPERTIES
+        IMPORTED_LOCATION "${Miniupnpc_LIBRARY}"
+        INTERFACE_INCLUDE_DIRECTORIES "${Miniupnpc_INCLUDE_DIR}"
+    )
+endif()
+
+mark_as_advanced(Miniupnpc_INCLUDE_DIR Miniupnpc_LIBRARY)
@@ -0,0 +1,38 @@
+# cmake/FindQRencode.cmake
+# Finds libqrencode headers and library.
+#
+# Creates imported target: QRencode::QRencode
+
+find_path(QRencode_INCLUDE_DIR
+    NAMES qrencode.h
+    PATHS
+        /opt/homebrew/include
+        /usr/include
+        /usr/local/include
+        C:/msys64/mingw64/include
+)
+
+find_library(QRencode_LIBRARY
+    NAMES qrencode
+    PATHS
+        /opt/homebrew/lib
+        /usr/lib/x86_64-linux-gnu
+        /usr/lib
+        /usr/local/lib
+        C:/msys64/mingw64/lib
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(QRencode
+    REQUIRED_VARS QRencode_LIBRARY QRencode_INCLUDE_DIR
+)
+
+if(QRencode_FOUND AND NOT TARGET QRencode::QRencode)
+    add_library(QRencode::QRencode UNKNOWN IMPORTED)
+    set_target_properties(QRencode::QRencode PROPERTIES
+        IMPORTED_LOCATION "${QRencode_LIBRARY}"
+        INTERFACE_INCLUDE_DIRECTORIES "${QRencode_INCLUDE_DIR}"
+    )
+endif()
+
+mark_as_advanced(QRencode_INCLUDE_DIR QRencode_LIBRARY)
@@ -0,0 +1,19 @@
+# cmake/GenerateBuildInfo.cmake
+# Sets up a custom target that generates build.h from git describe,
+# equivalent to share/genbuild.sh.
+
+set(BUILD_HEADER_DIR "${CMAKE_BINARY_DIR}/generated")
+set(BUILD_HEADER     "${BUILD_HEADER_DIR}/build.h")
+file(MAKE_DIRECTORY  "${BUILD_HEADER_DIR}")
+
+# Custom command runs on every build to regenerate build.h if git state changed
+add_custom_target(generate_build_info ALL
+    COMMAND ${CMAKE_COMMAND}
+        -DSOURCE_DIR=${CMAKE_SOURCE_DIR}
+        -DOUTPUT_FILE=${BUILD_HEADER}
+        -P "${CMAKE_SOURCE_DIR}/cmake/GenerateBuildInfoScript.cmake"
+    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+    COMMENT "Generating build.h from git describe..."
+    BYPRODUCTS "${BUILD_HEADER}"
+    VERBATIM
+)
@@ -0,0 +1,96 @@
+# cmake/GenerateBuildInfoScript.cmake
+# Called at build time by the custom target in GenerateBuildInfo.cmake.
+# Reads the version from clientversion.h (single source of truth) and
+# appends git commit info for non-release builds.
+
+# Read existing build.h first line if it exists
+set(OLD_LINE "")
+if(EXISTS "${OUTPUT_FILE}")
+    file(STRINGS "${OUTPUT_FILE}" _lines LIMIT_COUNT 1)
+    if(_lines)
+        list(GET _lines 0 OLD_LINE)
+    endif()
+endif()
+
+# ── Read version from clientversion.h ──
+file(STRINGS "${SOURCE_DIR}/src/clientversion.h" _ver_lines)
+foreach(_line ${_ver_lines})
+    if(_line MATCHES "^#define CLIENT_VERSION_MAJOR +([0-9]+)")
+        set(VER_MAJOR "${CMAKE_MATCH_1}")
+    elseif(_line MATCHES "^#define CLIENT_VERSION_MINOR +([0-9]+)")
+        set(VER_MINOR "${CMAKE_MATCH_1}")
+    elseif(_line MATCHES "^#define CLIENT_VERSION_REVISION +([0-9]+)")
+        set(VER_REVISION "${CMAKE_MATCH_1}")
+    elseif(_line MATCHES "^#define CLIENT_VERSION_BUILD +([0-9]+)")
+        set(VER_BUILD "${CMAKE_MATCH_1}")
+    endif()
+endforeach()
+
+set(BASE_VERSION "v${VER_MAJOR}.${VER_MINOR}.${VER_REVISION}.${VER_BUILD}")
+
+# ── Get git commit info (suffix only, not the version number) ──
+set(GIT_SUFFIX "")
+
+# Get short commit hash
+execute_process(
+    COMMAND git rev-parse --short HEAD
+    WORKING_DIRECTORY "${SOURCE_DIR}"
+    OUTPUT_VARIABLE GIT_HASH
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_QUIET
+    RESULT_VARIABLE _result
+)
+
+if(_result EQUAL 0 AND GIT_HASH)
+    # Check if working directory is dirty
+    execute_process(
+        COMMAND git diff-index --quiet HEAD --
+        WORKING_DIRECTORY "${SOURCE_DIR}"
+        RESULT_VARIABLE _dirty
+    )
+
+    # Check if HEAD is exactly on a tag matching our version
+    execute_process(
+        COMMAND git describe --tags --exact-match HEAD
+        WORKING_DIRECTORY "${SOURCE_DIR}"
+        OUTPUT_VARIABLE GIT_TAG
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        ERROR_QUIET
+        RESULT_VARIABLE _tag_result
+    )
+
+    set(_on_release_tag FALSE)
+    if(_tag_result EQUAL 0 AND GIT_TAG STREQUAL "${BASE_VERSION}")
+        set(_on_release_tag TRUE)
+    endif()
+
+    # Only add git suffix for non-release builds (not on exact version tag, or dirty)
+    if(NOT _on_release_tag OR NOT _dirty EQUAL 0)
+        set(GIT_SUFFIX "-g${GIT_HASH}")
+        if(NOT _dirty EQUAL 0)
+            set(GIT_SUFFIX "${GIT_SUFFIX}-dirty")
+        endif()
+    endif()
+endif()
+
+set(FULL_VERSION "${BASE_VERSION}${GIT_SUFFIX}")
+
+# Get commit timestamp
+execute_process(
+    COMMAND git log -n 1 --format=%ci
+    WORKING_DIRECTORY "${SOURCE_DIR}"
+    OUTPUT_VARIABLE GIT_TIME
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_QUIET
+)
+
+# Build new content
+set(NEW_LINE "#define BUILD_DESC \"${FULL_VERSION}\"")
+
+# Only write if changed
+if(NOT "${OLD_LINE}" STREQUAL "${NEW_LINE}")
+    file(WRITE "${OUTPUT_FILE}"
+        "${NEW_LINE}\n"
+        "#define BUILD_DATE \"${GIT_TIME}\"\n"
+    )
+endif()
@@ -0,0 +1,70 @@
+# CMake toolchain file for cross-compiling Triangles for Windows x64 using MinGW on Linux
+# Usage: cmake -DCMAKE_TOOLCHAIN_FILE=cmake/mingw64.cmake -B build-mingw -S .
+
+set(CMAKE_SYSTEM_NAME Windows)
+set(CMAKE_SYSTEM_PROCESSOR x86_64)
+
+# MinGW toolchain
+set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
+set(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++)
+set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
+
+# Search for programs only in the build host directories
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+
+# Search for libraries and headers only in the staging directory
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+# Staging prefix — all dependencies installed here
+set(DEP_PREFIX "${CMAKE_SOURCE_DIR}/deps-mingw")
+
+# Windows libraries
+set(CMAKE_LIBRARY_PATH "${DEP_PREFIX}/lib")
+
+# Include directories
+set(CMAKE_INCLUDE_PATH "${DEP_PREFIX}/include")
+
+# Windows sysroot (MinGW libraries, headers, and tools)
+set(MINGW_SYSROOT /usr/x86_64-w64-mingw32)
+
+# Don't search the host system for programs
+set(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32 ${DEP_PREFIX})
+
+# For find_package(OpenSSL), find_package(Boost), etc.
+# Only search deps-mingw and MinGW sysroot — NOT the host system
+set(CMAKE_SYSROOT "${MINGW_SYSROOT}")
+set(OPENSSL_ROOT_DIR "${DEP_PREFIX}")
+set(BOOST_ROOT "${DEP_PREFIX}")
+set(CMAKE_PREFIX_PATH "${DEP_PREFIX}")
+
+# Critical: prevent Linux host headers from leaking into MinGW compilation
+# The MinGW cross-compiler should ONLY see MinGW and deps headers
+set(CMAKE_C_STANDARD_INCLUDE_DIRECTORIES "")
+set(CMAKE_CXX_STANDARD_INCLUDE_DIRECTORIES "")
+
+# Add MinGW and deps include paths explicitly
+include_directories(BEFORE SYSTEM
+  "${DEP_PREFIX}/include"
+  "${MINGW_SYSROOT}/include"
+  "${MINGW_SYSROOT}/include/c++"
+  "${MINGW_SYSROOT}/include/sec_api"
+)
+
+# Set output directories
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
+
+# C++20 for the project
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Build settings
+set(BUILD_DAEMON ON)
+set(BUILD_QT OFF)
+set(BUILD_TESTS OFF)
+set(USE_UPNP OFF)
+set(USE_QRCODE OFF)
+set(USE_ZMQ OFF)
+set(USE_DBUS OFF)
+set(USE_TOR_EMBEDDED OFF)
@@ -0,0 +1,84 @@
+# Chain DB benchmark harness
+
+Measures `FastImportBlockFile()` speed under each chain-DB backend
+(LevelDB vs RocksDB) using a user-supplied `blk0001.dat` block stream.
+
+## Prerequisites
+
+- A `trianglesd` binary (RocksDB is now a hard build dep, both backends are
+  always available):
+  ```
+  cmake -B build -G Ninja \
+      -DCMAKE_BUILD_TYPE=Release \
+      -DBUILD_QT=OFF \
+      -DBUILD_DAEMON=ON
+  cmake --build build
+  ```
+- An `blk0001.dat` file (old-style block stream). If you have a synced
+  node, copy `~/.triangles/blk0001.dat` (Linux) or `%APPDATA%\triangles\blk0001.dat` (Windows).
+- Free disk space: ~3× the size of `blk0001.dat` per backend run
+  (raw blocks + chain DB index + working space).
+
+## Usage
+
+```bash
+contrib/bench/bench-chaindb.sh \
+  --binary=$(pwd)/build/bin/trianglesd \
+  --bootstrap=/path/to/blk0001.dat
+```
+
+Runs each backend in turn, appends a CSV row to `./bench-results.csv`,
+and prints a summary to stdout. Default `--dbcache=2048` (MB).
+
+### Options
+
+| Flag | Default | Notes |
+| --- | --- | --- |
+| `--binary=PATH` | (required) | Path to `trianglesd` |
+| `--bootstrap=PATH` | (required) | Path to `blk0001.dat` |
+| `--backends=LIST` | `leveldb,rocksdb` | Comma-separated subset |
+| `--workdir=DIR` | `/tmp/triangles-bench-XXXXXX` | Per-backend datadirs go here |
+| `--dbcache=MB` | `2048` | Chain DB cache size |
+| `--results-csv=FILE` | `./bench-results.csv` | Appended to |
+| `--keep-datadirs` | off | Preserve datadirs after run for inspection |
+| `--rpc-port=BASE` | `19112` | Each backend uses `BASE+offset` |
+
+## What it measures
+
+| Column | Source |
+| --- | --- |
+| `wall_ms` | The daemon's own log line: `FastImportBlockFile: indexed N blocks in Mms` |
+| `peak_rss_kb` | `ps -o rss=` sampled once per second |
+| `datadir_bytes` | `du -sb` of the working datadir (includes `blk0001.dat`) |
+| `blocks_indexed` | Parsed from the same log line |
+
+## What it does not measure
+
+- Network IBD (peer fetch, header sync) — this is pure DB ingest.
+- UTXO snapshot load — `LoadSnapshot` is currently rocksdb-guarded
+  (see `src/utxosnapshot.cpp`); will be unblocked when LevelDB is retired.
+- Reorg cost — separate test, not yet implemented.
+- Disk I/O bytes (read/written) — could be added with `iostat` integration.
+
+## Interpreting results
+
+A meaningful comparison requires both rows to have run on the same machine
+with the same `blk0001.dat`. The `host` column makes mixing runs across
+machines visible in the CSV.
+
+Backend-relevant size comparisons should subtract `bootstrap_size_bytes`
+from `datadir_bytes` to isolate the chain DB tree.
+
+## One-liners
+
+```bash
+# LevelDB only
+./bench-chaindb.sh --binary=... --bootstrap=... --backends=leveldb
+
+# Compare 2GB vs 4GB cache on RocksDB
+./bench-chaindb.sh --binary=... --bootstrap=... --backends=rocksdb --dbcache=2048
+./bench-chaindb.sh --binary=... --bootstrap=... --backends=rocksdb --dbcache=4096
+
+# Keep the datadirs for poking around afterwards
+./bench-chaindb.sh --binary=... --bootstrap=... --keep-datadirs
+```
@@ -0,0 +1,217 @@
+#!/usr/bin/env bash
+# Benchmark FastImportBlockFile() speed across chain-DB backends.
+#
+# Reads a user-supplied blk0001.dat (old-style block stream) and times the
+# full block-index rebuild under each backend. Output: a CSV row per backend
+# with wall time, peak RSS, and resulting datadir size on disk.
+#
+# Usage:
+#   ./bench-chaindb.sh \
+#     --binary=/path/to/trianglesd \
+#     --bootstrap=/path/to/blk0001.dat \
+#     [--backends=leveldb,rocksdb]       default: both
+#     [--workdir=/tmp/triangles-bench]   parent dir for per-backend datadirs
+#     [--dbcache=2048]                   in MB
+#     [--results-csv=./bench-results.csv]
+#     [--keep-datadirs]                  preserve datadirs after run
+#     [--rpc-port=BASE]                  default 19112; each run uses BASE+offset
+#
+# Notes:
+#   - RocksDB is a hard build dep, so any current trianglesd has both backends.
+#   - This script does not assume Tor is configured. It launches with -nolisten
+#     and -connect=0 to keep the run network-isolated.
+#   - Wall time comes from the daemon's own perf log line:
+#         "FastImportBlockFile: indexed N blocks in Mms"
+#   - Peak RSS is sampled via `ps -o rss=` once a second.
+
+set -euo pipefail
+
+# ── Defaults ────────────────────────────────────────────────────────────────
+BINARY=""
+BOOTSTRAP=""
+BACKENDS="leveldb,rocksdb"
+WORKDIR=""
+DBCACHE=2048
+RESULTS_CSV="./bench-results.csv"
+KEEP=0
+RPC_BASE=19112
+
+# ── Arg parsing ─────────────────────────────────────────────────────────────
+for arg in "$@"; do
+    case "$arg" in
+        --binary=*)         BINARY="${arg#*=}" ;;
+        --bootstrap=*)      BOOTSTRAP="${arg#*=}" ;;
+        --backends=*)       BACKENDS="${arg#*=}" ;;
+        --workdir=*)        WORKDIR="${arg#*=}" ;;
+        --dbcache=*)        DBCACHE="${arg#*=}" ;;
+        --results-csv=*)    RESULTS_CSV="${arg#*=}" ;;
+        --keep-datadirs)    KEEP=1 ;;
+        --rpc-port=*)       RPC_BASE="${arg#*=}" ;;
+        -h|--help)
+            sed -n '2,28p' "$0" | sed 's/^# \?//'
+            exit 0 ;;
+        *)
+            echo "Unknown argument: $arg" >&2
+            exit 2 ;;
+    esac
+done
+
+[ -n "$BINARY" ]    || { echo "--binary is required" >&2; exit 2; }
+[ -n "$BOOTSTRAP" ] || { echo "--bootstrap is required" >&2; exit 2; }
+[ -x "$BINARY" ]    || { echo "Binary not executable: $BINARY" >&2; exit 2; }
+[ -f "$BOOTSTRAP" ] || { echo "Bootstrap file not found: $BOOTSTRAP" >&2; exit 2; }
+
+if [ -z "$WORKDIR" ]; then
+    WORKDIR="$(mktemp -d -t triangles-bench-XXXXXX)"
+fi
+mkdir -p "$WORKDIR"
+echo "Workdir: $WORKDIR"
+
+# ── CSV header (only if file is new) ───────────────────────────────────────
+if [ ! -f "$RESULTS_CSV" ]; then
+    echo "timestamp,backend,bootstrap_size_bytes,dbcache_mb,blocks_indexed,wall_ms,peak_rss_kb,datadir_bytes,binary,host" > "$RESULTS_CSV"
+fi
+
+bootstrap_size="$(stat -c%s "$BOOTSTRAP" 2>/dev/null || stat -f%z "$BOOTSTRAP")"
+host="$(hostname)"
+ts_run="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+
+# ── Per-backend run ─────────────────────────────────────────────────────────
+run_backend() {
+    local backend="$1"
+    local idx="$2"
+    local datadir="$WORKDIR/$backend"
+    local rpc_port=$((RPC_BASE + idx))
+    local rss_log="$WORKDIR/$backend.rss.log"
+
+    echo
+    echo "════════════════════════════════════════════════════════════════════"
+    echo "  Backend: $backend  (datadir: $datadir, rpcport: $rpc_port)"
+    echo "════════════════════════════════════════════════════════════════════"
+
+    # Fresh datadir, copy bootstrap into place. FastImportBlockFile() picks
+    # this up automatically when the block index is empty.
+    rm -rf "$datadir"
+    mkdir -p "$datadir"
+    cp "$BOOTSTRAP" "$datadir/blk0001.dat"
+
+    # Minimal config — disable network so we measure only the import path.
+    cat > "$datadir/triangles.conf" <<EOF
+chaindb=$backend
+dbcache=$DBCACHE
+nolisten=1
+connect=0
+rpcuser=bench
+rpcpassword=bench
+rpcport=$rpc_port
+debug=1
+printtoconsole=0
+EOF
+
+    # Launch in background. -daemon would daemonize but we want to track the
+    # process tree; run in foreground and background it ourselves so we keep
+    # the PID for RSS sampling and clean shutdown.
+    local pid
+    "$BINARY" -datadir="$datadir" -conf="triangles.conf" >"$datadir/stdout.log" 2>&1 &
+    pid=$!
+    echo "Launched $backend (pid $pid)"
+
+    # RSS sampler: log peak every second to a file.
+    (
+        while kill -0 "$pid" 2>/dev/null; do
+            ps -o rss= -p "$pid" 2>/dev/null | tr -d ' ' >> "$rss_log" || true
+            sleep 1
+        done
+    ) &
+    local sampler_pid=$!
+
+    # Watch for "FastImportBlockFile: indexed N blocks in Mms" in the daemon's
+    # debug.log, which is the deterministic completion signal.
+    local debug_log="$datadir/debug.log"
+    local wait_start
+    wait_start="$(date +%s)"
+    local timeout_s=86400  # 24 hours hard cap
+    local indexed_line=""
+    while :; do
+        if [ -f "$debug_log" ]; then
+            indexed_line="$(grep -E "FastImportBlockFile: indexed [0-9]+ blocks in [0-9]+ms" "$debug_log" | tail -1 || true)"
+            if [ -n "$indexed_line" ]; then
+                break
+            fi
+        fi
+        if ! kill -0 "$pid" 2>/dev/null; then
+            echo "Daemon exited before completion line appeared. Check $datadir/stdout.log" >&2
+            kill "$sampler_pid" 2>/dev/null || true
+            return 1
+        fi
+        local elapsed=$(( $(date +%s) - wait_start ))
+        if [ "$elapsed" -gt "$timeout_s" ]; then
+            echo "Timeout after ${timeout_s}s without completion line" >&2
+            kill "$pid" 2>/dev/null || true
+            kill "$sampler_pid" 2>/dev/null || true
+            return 1
+        fi
+        sleep 5
+    done
+
+    echo "Completion: $indexed_line"
+
+    # Parse blocks_indexed and wall_ms from the line.
+    local blocks_indexed wall_ms
+    blocks_indexed="$(echo "$indexed_line" | sed -E 's/.*indexed ([0-9]+) blocks.*/\1/')"
+    wall_ms="$(echo "$indexed_line" | sed -E 's/.*in ([0-9]+)ms.*/\1/')"
+
+    # Stop daemon cleanly via RPC, fall back to SIGTERM.
+    "$BINARY" -datadir="$datadir" -conf="triangles.conf" stop >/dev/null 2>&1 || \
+        kill -TERM "$pid" 2>/dev/null || true
+
+    # Wait up to 60s for clean exit.
+    local stop_wait=0
+    while kill -0 "$pid" 2>/dev/null && [ "$stop_wait" -lt 60 ]; do
+        sleep 1
+        stop_wait=$((stop_wait + 1))
+    done
+    kill -KILL "$pid" 2>/dev/null || true
+    wait "$sampler_pid" 2>/dev/null || true
+
+    # Peak RSS: max of the sampler's recorded values.
+    local peak_rss_kb=0
+    if [ -f "$rss_log" ] && [ -s "$rss_log" ]; then
+        peak_rss_kb="$(sort -nr "$rss_log" | head -1)"
+    fi
+
+    # Datadir size — separate the chain DB from blk0001.dat (which is ~constant
+    # across backends). We report the total datadir size; the consumer can
+    # subtract bootstrap_size_bytes if they want chain-DB-only.
+    local datadir_bytes
+    datadir_bytes="$(du -sb "$datadir" 2>/dev/null | awk '{print $1}' || du -sk "$datadir" | awk '{print $1*1024}')"
+
+    # Append CSV row.
+    echo "$ts_run,$backend,$bootstrap_size,$DBCACHE,$blocks_indexed,$wall_ms,$peak_rss_kb,$datadir_bytes,$BINARY,$host" >> "$RESULTS_CSV"
+
+    # Stdout summary.
+    printf "  blocks indexed: %s\n" "$blocks_indexed"
+    printf "  wall time:      %s ms (%.1f min)\n" "$wall_ms" "$(awk "BEGIN{print $wall_ms/60000}")"
+    printf "  peak RSS:       %s KB (%.1f GB)\n" "$peak_rss_kb" "$(awk "BEGIN{print $peak_rss_kb/1024/1024}")"
+    printf "  datadir size:   %s bytes (%.1f GB)\n" "$datadir_bytes" "$(awk "BEGIN{print $datadir_bytes/1024/1024/1024}")"
+
+    # Cleanup unless --keep-datadirs.
+    if [ "$KEEP" -eq 0 ]; then
+        rm -rf "$datadir"
+    fi
+}
+
+# ── Main loop ──────────────────────────────────────────────────────────────
+idx=0
+IFS=',' read -r -a backends_arr <<< "$BACKENDS"
+for backend in "${backends_arr[@]}"; do
+    case "$backend" in
+        leveldb|rocksdb) ;;
+        *) echo "Unknown backend: $backend" >&2; exit 2 ;;
+    esac
+    run_backend "$backend" "$idx"
+    idx=$((idx + 1))
+done
+
+echo
+echo "Done. Results appended to $RESULTS_CSV"
@@ -0,0 +1,148 @@
+; Cryptographic Triangles NSIS Installer
+; Produces a single setup.exe with wallet + Tor bundled
+; Uses per-user install (no UAC elevation) so network drives stay visible
+
+!include "MUI2.nsh"
+!include "FileFunc.nsh"
+
+!ifndef VERSION
+  !define VERSION "0.0.0"
+!endif
+
+!define APPNAME "Cryptographic Triangles"
+!define COMPANYNAME "Cryptographic Triangles"
+!define EXENAME "triangles-qt.exe"
+
+Name "${APPNAME} v${VERSION}"
+OutFile "Cryptographic-Triangles-${VERSION}-win-x64-setup.exe"
+InstallDir "$LOCALAPPDATA\${APPNAME}"
+InstallDirRegKey HKCU "Software\${APPNAME}" "InstallDir"
+RequestExecutionLevel user
+
+; UI — icons and bitmaps are relative to THIS .nsi file
+!define MUI_ICON "..\..\src\qt\res\icons\triangles.ico"
+!define MUI_UNICON "..\..\src\qt\res\icons\triangles.ico"
+!define MUI_HEADERIMAGE
+!define MUI_HEADERIMAGE_BITMAP "..\..\share\pixmaps\nsis-header.bmp"
+!define MUI_WELCOMEFINISHPAGE_BITMAP "..\..\share\pixmaps\nsis-wizard.bmp"
+!define MUI_ABORTWARNING
+!define MUI_FINISHPAGE_RUN "$INSTDIR\${EXENAME}"
+!define MUI_FINISHPAGE_RUN_TEXT "Launch ${APPNAME}"
+
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_DIRECTORY
+
+; Bootstrap page
+Page custom BootstrapPage
+
+!insertmacro MUI_PAGE_INSTFILES
+!insertmacro MUI_PAGE_FINISH
+
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+!insertmacro MUI_LANGUAGE "English"
+
+; Bootstrap selection variable
+Var BootstrapChoice
+
+; Bootstrap page function
+Function BootstrapPage
+  !insertmacro MUI_HEADER_TEXT "Blockchain Sync" "Choose how to synchronize the blockchain"
+  
+  nsDialogs::Create 1018
+  Pop $0
+  
+  ${NSD_CreateLabel} 0 10u 100% 20u "The Triangles blockchain requires ~1GB of data. Choose sync method:"
+  Pop $0
+  
+  ${NSD_CreateRadioButton} 10u 40u 100% 12u "Download bootstrap (~1.3GB) — Recommended (fast)"
+  Pop $1
+  ${NSD_Check} $1
+  
+  ${NSD_CreateRadioButton} 10u 60u 100% 12u "Sync from network — Slow (may take days)"
+  Pop $2
+  
+  ${NSD_CreateLabel} 10u 80u 100% 30u "Bootstrap will download a recent blockchain snapshot, saving hours or days of sync time. Network bandwidth required: ~1.3GB."
+  Pop $0
+  
+  nsDialogs::Show
+  
+  ${NSD_GetState} $1 $BootstrapChoice
+FunctionEnd
+
+Section "Install"
+  SetOutPath "$INSTDIR"
+
+  ; Wallet + Qt DLLs (prepared by the Package step into dist/)
+  File /r "..\..\dist\*.*"
+
+  ; Tor binary + data (prepared by Download Tor step into tor-files/)
+  SetOutPath "$INSTDIR\tor"
+  File /r "..\..\tor-files\*.*"
+
+  ; Create data directory
+  CreateDirectory "$APPDATA\Triangles"
+
+  ; Download blockchain bootstrap if selected
+  ${If} $BootstrapChoice == ${BST_CHECKED}
+    DetailPrint "Downloading blockchain bootstrap..."
+    inetc::get /CAPTION "Downloading Blockchain" /CANCELTEXT "Skip" \
+      "http://bootstrap.cryptographic-triangles.org/tri-blockchain.tar.gz" \
+      "$TEMP\tri-blockchain.tar.gz" /END
+    Pop $0
+    ${If} $0 == "OK"
+      DetailPrint "Extracting blockchain..."
+      nsExec::ExecToLog '"$INSTDIR\7z.exe" x "$TEMP\tri-blockchain.tar.gz" -o"$TEMP" -y'
+      nsExec::ExecToLog '"$INSTDIR\7z.exe" x "$TEMP\tri-blockchain.tar" -o"$APPDATA\Triangles" -y'
+      Delete "$TEMP\tri-blockchain.tar.gz"
+      Delete "$TEMP\tri-blockchain.tar"
+      DetailPrint "Blockchain bootstrap installed!"
+    ${Else}
+      DetailPrint "Bootstrap download failed or skipped — will sync from network"
+    ${EndIf}
+  ${EndIf}
+
+  ; Uninstaller
+  WriteUninstaller "$INSTDIR\uninstall.exe"
+
+  ; Start menu
+  CreateDirectory "$SMPROGRAMS\${APPNAME}"
+  CreateShortcut "$SMPROGRAMS\${APPNAME}\${APPNAME}.lnk" "$INSTDIR\${EXENAME}" "" "$INSTDIR\${EXENAME}" 0
+  CreateShortcut "$SMPROGRAMS\${APPNAME}\Uninstall.lnk" "$INSTDIR\uninstall.exe"
+
+  ; Desktop shortcut
+  CreateShortcut "$DESKTOP\${APPNAME}.lnk" "$INSTDIR\${EXENAME}" "" "$INSTDIR\${EXENAME}" 0
+
+  ; Add/Remove Programs (per-user)
+  WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" "DisplayName" "${APPNAME}"
+  WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" "UninstallString" '"$INSTDIR\uninstall.exe"'
+  WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" "DisplayIcon" "$INSTDIR\${EXENAME}"
+  WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" "Publisher" "${COMPANYNAME}"
+  WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" "DisplayVersion" "${VERSION}"
+  WriteRegDWORD HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" "NoModify" 1
+  WriteRegDWORD HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" "NoRepair" 1
+  WriteRegStr HKCU "Software\${APPNAME}" "InstallDir" "$INSTDIR"
+
+  ${GetSize} "$INSTDIR" "/S=0K" $0 $1 $2
+  IntFmt $0 "0x%08X" $0
+  WriteRegDWORD HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" "EstimatedSize" "$0"
+SectionEnd
+
+Section "Uninstall"
+  ; Stop running processes
+  nsExec::ExecToLog 'taskkill /F /IM triangles-qt.exe'
+  nsExec::ExecToLog 'taskkill /F /IM trianglesd.exe'
+  nsExec::ExecToLog 'taskkill /F /IM tor.exe'
+
+  ; Remove installation
+  RMDir /r "$INSTDIR"
+
+  ; Remove shortcuts
+  RMDir /r "$SMPROGRAMS\${APPNAME}"
+  Delete "$DESKTOP\${APPNAME}.lnk"
+
+  ; Remove registry
+  DeleteRegKey HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}"
+  DeleteRegKey HKCU "Software\${APPNAME}"
+SectionEnd
@@ -0,0 +1,147 @@
+# Triangles Dynamic Seed Node - Setup Guide
+
+## Overview
+
+Triangles v5.5.0+ uses a dynamic HTTP seed list instead of hardcoded addresses.
+A collector script runs on a VPS alongside a Triangles node, periodically
+querying the node for known .onion peers and publishing them to a static file.
+New wallets fetch this file on startup to bootstrap peer discovery.
+
+Once any wallet syncs and obtains its own .onion address, other nodes learn
+about it via P2P address exchange. The collector picks it up automatically
+on its next run. No manual intervention is needed after initial setup.
+
+## Requirements
+
+- Linux VPS
+- Triangles daemon (`trianglesd`) running with Tor enabled
+- A web server (Caddy, nginx, Apache, etc.)
+- DNS control for the domain serving the seed list
+- `jq` and `curl` (`apt install jq curl`)
+
+## Step 1: DNS
+
+Create an A record for the seed list hostname pointing to the VPS IP address.
+
+The default hostname the wallet fetches is `seeds.cryptographic-triangles.org`.
+This can be overridden per-node with the `-seedurl` flag.
+
+## Step 2: Web Server
+
+Create a directory for the seed file:
+
+```bash
+sudo mkdir -p /var/www/seeds
+sudo chown $USER:$USER /var/www/seeds
+```
+
+Configure the web server to serve that directory on the seed list hostname.
+
+**Caddy example** (add to Caddyfile):
+
+```
+seeds.cryptographic-triangles.org {
+    root * /var/www/seeds
+    file_server
+}
+```
+
+**nginx example** (add server block):
+
+```
+server {
+    listen 80;
+    server_name seeds.cryptographic-triangles.org;
+    root /var/www/seeds;
+}
+```
+
+Reload the web server after making changes.
+
+## Step 3: Install the Collector Script
+
+```bash
+sudo cp contrib/seeds/collect-seeds.sh /usr/local/bin/collect-seeds.sh
+sudo chmod +x /usr/local/bin/collect-seeds.sh
+```
+
+## Step 4: Configure and Test
+
+The script communicates with `trianglesd` via JSON-RPC. It reads credentials
+from environment variables. Check `triangles.conf` for `rpcuser` and `rpcpassword`.
+
+Run it manually to verify:
+
+```bash
+export RPC_USER="your_rpc_username"
+export RPC_PASSWORD="your_rpc_password"
+export RPC_PORT="19112"
+export OUTPUT_FILE="/var/www/seeds/seeds.txt"
+
+/usr/local/bin/collect-seeds.sh
+```
+
+Expected output: `Updated /var/www/seeds/seeds.txt with N seeds`
+
+The resulting file should contain one `.onion:port` entry per line:
+
+```
+# Triangles seed nodes - auto-generated 2026-04-01T12:00:00Z
+exampleaddress1234567890abcdefghijklmnopqrstuvwxyz234567.onion:24112
+anotheraddress1234567890abcdefghijklmnopqrstuvwxyz23456.onion:24112
+```
+
+## Step 5: Cron Job
+
+Schedule the collector to run every 5 minutes:
+
+```bash
+crontab -e
+```
+
+Add:
+
+```
+*/5 * * * * RPC_USER="your_rpc_username" RPC_PASSWORD="your_rpc_password" OUTPUT_FILE="/var/www/seeds/seeds.txt" /usr/local/bin/collect-seeds.sh >> /var/log/triangles-seeds.log 2>&1
+```
+
+## Step 6: Verify End-to-End
+
+From any machine:
+
+```bash
+curl http://seeds.cryptographic-triangles.org/seeds.txt
+```
+
+The response should list .onion addresses.
+
+## Troubleshooting
+
+**"no onion seeds found"**
+The node has not yet learned any .onion peer addresses. Ensure Tor is enabled
+and the node has at least one connected peer. Check with `trianglesd getpeerinfo`.
+
+**"RPC call failed"**
+Verify `trianglesd` is running and RPC credentials are correct:
+```bash
+curl -s --user "user:pass" --data-binary \
+  '{"jsonrpc":"1.0","method":"getinfo","params":[]}' \
+  http://127.0.0.1:19112/
+```
+
+**seeds.txt not updating**
+Check the cron log: `tail /var/log/triangles-seeds.log`
+
+## How It Works
+
+1. The collector calls the `getseedlist` RPC, which returns all known .onion
+   addresses from the node's address manager
+2. Results are written to a static text file served by the web server
+3. On startup, Triangles wallets fetch this file and add the addresses to
+   their peer database
+4. As wallets connect and exchange addresses via P2P, new .onion addresses
+   propagate across the network
+5. The collector discovers newly-propagated addresses on its next run
+
+This creates a fully automatic cycle where every online wallet with a Tor
+hidden service becomes a discoverable seed node.
@@ -0,0 +1,49 @@
+#!/bin/bash
+# Triangles Dynamic Seed Collector
+# Run via cron on a VPS that runs a Triangles node.
+# Queries the local node's getseedlist RPC for known .onion peers
+# and writes them to a static file served by a web server.
+#
+# Example cron (every 5 minutes):
+#   */5 * * * * /path/to/collect-seeds.sh
+#
+# The web server (Caddy, nginx, etc.) serves the output file at:
+#   http://seeds.cryptographic-triangles.org/seeds.txt
+
+# Configuration
+RPC_USER="${RPC_USER:-trianglesrpc}"
+RPC_PASSWORD="${RPC_PASSWORD:-}"
+RPC_PORT="${RPC_PORT:-19112}"
+OUTPUT_FILE="${OUTPUT_FILE:-/var/www/seeds/seeds.txt}"
+
+if [ -z "$RPC_PASSWORD" ]; then
+    echo "Error: RPC_PASSWORD not set" >&2
+    exit 1
+fi
+
+# Query the node for known onion seeds
+RESPONSE=$(curl -s --user "${RPC_USER}:${RPC_PASSWORD}" \
+    --data-binary '{"jsonrpc":"1.0","id":"seedcollect","method":"getseedlist","params":[]}' \
+    -H 'content-type: text/plain;' \
+    "http://127.0.0.1:${RPC_PORT}/" 2>/dev/null)
+
+if [ $? -ne 0 ] || [ -z "$RESPONSE" ]; then
+    echo "Error: RPC call failed" >&2
+    exit 1
+fi
+
+# Extract addresses and write to temp file, then atomically move
+TMPFILE=$(mktemp)
+
+echo "# Triangles seed nodes - auto-generated $(date -u +%Y-%m-%dT%H:%M:%SZ)" > "$TMPFILE"
+echo "$RESPONSE" | jq -r '.result[] | .address + ":" + (.port|tostring)' >> "$TMPFILE" 2>/dev/null
+
+SEED_COUNT=$(grep -c '.onion' "$TMPFILE" 2>/dev/null || echo 0)
+
+if [ "$SEED_COUNT" -gt 0 ]; then
+    mv "$TMPFILE" "$OUTPUT_FILE"
+    echo "Updated ${OUTPUT_FILE} with ${SEED_COUNT} seeds"
+else
+    rm -f "$TMPFILE"
+    echo "Warning: no onion seeds found, keeping previous file" >&2
+fi
@@ -0,0 +1,26 @@
+# systemd drop-in for trianglesd: enable unlimited core dumps so that
+# crashes can be diagnosed post-mortem with `coredumpctl gdb`.
+#
+# Installation:
+#   sudo mkdir -p /etc/systemd/system/trianglesd.service.d
+#   sudo cp contrib/systemd/coredump.conf /etc/systemd/system/trianglesd.service.d/
+#   sudo systemctl daemon-reload
+#   sudo systemctl restart trianglesd
+#
+# Verify it took effect:
+#   systemctl show trianglesd | grep -E 'LimitCORE|LimitNOFILE'
+#
+# When the next crash happens, retrieve the stack trace with:
+#   coredumpctl list trianglesd
+#   coredumpctl gdb   # most recent core; then run `bt full` at the (gdb) prompt
+#
+# See contrib/debug/CRASHDUMPS.md for the full playbook.
+
+[Service]
+# Allow the kernel to write a full core dump on SIGSEGV/SIGABRT/SIGBUS/SIGFPE.
+LimitCORE=infinity
+
+# systemd-coredump compresses and stores cores under /var/lib/systemd/coredump/.
+# Make sure the package is installed:
+#   apt install systemd-coredump         # Debian/Ubuntu
+#   dnf install systemd-coredump         # Fedora/RHEL
@@ -0,0 +1,88 @@
+# triangles.conf.example — Cryptographic Triangles daemon configuration
+#
+# Copy this to ~/.triangles/triangles.conf and customize for your node.
+# Run scripts/validate_onion_seeds.py against your config before starting
+# the daemon to catch any .onion address corruption.
+#
+# Run order for a fresh operator:
+#   1. cp contrib/triangles.conf.example ~/.triangles/triangles.conf
+#   2. Edit credentials, port numbers, addnode list as needed
+#   3. python3 scripts/validate_onion_seeds.py ~/.triangles/triangles.conf
+#   4. /usr/lib/cryptographic-triangles/trianglesd -daemon
+#
+# The pre-commit hook at scripts/pre-commit will auto-validate this file
+# on every commit if you install it via:
+#   cp scripts/pre-commit .git/hooks/pre-commit && chmod +x .git/hooks/pre-commit
+
+# ─── Network ─────────────────────────────────────────────────────────────────
+# port=24112 is the mainnet P2P default. Pick an alternate (e.g. 24118) for
+# test/parallel nodes to avoid clashing with production.
+port=24112
+listen=1
+discover=1
+
+# ─── RPC ─────────────────────────────────────────────────────────────────────
+# Bind RPC to localhost only. The triangles-cli tool connects here.
+rpcuser=trianglesrpc
+rpcpassword=CHANGE_ME_TO_A_STRONG_RANDOM_PASSWORD
+rpcport=19112
+rpcallowip=127.0.0.1
+server=1
+
+# ─── Tor (MANDATORY — Triangles is Tor-only) ─────────────────────────────────
+# Triangles peers are exclusively .onion addresses. Never use clearnet IPs
+# in addnode= entries. See:
+#   * src/onionseed.h — hardcoded seed list (source of truth)
+#   * src/test/onion_v3_tests.cpp — validates the hardcoded list at CI
+#   * scripts/validate_onion_seeds.py — validates your config at pre-commit
+#
+# proxy= can point at:
+#   * Embedded Tor:   127.0.0.1:19099 (started automatically by the daemon)
+#   * System Tor:     127.0.0.1:9050
+#   * Tor Browser:    127.0.0.1:9150
+proxy=127.0.0.1:19099
+
+# ─── Hardcoded seed nodes (src/onionseed.h, v3 onion only) ──────────────────
+# These 7 are the source-of-truth seeds. The C++ test suite validates
+# every one of them at build time.
+addnode=gxvrhv3qitnc6kobrhsrse46bmcfitnybapor3or3oczzuxn6hfzxyid.onion:24112
+addnode=i6tk7soznftvoibtskwlezviskiererhjndpsmrff4kaxw7jnd5izfqd.onion:24112
+addnode=nawqqoazk2hhaglygulpeg6kh7hsgnvi2fursdvpvkantu4ojj26taid.onion:24112
+addnode=vmepp7plxngv4qpyngbgtb6njwnmlwy4api64xnwkhaf6fm3qlqtpfad.onion:24112
+addnode=nsldmfujkiwsfha42ajp5zx7gz3ekwdk4nvowdpf56mayuxnzshuykqd.onion:24112
+addnode=on4noksywc7b6cdbbxsp535l7j4cugunvlyz3iyhf6sfcg2qzaoy3eqd.onion:24112
+addnode=3uyzltm5cy7xzunncp3d7ariw75erabdnj4l3cxwvsxb6h4orc7eiqad.onion:24112
+
+# ─── Dynamic seeds (fetched from seeds.cryptographic-triangles.org) ─────────
+# These are populated at runtime by the daemon from the HTTP seed list. You
+# can also pin them here as a fallback for offline operation. They MUST be
+# valid v3 onions — validate with scripts/validate_onion_seeds.py.
+# addnode=6ygpphp2qsucwvhwefv6h6ehvk6zjf7b7zdp4ggkzjjwe76cg6jwm7id.onion:24112
+# addnode=uddaxjbo3lh2zskg7w6gwln4ty5cel7q4c5jbx7fdtv6zf2j47gdlyad.onion:24112
+# addnode=el5sirhhleecuctpeeprelzubpqmoqivvra3rzlwbjttinxa4fq3wnid.onion:24112
+# addnode=sj5dhybnlp3v4y5niyc5unrnd6s43lyx5ibup7rolyosjbi2u2hsbvyd.onion:24112
+# addnode=i3kr5meha7se4ns3wss3h7v46m6uksfzv4wrohdqxpj6n35wyo2bvlid.onion:24112
+# addnode=odtiwh6d2mqweztjrp45g5ogf4ikwtl5gotpjcbtax2qzkztrqcqieid.onion:24112
+# addnode=jbpfhe7zw3qm67wy3j2ayysp3mnrjobopthnko3b3sgahqtecblwqmid.onion:24112
+
+# ─── Indexes ─────────────────────────────────────────────────────────────────
+# Required for getaddressbalance / getaddressutxos / getaddresstxids RPCs
+# and for the bootstrap server to serve UTXO snapshots. Costs ~5GB disk.
+txindex=1
+addressindex=1
+spentindex=1
+timestampindex=1
+
+# ─── Staking ─────────────────────────────────────────────────────────────────
+# Set staking=0 to disable stake mining (recommended for sync-test / archive
+# nodes that don't need to produce blocks).
+staking=1
+stakegen=1
+
+# ─── Performance ────────────────────────────────────────────────────────────
+# dbcache in MB. 512 is reasonable for sync nodes. 1024+ for archival nodes.
+dbcache=512
+
+# ─── Security ───────────────────────────────────────────────────────────────
+# Disable Tor — DO NOT REMOVE THIS. Triangles is Tor-only by design.
+notor=0
@@ -0,0 +1,68 @@
+# I2P support (SAM v3)
+
+Triangles runs over I2P in addition to Tor, giving the wallet a second
+anonymous network and a `.b32.i2p` address shown directly above the `.onion`
+address in the status bar.
+
+I2P is **on by default** and works the same way as the embedded Tor: the wallet
+auto-launches a bundled **i2pd** router as a managed child process, enables its
+SAM bridge, and connects to it. The user does not have to install or configure
+anything — provided the i2pd binary ships with the wallet.
+
+## Shipping the i2pd binary
+
+Like `tor.exe`, the wallet looks for an `i2pd` executable in several places and
+launches the first one it finds:
+
+1. Next to the wallet executable (recommended): `i2pd.exe` (Windows) / `i2pd`
+   (Linux/macOS), or in an `i2pd/` subfolder beside it.
+2. In the data directory (or its `i2pd/` subfolder).
+3. Common system locations (`/usr/bin/i2pd`, Homebrew, `C:\i2pd\…`, etc.).
+
+Get i2pd from https://i2pd.website/ (or your package manager) and place the
+binary next to the wallet in your build/packaging step. That's the only manual
+part, and it's a packaging concern, not something the end user does.
+
+If no i2pd binary is found, the wallet logs a notice and continues with **Tor
+only** — I2P is strictly additive and never blocks start-up.
+
+## What happens at start-up
+
+1. If a SAM bridge is already listening on `127.0.0.1:7656` (e.g. you run your
+   own router), the wallet uses it and does **not** launch its own.
+2. Otherwise it writes `i2pd.conf` into `<datadir>/i2pd/` (SAM enabled, other
+   services off), launches i2pd, and waits for the SAM bridge to come up.
+3. The SAM client then loads/creates a persistent destination
+   (`<datadir>/i2p_private_key`), opens a STREAM session, derives the
+   `.b32.i2p` address (`base32(SHA-256(destination))`), accepts inbound I2P
+   streams, and dials outbound `.b32.i2p` peers.
+4. On wallet exit, the SAM session is closed and the i2pd child process is
+   terminated (an external router you started yourself is left running).
+
+The first session takes a little longer while i2pd builds tunnels; the address
+appears once the bridge is ready.
+
+## Options
+
+```
+-i2p                 Enable I2P; auto-launches bundled i2pd (default: 1; -i2p=0 to disable)
+-i2psam=<ip:port>    SAM bridge address (default: 127.0.0.1:7656).
+                     A non-loopback address disables the bundled router and
+                     connects to that external bridge instead.
+```
+
+## Checking it
+
+* GUI: the `.b32.i2p` address sits on top of the `.onion` in the status bar;
+  click either to copy.
+* RPC: `getinfo` shows `toraddress` and `i2paddress`; `getnetworkinfo` shows
+  `toraddress` and an `i2p` object (`enabled`, `active`, `address`, `peers`).
+
+## Notes / limitations
+
+* The address serialization format carries a flag for I2P addresses, so **all
+  nodes must run this build** to exchange I2P peers; an old `peers.dat` is
+  discarded.
+* `i2p_private_key` is your stable I2P identity — back it up, don't delete it.
+* This was implemented without a build/CI environment here; build and test
+  against a real i2pd before relying on it.
@@ -0,0 +1,7 @@
+# Krystie runner log
+
+This file records autonomous-runner activity. Each entry is a doc-only
+edit produced by the demo worker; once OpenClaw is wired in this log
+will be replaced by real work.
+
+- [2026-04-29T06:57:30Z] triangles_v5#1 — Smoke-test the Krystie loop runner
@@ -3,7 +3,7 @@
 # Run on a Linux x64 system with appimagetool installed
 set -e

-VERSION="5.3.7"
+VERSION="6.1.0"
 APPDIR="Triangles-x86_64.AppDir"
 RELEASE_URL="https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}"

@@ -0,0 +1,30 @@
+pkgbase = triangles-qt-bin
+	pkgdesc = Cryptographic Triangles (TRI) cryptocurrency wallet - Qt GUI
+	pkgver = 5.9.20
+	pkgrel = 1
+	url = https://cryptographic-triangles.org
+	arch = x86_64
+	license = MIT
+	depends = qt5-base
+	depends = openssl
+	depends = boost-libs
+	depends = db
+	depends = leveldb
+	depends = libevent
+	depends = miniupnpc
+	depends = tor
+	optdepend = tor: anonymous networking support
+	provides = triangles-qt
+	provides = trianglesd
+	provides = triangles-cli
+	conflicts = triangles-qt
+	conflicts = trianglesd
+	conflicts = triangles-cli
+	source = https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.9.20/cryptographic-triangles_5.9.20_amd64.deb
+	source = https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.9.20/cryptographic-triangles-daemon_5.9.20_amd64.deb
+	source = triangles-qt.desktop
+	sha256sums = b4afcf758f55c8fb256f4742917971414078ce37c0fe346383ccda5251917bde
+	sha256sums = 068d015cf73206f3f3604b0c8fbf60db307c20234cbe06e236996fb9a336df51
+	sha256sums = SKIP
+
+pkgname = triangles-qt-bin
@@ -1,6 +1,6 @@
-# Maintainer: Cryptographic Triangles Team
+# Maintainer: Sami Ahmed <https://github.com/SamiAhmed7777>
 pkgname=triangles-qt-bin
-pkgver=5.3.7
+pkgver=5.9.20
 pkgrel=1
 pkgdesc="Cryptographic Triangles (TRI) cryptocurrency wallet - Qt GUI"
 arch=('x86_64')
@@ -8,21 +8,64 @@ url="https://cryptographic-triangles.org"
 license=('MIT')
 depends=('qt5-base' 'openssl' 'boost-libs' 'db' 'leveldb' 'libevent' 'miniupnpc' 'tor')
 optdepends=('tor: anonymous networking support')
-provides=('triangles-qt' 'trianglesd')
-conflicts=('triangles-qt' 'trianglesd')
+provides=('triangles-qt' 'trianglesd' 'triangles-cli')
+conflicts=('triangles-qt' 'trianglesd' 'triangles-cli')
 source=(
-    "triangles-qt-${pkgver}::https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${pkgver}/Cryptographic-Triangles-v${pkgver}-linux-x64-qt"
-    "trianglesd-${pkgver}::https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${pkgver}/Cryptographic-Triangles-v${pkgver}-linux-x64-daemon"
+    "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${pkgver}/cryptographic-triangles_${pkgver}_amd64.deb"
+    "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${pkgver}/cryptographic-triangles-daemon_${pkgver}_amd64.deb"
    "triangles-qt.desktop"
 )
-sha256sums=(
-    'ed220eb8d0b403f62cdac28988541fd1a27864491e233216f9c00a4c2537b4a3'
-    '4d2ab25d61127d6aff3e6f3069556d04f4b823f8849e97629c12871ad4779517'
-    'SKIP'
-)
+sha256sums=('b4afcf758f55c8fb256f4742917971414078ce37c0fe346383ccda5251917bde'
+            '068d015cf73206f3f3604b0c8fbf60db307c20234cbe06e236996fb9a336df51'
+            'SKIP')
+
+prepare() {
+    cd "$srcdir"
+    # Qt GUI + bundled Qt/libs come from the full wallet .deb
+    ar x "cryptographic-triangles_${pkgver}_amd64.deb"
+    tar --use-compress-program=unzstd -xf data.tar.zst
+    rm -f control.tar.zst data.tar.zst debian-binary
+
+    # Headless daemon + JSON-RPC client come from the daemon .deb
+    ar x "cryptographic-triangles-daemon_${pkgver}_amd64.deb"
+    tar --use-compress-program=unzstd -xf data.tar.zst
+    rm -f control.tar.zst data.tar.zst debian-binary
+}

 package() {
-    install -Dm755 "triangles-qt-${pkgver}" "${pkgdir}/usr/bin/triangles-qt"
-    install -Dm755 "trianglesd-${pkgver}" "${pkgdir}/usr/bin/trianglesd"
-    install -Dm644 "triangles-qt.desktop" "${pkgdir}/usr/share/applications/triangles-qt.desktop"
+    cd "$srcdir"
+
+    # Install the actual binaries to /opt/triangles
+    install -dm755 "${pkgdir}/opt/triangles"
+    install -m755 usr/lib/cryptographic-triangles/triangles-qt \
+        "${pkgdir}/opt/triangles/triangles-qt"
+    install -m755 usr/lib/cryptographic-triangles/trianglesd \
+        "${pkgdir}/opt/triangles/trianglesd"
+    install -m755 usr/lib/cryptographic-triangles/triangles-cli \
+        "${pkgdir}/opt/triangles/triangles-cli"
+
+    # Install bundled shared libraries to /opt/triangles/lib.
+    # Many are version-pinned (librocksdb.so.6.11, libgflags.so.2.2,
+    # libdb_cxx-5.3.so, libboost_program_options.so.1.74.0) and are not
+    # available at the right version on Arch, so we ship them ourselves.
+    install -dm755 "${pkgdir}/opt/triangles/lib"
+    # Use GUI .deb libs (it has the full Qt set + everything daemon needs)
+    install -m644 usr/lib/cryptographic-triangles/lib/* \
+        "${pkgdir}/opt/triangles/lib/"
+
+    # Wrapper scripts in /usr/bin set LD_LIBRARY_PATH and exec the real binary.
+    # System Qt5/openssl/etc. are still on the default loader path and take
+    # precedence for libs NOT in our private directory.
+    install -dm755 "${pkgdir}/usr/bin"
+    for bin in triangles-qt trianglesd triangles-cli; do
+        install -m755 /dev/stdin "${pkgdir}/usr/bin/${bin}" <<EOF
+#!/bin/bash
+export LD_LIBRARY_PATH=/opt/triangles/lib\${LD_LIBRARY_PATH:+:\${LD_LIBRARY_PATH}}
+exec /opt/triangles/${bin} "\$@"
+EOF
+    done
+
+    # .desktop file
+    install -Dm644 triangles-qt.desktop \
+        "${pkgdir}/usr/share/applications/triangles-qt.desktop"
 }
@@ -1,18 +1,14 @@
 $ErrorActionPreference = 'Stop'

 $packageArgs = @{
-    packageName    = 'triangles'
-    unzipLocation  = "$(Split-Path -Parent $MyInvocation.MyCommand.Definition)"
-    url64bit       = 'https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.3.7/Cryptographic-Triangles-5.3.7-win-x64.zip'
-    checksum64     = '6f002a669a7e92aaf3d8dd7b1ae80f06a086c99a15ca05cf107665009ffc06b7'
+    packageName    = $env:ChocolateyPackageName
+    fileType       = 'exe'
+    softwareName   = 'Cryptographic Triangles*'
+    url64bit       = "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v$env:ChocolateyPackageVersion/Cryptographic-Triangles-$env:ChocolateyPackageVersion-win-x64-setup.exe"
+    checksum64     = '__CHECKSUM_PLACEHOLDER__'
    checksumType64 = 'sha256'
+    silentArgs     = '/S'
+    validExitCodes = @(0, 3010, 1641)
 }

-Install-ChocolateyZipPackage @packageArgs
-
-$installDir = $packageArgs.unzipLocation
-$desktopPath = [Environment]::GetFolderPath('Desktop')
-
-Install-ChocolateyShortcut `
-    -ShortcutFilePath "$desktopPath\Cryptographic Triangles.lnk" `
-    -TargetPath "$installDir\triangles-qt.exe"
+Install-ChocolateyPackage @packageArgs
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2015/06/nuspec.xsd">
  <metadata>
    <id>triangles</id>
-    <version>5.3.7</version>
+    <version>5.5.6</version>
    <title>Cryptographic Triangles</title>
    <authors>Cryptographic Triangles Team</authors>
    <owners>SamiAhmed7777</owners>
@@ -1,5 +1,5 @@
 Package: triangles
-Version: 5.3.7-1
+Version: 5.5.6-1
 Section: net
 Priority: optional
 Architecture: amd64
@@ -0,0 +1,18 @@
+#!/bin/bash
+# Post-installation script for Triangles .deb package
+
+set -e
+
+echo "════════════════════════════════════════════════════════"
+echo "  Triangles Installation Complete"
+echo "════════════════════════════════════════════════════════"
+echo ""
+echo "Optional: Download blockchain bootstrap to skip days of sync"
+echo ""
+echo "  sudo triangles-bootstrap-install"
+echo ""
+echo "This will download ~1.3GB and extract to ~/.triangles/"
+echo "════════════════════════════════════════════════════════"
+echo ""
+
+exit 0
@@ -3,7 +3,7 @@
 # Run from the packaging/debian directory
 set -e

-VERSION="5.3.7"
+VERSION="6.1.0"
 PKGDIR="triangles_${VERSION}-1_amd64"
 RELEASE_URL="https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}"

@@ -13,10 +13,13 @@ echo "Building .deb package for Triangles v${VERSION}..."
 rm -rf "$PKGDIR"
 mkdir -p "$PKGDIR/DEBIAN"
 mkdir -p "$PKGDIR/usr/bin"
+mkdir -p "$PKGDIR/usr/local/bin"
 mkdir -p "$PKGDIR/usr/share/applications"

-# Copy control file
+# Copy control and postinst
 cp DEBIAN/control "$PKGDIR/DEBIAN/"
+cp DEBIAN/postinst "$PKGDIR/DEBIAN/"
+chmod 755 "$PKGDIR/DEBIAN/postinst"

 # Download binaries
 echo "Downloading binaries..."
@@ -24,6 +27,10 @@ curl -L -o "$PKGDIR/usr/bin/triangles-qt" "${RELEASE_URL}/Cryptographic-Triangle
 curl -L -o "$PKGDIR/usr/bin/trianglesd" "${RELEASE_URL}/Cryptographic-Triangles-v${VERSION}-linux-x64-daemon"
 chmod 755 "$PKGDIR/usr/bin/triangles-qt" "$PKGDIR/usr/bin/trianglesd"

+# Copy bootstrap installer
+cp usr/local/bin/triangles-bootstrap-install "$PKGDIR/usr/local/bin/"
+chmod 755 "$PKGDIR/usr/local/bin/triangles-bootstrap-install"
+
 # Create desktop entry
 cat > "$PKGDIR/usr/share/applications/triangles-qt.desktop" << 'DESKTOP'
 [Desktop Entry]
@@ -0,0 +1,87 @@
+#!/bin/bash
+# Triangles Blockchain Bootstrap Installer
+# Downloads and extracts blockchain snapshot to save sync time
+
+set -e
+
+echo "╔═══════════════════════════════════════╗"
+echo "║  Triangles Blockchain Bootstrap      ║"
+echo "╚═══════════════════════════════════════╝"
+echo ""
+
+# Determine data directory
+if [ -n "$1" ]; then
+    DATA_DIR="$1"
+elif [ -d "$HOME/.triangles" ]; then
+    DATA_DIR="$HOME/.triangles"
+else
+    DATA_DIR="$HOME/.triangles"
+    mkdir -p "$DATA_DIR"
+fi
+
+echo "Data directory: $DATA_DIR"
+echo ""
+
+# Check if triangles is running
+if pgrep -x trianglesd > /dev/null || pgrep -x triangles-qt > /dev/null; then
+    echo "⚠️  Triangles is currently running!"
+    echo "   Please stop it first:"
+    echo "   trianglesd stop  (or close triangles-qt)"
+    echo ""
+    exit 1
+fi
+
+# Check existing blockchain
+if [ -f "$DATA_DIR/blk0001.dat" ]; then
+    SIZE=$(du -sh "$DATA_DIR/blk0001.dat" | cut -f1)
+    echo "⚠️  Existing blockchain found ($SIZE)"
+    echo ""
+    read -p "   Overwrite? This will replace your current blockchain [y/N]: " CONFIRM
+    if [[ ! "$CONFIRM" =~ ^[Yy]$ ]]; then
+        echo "Cancelled."
+        exit 0
+    fi
+    echo ""
+fi
+
+# Download bootstrap
+BOOTSTRAP_URL="http://bootstrap.cryptographic-triangles.org/tri-blockchain.tar.gz"
+TMP_FILE="/tmp/tri-blockchain-$$.tar.gz"
+
+echo "⬇️  Downloading blockchain bootstrap (~1.3GB)..."
+echo "   This may take several minutes..."
+echo ""
+
+if ! curl -# -L --fail --connect-timeout 30 --max-time 1800 -o "$TMP_FILE" "$BOOTSTRAP_URL"; then
+    echo "❌ Download failed!"
+    echo "   URL: $BOOTSTRAP_URL"
+    rm -f "$TMP_FILE"
+    exit 1
+fi
+
+echo ""
+echo "✓ Downloaded!"
+echo ""
+
+# Extract
+echo "📦 Extracting blockchain..."
+if ! tar xzf "$TMP_FILE" -C "$DATA_DIR/"; then
+    echo "❌ Extraction failed!"
+    rm -f "$TMP_FILE"
+    exit 1
+fi
+
+rm -f "$TMP_FILE"
+
+echo "✓ Blockchain installed!"
+echo ""
+echo "╔═══════════════════════════════════════╗"
+echo "║         Bootstrap Complete!           ║"
+echo "╚═══════════════════════════════════════╝"
+echo ""
+echo "You can now start Triangles:"
+echo "  trianglesd -daemon"
+echo "  (or launch triangles-qt)"
+echo ""
+echo "The node will sync the remaining ~8,000 blocks from the network."
+echo ""
@@ -1,39 +1,57 @@
+FROM ubuntu:22.04 AS builder
+
+ARG VERSION=6.1.0
+ARG DEB_URL=https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/cryptographic-triangles-daemon_${VERSION}_amd64.deb
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        curl ca-certificates binutils zstd && \
+    curl -fsSL -o /tmp/triangles.deb "${DEB_URL}" && \
+    cd /tmp && ar x /tmp/triangles.deb && \
+    tar --use-compress-program=unzstd -xf data.tar.zst && \
+    rm -f /tmp/triangles.deb /tmp/control.tar.zst /tmp/debian-binary /tmp/data.tar.zst
+
+# ---------- Runtime ----------
 FROM ubuntu:22.04

+ARG VERSION=6.1.0
+
 LABEL maintainer="Cryptographic Triangles Team"
 LABEL description="Cryptographic Triangles (TRI) headless daemon"
-LABEL version="5.3.7"
-
-ARG VERSION=5.3.7
+LABEL version="6.1.0"

 RUN apt-get update && apt-get install -y --no-install-recommends \
-    curl \
-    ca-certificates \
-    libssl3 \
-    libevent-2.1-7 \
-    libboost-system1.74.0 \
-    libboost-filesystem1.74.0 \
-    libboost-program-options1.74.0 \
-    libboost-thread1.74.0 \
-    libboost-chrono1.74.0 \
-    libdb5.3++ \
-    libminiupnpc17 \
-    tor \
+        ca-certificates \
+        libssl3 \
+        libevent-2.1-7 \
+        libboost-system1.74.0 \
+        libboost-filesystem1.74.0 \
+        libboost-program-options1.74.0 \
+        libboost-thread1.74.0 \
+        libboost-chrono1.74.0 \
+        libdb5.3++ \
+        libminiupnpc17 \
    && rm -rf /var/lib/apt/lists/*

-RUN curl -L -o /usr/local/bin/trianglesd \
-    "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}/Cryptographic-Triangles-v${VERSION}-linux-x64-daemon" \
-    && chmod +x /usr/local/bin/trianglesd
+COPY --from=builder /tmp/usr/lib/cryptographic-triangles/ /opt/triangles/
+COPY --from=builder /tmp/usr/bin/trianglesd /usr/local/bin/trianglesd
+COPY --from=builder /tmp/usr/bin/triangles-cli /usr/local/bin/triangles-cli

-RUN useradd -m -s /bin/bash triangles
+# Wrapper sets LD_LIBRARY_PATH so the dynamic libs resolve
+RUN printf '#!/bin/bash\nexport LD_LIBRARY_PATH=/opt/triangles/lib:${LD_LIBRARY_PATH}\nexec /opt/triangles/%s "$@"\n' trianglesd \
+        > /usr/local/bin/trianglesd-wrap && \
+    printf '#!/bin/bash\nexport LD_LIBRARY_PATH=/opt/triangles/lib:${LD_LIBRARY_PATH}\nexec /opt/triangles/%s "$@"\n' triangles-cli \
+        > /usr/local/bin/triangles-cli-wrap && \
+    mv /usr/local/bin/trianglesd-wrap /usr/local/bin/trianglesd && \
+    mv /usr/local/bin/triangles-cli-wrap /usr/local/bin/triangles-cli && \
+    chmod +x /usr/local/bin/trianglesd /usr/local/bin/triangles-cli
+
+RUN useradd -m -s /bin/bash triangles && \
+    mkdir -p /home/triangles/.triangles && \
+    chown -R triangles:triangles /home/triangles

 USER triangles
 WORKDIR /home/triangles
-
-RUN mkdir -p /home/triangles/.triangles
-
 VOLUME /home/triangles/.triangles
-
 EXPOSE 24112 19112

 ENTRYPOINT ["trianglesd"]
@@ -3,7 +3,7 @@ version: "3.8"
 services:
  trianglesd:
    build: .
-    image: cryptographic-triangles/trianglesd:5.3.7
+    image: cryptographic-triangles/trianglesd:6.1.0
    container_name: trianglesd
    restart: unless-stopped
    ports:
@@ -25,7 +25,7 @@ modules:
      - install -Dm644 org.cryptographic_triangles.TrianglesQt.metainfo.xml /app/share/metainfo/org.cryptographic_triangles.TrianglesQt.metainfo.xml
    sources:
      - type: file
-        url: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.3.7/Cryptographic-Triangles-v5.3.7-linux-x64-qt
+        url: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v6.1.0/Cryptographic-Triangles-v6.1.0-linux-x64-qt
        sha256: ed220eb8d0b403f62cdac28988541fd1a27864491e233216f9c00a4c2537b4a3
        dest-filename: triangles-qt-linux
      - type: file
@@ -55,6 +55,6 @@ modules:
      - install -Dm755 trianglesd-linux /app/bin/trianglesd
    sources:
      - type: file
-        url: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.3.7/Cryptographic-Triangles-v5.3.7-linux-x64-daemon
+        url: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v6.1.0/Cryptographic-Triangles-v6.1.0-linux-x64-daemon
        sha256: 4d2ab25d61127d6aff3e6f3069556d04f4b823f8849e97629c12871ad4779517
        dest-filename: trianglesd-linux
@@ -2,7 +2,7 @@ class Triangles < Formula
  desc "Cryptographic Triangles (TRI) cryptocurrency wallet and daemon"
  homepage "https://cryptographic-triangles.org"
  license "MIT"
-  version "5.3.7"
+  version "5.5.6"

  on_macos do
    url "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.3.7/Cryptographic-Triangles-v5.3.7-macos-arm64.dmg"
@@ -14,7 +14,7 @@
 }:

 let
-  version = "5.3.7";
+  version = "5.5.6";

  desktopItem = makeDesktopItem {
    name = "triangles-qt";
@@ -4,7 +4,7 @@
 # Install build tools: sudo dnf install rpm-build rpmdevtools
 set -e

-VERSION="5.3.7"
+VERSION="6.1.0"
 RELEASE_URL="https://github.com/SamiAhmed7777/triangles_v5/releases/download/v${VERSION}"

 echo "Building RPM for Triangles v${VERSION}..."
@@ -1,5 +1,5 @@
 Name:           triangles
-Version:        5.3.7
+Version:        6.1.0
 Release:        1%{?dist}
 Summary:        Cryptographic Triangles (TRI) cryptocurrency wallet
 License:        MIT
@@ -0,0 +1,29 @@
+{
+    "version": "6.1.0",
+    "description": "Cryptographic Triangles (TRI) cryptocurrency wallet with PoS staking and encrypted messaging",
+    "homepage": "https://cryptographic-triangles.org",
+    "license": "MIT",
+    "architecture": {
+        "64bit": {
+            "url": "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v6.1.0/Cryptographic-Triangles-6.1.0-win-x64.zip",
+            "hash": "6f002a669a7e92aaf3d8dd7b1ae80f06a086c99a15ca05cf107665009ffc06b7"
+        }
+    },
+    "bin": [
+        "triangles-qt.exe",
+        "trianglesd.exe"
+    ],
+    "shortcuts": [
+        ["triangles-qt.exe", "Cryptographic Triangles"]
+    ],
+    "checkver": {
+        "github": "https://github.com/SamiAhmed7777/triangles_v5"
+    },
+    "autoupdate": {
+        "architecture": {
+            "64bit": {
+                "url": "https://github.com/SamiAhmed7777/triangles_v5/releases/download/v$version/Cryptographic-Triangles-$version-win-x64.zip"
+            }
+        }
+    }
+}
@@ -1,5 +1,5 @@
 PackageIdentifier: CryptographicTriangles.TrianglesQt
-PackageVersion: 5.3.7
+PackageVersion: 6.1.0
 PackageLocale: en-US
 Publisher: Cryptographic Triangles
 PublisherUrl: https://cryptographic-triangles.org
@@ -27,7 +27,7 @@ Installers:
      - RelativeFilePath: triangles-qt.exe
        PortableCommandAlias: triangles-qt
    ArchiveBinariesDependOnPath: true
-    InstallerUrl: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.3.7/Cryptographic-Triangles-5.3.7-win-x64.zip
+    InstallerUrl: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v6.1.0/Cryptographic-Triangles-6.1.0-win-x64.zip
    InstallerSha256: 6F002A669A7E92AAF3D8DD7B1AE80F06A086C99A15CA05CF107665009FFC06B7
 ManifestType: singleton
 ManifestVersion: 1.6.0
@@ -0,0 +1,29 @@
+# Version Bump Script
+
+Updates the version number across all files in the repo from a single command.
+
+## Usage
+
+**Set a specific version:**
+```bash
+bash scripts/bump-version.sh 5.7.0
+```
+
+**Or edit `src/clientversion.h` first, then sync everything else:**
+```bash
+bash scripts/bump-version.sh
+```
+
+## What it updates
+
+- `src/clientversion.h` (source of truth)
+- `src/version.h`
+- `triangles-qt.pro`
+- `Dockerfile`
+- All packaging manifests (Docker, Snap, Scoop, WinGet, RPM, Flatpak, Debian, AppImage)
+
+## What still needs manual review after running
+
+- `packaging/appstream/...metainfo.xml` — add a new `<release>` entry
+- `README.md` — update header version if desired
+- Any documentation with download URLs
@@ -0,0 +1,149 @@
+#!/bin/bash
+# bump-version.sh - Sync all version references from src/clientversion.h
+#
+# Usage:
+#   ./scripts/bump-version.sh              # Read version from clientversion.h, update everything
+#   ./scripts/bump-version.sh 5.7.0        # Set version to 5.7.0 in clientversion.h AND everywhere else
+#
+# The single source of truth is src/clientversion.h
+
+set -e
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+CLIENTVERSION="$REPO_ROOT/src/clientversion.h"
+
+if [ ! -f "$CLIENTVERSION" ]; then
+    echo "ERROR: Cannot find $CLIENTVERSION"
+    exit 1
+fi
+
+# If a version argument is provided, update clientversion.h first
+if [ -n "$1" ]; then
+    IFS='.' read -r MAJOR MINOR REV <<< "$1"
+    REV="${REV:-0}"
+    BUILD=0
+    sed -i "s/#define CLIENT_VERSION_MAJOR.*/#define CLIENT_VERSION_MAJOR       $MAJOR/" "$CLIENTVERSION"
+    sed -i "s/#define CLIENT_VERSION_MINOR.*/#define CLIENT_VERSION_MINOR       $MINOR/" "$CLIENTVERSION"
+    sed -i "s/#define CLIENT_VERSION_REVISION.*/#define CLIENT_VERSION_REVISION    $REV/" "$CLIENTVERSION"
+    sed -i "s/#define CLIENT_VERSION_BUILD.*/#define CLIENT_VERSION_BUILD       $BUILD/" "$CLIENTVERSION"
+    echo "Updated clientversion.h to $MAJOR.$MINOR.$REV.$BUILD"
+fi
+
+# Read version from clientversion.h (the source of truth)
+MAJOR=$(grep '#define CLIENT_VERSION_MAJOR' "$CLIENTVERSION" | awk '{print $3}')
+MINOR=$(grep '#define CLIENT_VERSION_MINOR' "$CLIENTVERSION" | awk '{print $3}')
+REV=$(grep '#define CLIENT_VERSION_REVISION' "$CLIENTVERSION" | awk '{print $3}')
+BUILD=$(grep '#define CLIENT_VERSION_BUILD' "$CLIENTVERSION" | awk '{print $3}')
+
+VERSION="$MAJOR.$MINOR.$REV"
+VERSION_FULL="$MAJOR.$MINOR.$REV.$BUILD"
+
+echo "Syncing all files to version $VERSION (full: $VERSION_FULL)"
+echo "==========================================================="
+
+update_file() {
+    local file="$1"
+    local pattern="$2"
+    local replacement="$3"
+    if [ -f "$file" ]; then
+        sed -i "$pattern" "$file"
+        echo "  Updated: $file"
+    fi
+}
+
+# --- Source files ---
+
+# src/version.h - DISPLAY_VERSION macros
+update_file "$REPO_ROOT/src/version.h" \
+    "s/#define DISPLAY_VERSION_MAJOR.*/#define DISPLAY_VERSION_MAJOR       $MAJOR/" ""
+update_file "$REPO_ROOT/src/version.h" \
+    "s/#define DISPLAY_VERSION_MINOR.*/#define DISPLAY_VERSION_MINOR       $MINOR/" ""
+update_file "$REPO_ROOT/src/version.h" \
+    "s/#define DISPLAY_VERSION_REVISION.*/#define DISPLAY_VERSION_REVISION    $REV/" ""
+update_file "$REPO_ROOT/src/version.h" \
+    "s/#define DISPLAY_VERSION_BUILD.*/#define DISPLAY_VERSION_BUILD       $BUILD/" ""
+
+# triangles-qt.pro
+update_file "$REPO_ROOT/triangles-qt.pro" \
+    "s/^VERSION = .*/VERSION = $VERSION_FULL/" ""
+
+# --- Docker ---
+
+update_file "$REPO_ROOT/Dockerfile" \
+    "s/LABEL version=\"[^\"]*\"/LABEL version=\"$VERSION\"/" ""
+
+update_file "$REPO_ROOT/packaging/docker/Dockerfile" \
+    "s/LABEL version=\"[^\"]*\"/LABEL version=\"$VERSION\"/" ""
+update_file "$REPO_ROOT/packaging/docker/Dockerfile" \
+    "s/ARG VERSION=.*/ARG VERSION=$VERSION/" ""
+
+update_file "$REPO_ROOT/packaging/docker/docker-compose.yml" \
+    "s|cryptographic-triangles/trianglesd:[0-9.]*|cryptographic-triangles/trianglesd:$VERSION|" ""
+
+# --- Snap ---
+
+update_file "$REPO_ROOT/snap/snapcraft.yaml" \
+    "s/^version: '[^']*'/version: '$VERSION'/" ""
+# Update download URLs in snapcraft.yaml
+if [ -f "$REPO_ROOT/snap/snapcraft.yaml" ]; then
+    sed -i "s|/download/v[0-9.]*\/|/download/v$VERSION/|g" "$REPO_ROOT/snap/snapcraft.yaml"
+    sed -i "s/Cryptographic-Triangles-v[0-9.]*-linux/Cryptographic-Triangles-v$VERSION-linux/g" "$REPO_ROOT/snap/snapcraft.yaml"
+fi
+
+# --- Scoop ---
+
+if [ -f "$REPO_ROOT/packaging/scoop/triangles.json" ]; then
+    sed -i "s/\"version\": \"[^\"]*\"/\"version\": \"$VERSION\"/" "$REPO_ROOT/packaging/scoop/triangles.json"
+    sed -i "s|/download/v[0-9.]*/|/download/v$VERSION/|g" "$REPO_ROOT/packaging/scoop/triangles.json"
+    sed -i "s/Cryptographic-Triangles-[0-9.]*-win/Cryptographic-Triangles-$VERSION-win/g" "$REPO_ROOT/packaging/scoop/triangles.json"
+    echo "  Updated: packaging/scoop/triangles.json"
+fi
+
+# --- WinGet ---
+
+if [ -f "$REPO_ROOT/packaging/winget/CryptographicTriangles.TrianglesQt.yaml" ]; then
+    sed -i "s/PackageVersion: .*/PackageVersion: $VERSION/" "$REPO_ROOT/packaging/winget/CryptographicTriangles.TrianglesQt.yaml"
+    sed -i "s|/download/v[0-9.]*/|/download/v$VERSION/|g" "$REPO_ROOT/packaging/winget/CryptographicTriangles.TrianglesQt.yaml"
+    sed -i "s/Cryptographic-Triangles-[0-9.]*-win/Cryptographic-Triangles-$VERSION-win/g" "$REPO_ROOT/packaging/winget/CryptographicTriangles.TrianglesQt.yaml"
+    echo "  Updated: packaging/winget/CryptographicTriangles.TrianglesQt.yaml"
+fi
+
+# --- RPM ---
+
+update_file "$REPO_ROOT/packaging/rpm/triangles.spec" \
+    "s/^Version:        .*/Version:        $VERSION/" ""
+
+if [ -f "$REPO_ROOT/packaging/rpm/build-rpm.sh" ]; then
+    sed -i "s/^VERSION=\"[^\"]*\"/VERSION=\"$VERSION\"/" "$REPO_ROOT/packaging/rpm/build-rpm.sh"
+    echo "  Updated: packaging/rpm/build-rpm.sh"
+fi
+
+# --- Flatpak ---
+
+if [ -f "$REPO_ROOT/packaging/flatpak/org.cryptographic_triangles.TrianglesQt.yml" ]; then
+    sed -i "s|/download/v[0-9.]*/|/download/v$VERSION/|g" "$REPO_ROOT/packaging/flatpak/org.cryptographic_triangles.TrianglesQt.yml"
+    sed -i "s/Cryptographic-Triangles-v[0-9.]*-linux/Cryptographic-Triangles-v$VERSION-linux/g" "$REPO_ROOT/packaging/flatpak/org.cryptographic_triangles.TrianglesQt.yml"
+    echo "  Updated: packaging/flatpak/org.cryptographic_triangles.TrianglesQt.yml"
+fi
+
+# --- Debian ---
+
+if [ -f "$REPO_ROOT/packaging/debian/build-deb.sh" ]; then
+    sed -i "s/^VERSION=\"[^\"]*\"/VERSION=\"$VERSION\"/" "$REPO_ROOT/packaging/debian/build-deb.sh"
+    echo "  Updated: packaging/debian/build-deb.sh"
+fi
+
+# --- AppImage ---
+
+if [ -f "$REPO_ROOT/packaging/appimage/build-appimage.sh" ]; then
+    sed -i "s/^VERSION=\"[^\"]*\"/VERSION=\"$VERSION\"/" "$REPO_ROOT/packaging/appimage/build-appimage.sh"
+    echo "  Updated: packaging/appimage/build-appimage.sh"
+fi
+
+echo ""
+echo "Done! All files synced to v$VERSION"
+echo ""
+echo "Files NOT auto-updated (require manual review):"
+echo "  - packaging/appstream/...metainfo.xml  (add new <release> entry)"
+echo "  - README.md                            (update header version)"
+echo "  - Documentation .md files              (update download URLs if needed)"
@@ -0,0 +1,86 @@
+#!/usr/bin/env bash
+#
+# build-rocksdb.sh — Build and install a pinned RocksDB version for CI.
+#
+# Ubuntu 22.04's librocksdb-dev is 6.11.4 (the same version that bit
+# DNS2 — see PR #10). Triangles requires RocksDB >= 7.4.0 for the XXH3
+# per-block checksum used in modern smsgDB SST files; src/smessage.cpp's
+# SecMsgDB::Open has a runtime quarantine fallback, but the build-time
+# check in CMakeLists.txt refuses to configure against < 7.4.
+#
+# This script clones RocksDB at a pinned tag, builds only the shared
+# library (fast), installs to /usr/local, and refreshes ldconfig.
+# Triangles' CMake find_library probes /usr/local before /usr/lib so
+# the just-built copy is picked up first.
+#
+# Pinned version matches DNS2's system librocksdb (8.9.1) so test
+# coverage matches production.
+#
+# Usage:  sudo ./scripts/ci/build-rocksdb.sh
+set -euo pipefail
+
+ROCKSDB_VERSION="${ROCKSDB_VERSION:-8.9.1}"
+ROCKSDB_TAG="v${ROCKSDB_VERSION}"
+INSTALL_PREFIX="${INSTALL_PREFIX:-/usr/local}"
+JOBS="${JOBS:-$(nproc)}"
+
+WORKDIR="$(mktemp -d)"
+trap 'rm -rf "$WORKDIR"' EXIT
+
+echo ">>> Building RocksDB ${ROCKSDB_TAG} (${JOBS} jobs) into ${INSTALL_PREFIX}"
+
+git clone --depth 1 --branch "${ROCKSDB_TAG}" \
+    https://github.com/facebook/rocksdb.git "${WORKDIR}/rocksdb"
+
+cd "${WORKDIR}/rocksdb"
+
+# Shared library only — Triangles links dynamically. Statically linking
+# rocksdb.a would also work but balloons the daemon binary by ~50 MB.
+make -j"${JOBS}" shared_lib PORTABLE=1 USE_RTTI=1 \
+    EXTRA_CXXFLAGS="-Wno-error=deprecated-declarations"
+
+make install-shared PREFIX="${INSTALL_PREFIX}"
+
+# Scrub the rocksdb.pc that install-shared just wrote. RocksDB's
+# Makefile unconditionally appends `-isystem third-party/gtest-1.8.1/
+# fused-src` to Cflags, which is a RELATIVE path baked in from the build
+# directory. Modern CMake (>= 3.27) refuses to consume imported targets
+# with non-existent relative paths in INTERFACE_INCLUDE_DIRECTORIES,
+# so pkg_check_modules(rocksdb) on a Triangles configure errors out
+# with: 'Imported target "PkgConfig::RocksDB" includes non-existent
+# path "third-party/gtest-1.8.1/fused-src"'.
+#
+# Replace the bad flag with the absolute include dir so pkg-config
+# consumers see a path that actually exists on disk.
+PC_FILE="${INSTALL_PREFIX}/lib/pkgconfig/rocksdb.pc"
+if [ -f "${PC_FILE}" ]; then
+    sed -i \
+        -e "s|-isystem third-party/gtest-1.8.1/fused-src|-I${INSTALL_PREFIX}/include|g" \
+        -e "s|-isystem \\\${prefix}/third-party/gtest-1.8.1/fused-src|-I${INSTALL_PREFIX}/include|g" \
+        -e 's|-std=c++17 ||g' \
+        -e 's|-std=c++17$||g' \
+        "${PC_FILE}"
+fi
+
+ldconfig
+
+# Sanity: installed library should be on disk and registered with ldconfig.
+# ldconfig strips the patch version from its output, so we check both:
+#   1. File exists at the versioned path (definitive).
+#   2. ldconfig shows a matching major.minor (sanity for runtime linker).
+ROCKSDB_MAJOR_MINOR="${ROCKSDB_VERSION%.*}"
+if [ ! -f "${INSTALL_PREFIX}/lib/librocksdb.so.${ROCKSDB_VERSION}" ]; then
+    echo "!!! librocksdb.so.${ROCKSDB_VERSION} not found at ${INSTALL_PREFIX}/lib/" >&2
+    ls -l "${INSTALL_PREFIX}/lib/librocksdb"* 2>&1 || true
+    exit 1
+fi
+if ! ldconfig -p | grep -q "librocksdb.so.${ROCKSDB_MAJOR_MINOR}"; then
+    echo "!!! ldconfig did not register librocksdb.so.${ROCKSDB_MAJOR_MINOR}" >&2
+    ldconfig -p | grep -i rocksdb >&2 || true
+    exit 1
+fi
+
+echo ">>> RocksDB ${ROCKSDB_TAG} installed to ${INSTALL_PREFIX}"
+echo ">>>  - library:  ${INSTALL_PREFIX}/lib/librocksdb.so.${ROCKSDB_VERSION}"
+echo ">>>  - headers:  ${INSTALL_PREFIX}/include/rocksdb/version.h"
+ls -l "${INSTALL_PREFIX}/lib/librocksdb.so"* "${INSTALL_PREFIX}/include/rocksdb/version.h"
@@ -0,0 +1,142 @@
+#!/usr/bin/env bash
+# scripts/ci/package-linux-daemon.sh
+#
+# Linux packaging step for the triangles daemon + CLI .deb.
+# Called from .github/workflows/build-all.yml build-linux-daemon step.
+#
+# Builds a self-contained .deb with trianglesd, triangles-cli, bundled libs,
+# Tor, systemd service, and CLI launchers. Designed to be reproducible and
+# debuggable outside the CI environment.
+#
+# Usage: bash scripts/ci/package-linux-daemon.sh <version>
+
+set -euo pipefail
+
+VERSION="${1:-0.0.0}"
+PKG="cryptographic-triangles-daemon_${VERSION}_amd64"
+TOR_VERSION="${TOR_VERSION:-15.0.9}"
+
+echo ">>> Building .deb for triangles ${VERSION}"
+
+# Stage directories
+rm -rf "${PKG}"
+mkdir -p "${PKG}/DEBIAN"
+mkdir -p "${PKG}/usr/lib/cryptographic-triangles/lib"
+mkdir -p "${PKG}/usr/lib/cryptographic-triangles/tor"
+mkdir -p "${PKG}/usr/bin"
+mkdir -p "${PKG}/etc/systemd/system"
+
+# Download + extract Tor
+TOR_TARBALL="tor-expert-bundle-linux-x86_64-${TOR_VERSION}.tar.gz"
+if [ ! -f "${TOR_TARBALL}" ]; then
+    echo ">>> Downloading Tor ${TOR_VERSION}..."
+    curl -sL "https://archive.torproject.org/tor-package-archive/torbrowser/${TOR_VERSION}/${TOR_TARBALL}" -o "${TOR_TARBALL}"
+fi
+mkdir -p tor-extract
+tar -xzf "${TOR_TARBALL}" -C tor-extract
+
+# Copy binaries
+cp "build/bin/trianglesd"    "${PKG}/usr/lib/cryptographic-triangles/"
+cp "build/bin/triangles-cli" "${PKG}/usr/lib/cryptographic-triangles/"
+
+# Copy Tor
+cp "tor-extract/tor/tor" "${PKG}/usr/lib/cryptographic-triangles/tor/"
+chmod +x "${PKG}/usr/lib/cryptographic-triangles/tor/tor"
+if [ -d "tor-extract/data" ]; then
+    cp -r "tor-extract/data" "${PKG}/usr/lib/cryptographic-triangles/tor/data"
+fi
+
+# Bundle shared library dependencies (skip glibc/kernel — always present)
+echo ">>> Bundling shared library dependencies..."
+ALL_LIBS="$(mktemp)"
+trap 'rm -f "${ALL_LIBS}"' EXIT
+
+for bin in trianglesd triangles-cli; do
+    ldd "build/bin/${bin}" 2>/dev/null \
+        | grep '=> /' \
+        | awk '{print $3}' \
+        >> "${ALL_LIBS}" || true
+done
+
+if [ -s "${ALL_LIBS}" ]; then
+    sort -u "${ALL_LIBS}" | while IFS= read -r lib; do
+        if [ -z "${lib}" ]; then continue; fi
+        case "${lib}" in
+            /lib/x86_64-linux-gnu/libc.so*|/lib/x86_64-linux-gnu/libm.so*|/lib/x86_64-linux-gnu/libpthread.so*|/lib/x86_64-linux-gnu/libdl.so*|/lib/x86_64-linux-gnu/librt.so*|/lib/x86_64-linux-gnu/ld-linux*|/lib64/ld-linux*)
+                ;;  # Skip glibc core
+            *)
+                cp -L "${lib}" "${PKG}/usr/lib/cryptographic-triangles/lib/" 2>/dev/null || true
+                ;;
+        esac
+    done
+fi
+
+echo ">>> Bundled libs:"
+ls -la "${PKG}/usr/lib/cryptographic-triangles/lib/" | tail -n +2 | wc -l
+
+# Launchers (set LD_LIBRARY_PATH for bundled libs)
+cat > "${PKG}/usr/bin/trianglesd" << 'LAUNCHER'
+#!/bin/bash
+INSTALL_DIR=/usr/lib/cryptographic-triangles
+export LD_LIBRARY_PATH="${INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
+exec "${INSTALL_DIR}/trianglesd" "$@"
+LAUNCHER
+chmod +x "${PKG}/usr/bin/trianglesd"
+
+cat > "${PKG}/usr/bin/triangles-cli" << 'LAUNCHER'
+#!/bin/bash
+INSTALL_DIR=/usr/lib/cryptographic-triangles
+export LD_LIBRARY_PATH="${INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
+exec "${INSTALL_DIR}/triangles-cli" "$@"
+LAUNCHER
+chmod +x "${PKG}/usr/bin/triangles-cli"
+
+# systemd unit
+cat > "${PKG}/etc/systemd/system/trianglesd.service" << 'SVC'
+[Unit]
+Description=Cryptographic Triangles Daemon
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+Environment=LD_LIBRARY_PATH=/usr/lib/cryptographic-triangles/lib
+ExecStart=/usr/lib/cryptographic-triangles/trianglesd
+Restart=on-failure
+RestartSec=10
+
+[Install]
+WantedBy=multi-user.target
+SVC
+
+# DEBIAN/control
+cat > "${PKG}/DEBIAN/control" << CTRL
+Package: cryptographic-triangles-daemon
+Version: ${VERSION}
+Architecture: amd64
+Maintainer: Cryptographic Triangles <dev@cryptographic-triangles.org>
+Description: Cryptographic Triangles daemon + CLI with integrated Tor
+ Fully self-contained headless node + JSON-RPC client with all libraries,
+ Tor, and systemd service. No external dependencies required.
+Section: finance
+Priority: optional
+CTRL
+
+# DEBIAN/postinst
+cat > "${PKG}/DEBIAN/postinst" << 'POST'
+#!/bin/bash
+systemctl daemon-reload
+echo ""
+echo "Cryptographic Triangles daemon + CLI installed."
+echo "  Start daemon: sudo systemctl start trianglesd"
+echo "  On boot:      sudo systemctl enable trianglesd"
+echo "  Use CLI:      triangles-cli getinfo"
+echo ""
+POST
+chmod +x "${PKG}/DEBIAN/postinst"
+
+# Build the .deb
+dpkg-deb --build "${PKG}"
+echo ">>> Built: ${PKG}.deb"
+ls -la "${PKG}.deb"
+exit 0
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+# scripts/ci/package-windows-daemon.sh
+#
+# Windows MSYS2 packaging step for the triangles daemon + CLI.
+# Called from .github/workflows/build-all.yml build-windows-daemon step.
+#
+# Why a script file instead of inline YAML:
+# The GitHub Actions msys2 shell wrapper has shown inconsistent handling of
+# multi-line inline run: blocks under `set -e -o pipefail` (silent exits with
+# code 1). A committed script file bypasses the YAML → shell translation
+# quirks and gives us a known-good artifact that we can also run locally in
+# MSYS2 for debugging.
+#
+# Usage: bash scripts/ci/package-windows-daemon.sh <dist-dir> <bin> [<bin> ...]
+# Example: bash scripts/ci/package-windows-daemon.sh daemon-dist trianglesd triangles-cli
+
+set -euo pipefail
+
+DIST="${1:-daemon-dist}"
+shift
+BINS=("$@")
+
+if [ "${#BINS[@]}" -eq 0 ]; then
+    echo "Usage: $0 <dist-dir> <bin> [<bin> ...]" >&2
+    echo "  e.g. $0 daemon-dist trianglesd triangles-cli" >&2
+    exit 2
+fi
+
+echo ">>> Package step: bins=${BINS[*]} dist=${DIST}"
+
+# Make the dist directory
+mkdir -p "${DIST}/tor"
+
+# Copy each binary to dist/
+for bin in "${BINS[@]}"; do
+    src="build/bin/${bin}.exe"
+    if [ ! -f "${src}" ]; then
+        echo "ERROR: ${src} not found" >&2
+        exit 3
+    fi
+    cp "${src}" "${DIST}/"
+    echo "  copied ${src} -> ${DIST}/"
+done
+
+# Copy linked DLLs (union of all binaries' dependencies, deduped)
+echo ">>> Collecting DLLs from ldd output..."
+ALL_DLLS="$(mktemp)"
+trap 'rm -f "${ALL_DLLS}"' EXIT
+
+for bin in "${BINS[@]}"; do
+    src="build/bin/${bin}.exe"
+    ldd "${src}" 2>/dev/null \
+        | grep '/mingw64' \
+        | awk '{print $3}' \
+        >> "${ALL_DLLS}" || true
+done
+
+if [ ! -s "${ALL_DLLS}" ]; then
+    echo "WARNING: no /mingw64 DLLs found in ldd output for ${BINS[*]}" >&2
+else
+    echo ">>> Copying $(sort -u "${ALL_DLLS}" | wc -l) unique DLLs..."
+    sort -u "${ALL_DLLS}" | while IFS= read -r dll; do
+        if [ -n "${dll}" ] && [ -f "${dll}" ]; then
+            cp "${dll}" "${DIST}/" || echo "WARN: failed to copy ${dll}" >&2
+        fi
+    done
+fi
+
+echo ">>> Package complete: $(ls -1 "${DIST}" | wc -l) files in ${DIST}/"
+ls -la "${DIST}/"
+exit 0
@@ -0,0 +1,210 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Fresh-datadir IBD smoke test for TRI.
+# Goal: detect the classic "starts from zero but stalls early / loops around 570"
+# failure mode, and verify that sync keeps making forward progress.
+#
+# Example:
+#   bash scripts/ibd-smoke-test.sh \
+#     --bin ./build/src/trianglesd \
+#     --bootstrap-url http://100.104.4.5:8085/triangles-bootstrap.tar.gz \
+#     --addnode 74.208.167.19 --addnode 194.233.88.206
+
+BIN="${BIN:-./build/src/trianglesd}"
+TIMEOUT_SECONDS="${TIMEOUT_SECONDS:-1800}"   # 30 minutes target window
+POLL_SECONDS="${POLL_SECONDS:-15}"
+STALL_WINDOW_SECONDS="${STALL_WINDOW_SECONDS:-180}"
+BOOTSTRAP_URL="${BOOTSTRAP_URL:-}"
+WORKDIR="${WORKDIR:-}"
+RPC_PORT="${RPC_PORT:-19192}"
+P2P_PORT="${P2P_PORT:-24193}"
+MIN_EXPECTED_HEIGHT="${MIN_EXPECTED_HEIGHT:-5000}"
+ALLOW_IBD="${ALLOW_IBD:-0}"
+WHITELIST="${WHITELIST:-127.0.0.1}"
+ADDNODES=()
+
+usage() {
+  cat <<EOF
+Usage: $0 [options]
+
+Options:
+  --bin PATH               trianglesd binary (default: $BIN)
+  --bootstrap-url URL      optional bootstrap tar.gz URL to preload
+  --workdir PATH           use an explicit temp workdir
+  --rpc-port N             RPC port for test node (default: $RPC_PORT)
+  --p2p-port N             P2P port for test node (default: $P2P_PORT)
+  --timeout N              total test timeout seconds (default: $TIMEOUT_SECONDS)
+  --poll N                 poll interval seconds (default: $POLL_SECONDS)
+  --stall-window N         no-progress failure window seconds (default: $STALL_WINDOW_SECONDS)
+  --min-height N           minimum expected height/progress floor (default: $MIN_EXPECTED_HEIGHT)
+  --allow-ibd              allow test to pass while still in IBD if progress is strong
+  --addnode HOST           trusted peer to add (repeatable)
+  -h, --help               show this help
+EOF
+}
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --bin) BIN="$2"; shift 2 ;;
+    --bootstrap-url) BOOTSTRAP_URL="$2"; shift 2 ;;
+    --workdir) WORKDIR="$2"; shift 2 ;;
+    --rpc-port) RPC_PORT="$2"; shift 2 ;;
+    --p2p-port) P2P_PORT="$2"; shift 2 ;;
+    --timeout) TIMEOUT_SECONDS="$2"; shift 2 ;;
+    --poll) POLL_SECONDS="$2"; shift 2 ;;
+    --stall-window) STALL_WINDOW_SECONDS="$2"; shift 2 ;;
+    --min-height) MIN_EXPECTED_HEIGHT="$2"; shift 2 ;;
+    --allow-ibd) ALLOW_IBD=1; shift ;;
+    --addnode) ADDNODES+=("$2"); shift 2 ;;
+    -h|--help) usage; exit 0 ;;
+    *) echo "unknown arg: $1" >&2; usage; exit 2 ;;
+  esac
+done
+
+if [[ ! -x "$BIN" ]]; then
+  echo "ERROR: trianglesd binary not executable: $BIN" >&2
+  exit 2
+fi
+
+if [[ -z "$WORKDIR" ]]; then
+  WORKDIR="$(mktemp -d /tmp/tri-ibd-smoke-XXXXXX)"
+fi
+DATADIR="$WORKDIR/datadir"
+mkdir -p "$DATADIR"
+
+RPCUSER="tri_test"
+RPCPASSWORD="tri_test_$(date +%s)_$RANDOM"
+CONF="$DATADIR/triangles.conf"
+cat > "$CONF" <<EOF
+server=1
+daemon=1
+staking=0
+listen=1
+discover=0
+upnp=0
+tor=0
+irc=0
+dnsseed=1
+checkpoints=1
+rpcuser=$RPCUSER
+rpcpassword=$RPCPASSWORD
+rpcport=$RPC_PORT
+port=$P2P_PORT
+maxconnections=32
+whitelist=$WHITELIST
+logtimestamps=1
+EOF
+
+for host in "${ADDNODES[@]}"; do
+  echo "addnode=$host" >> "$CONF"
+done
+
+cleanup() {
+  "$BIN" -datadir="$DATADIR" -conf="$CONF" stop >/dev/null 2>&1 || true
+  sleep 2 || true
+  pkill -f "$DATADIR" >/dev/null 2>&1 || true
+}
+trap cleanup EXIT
+
+if [[ -n "$BOOTSTRAP_URL" ]]; then
+  echo "[ibd-test] downloading bootstrap: $BOOTSTRAP_URL"
+  curl -L --fail --max-time 1800 "$BOOTSTRAP_URL" -o "$WORKDIR/bootstrap.tar.gz"
+  tar xzf "$WORKDIR/bootstrap.tar.gz" -C "$DATADIR"
+  rm -f "$DATADIR/database/log."* "$DATADIR/txleveldb/LOCK" "$DATADIR/smsgDB/LOCK" 2>/dev/null || true
+fi
+
+echo "[ibd-test] starting node from datadir: $DATADIR"
+"$BIN" -daemon -datadir="$DATADIR" -conf="$CONF" >/dev/null
+sleep 6
+
+rpc() {
+  local method="$1"
+  local params="${2:-[]}"
+  curl -sS --fail --user "$RPCUSER:$RPCPASSWORD" \
+    --data-binary "{\"jsonrpc\":\"1.0\",\"id\":\"ibd\",\"method\":\"$method\",\"params\":$params}" \
+    -H 'content-type: text/plain;' "http://127.0.0.1:$RPC_PORT/"
+}
+
+extract_json() {
+  python3 -c 'import json,sys; obj=json.load(sys.stdin); print(obj["result"])'
+}
+
+extract_field() {
+  local field="$1"
+  python3 -c 'import json,sys; obj=json.load(sys.stdin); val=obj["result"].get(sys.argv[1]); print(val if val is not None else "")' "$field"
+}
+
+start_ts=$(date +%s)
+last_progress_ts=$start_ts
+last_height=-1
+samples=0
+same_570_loops=0
+best_height=0
+
+while true; do
+  now=$(date +%s)
+  elapsed=$((now - start_ts))
+  if (( elapsed > TIMEOUT_SECONDS )); then
+    echo "FAIL: timeout after ${elapsed}s"
+    break
+  fi
+
+  if info_json="$(rpc getblockchaininfo 2>/dev/null)"; then
+    height=$(printf '%s' "$info_json" | extract_field blocks)
+    ibd=$(printf '%s' "$info_json" | extract_field initialblockdownload)
+    headers=$(printf '%s' "$info_json" | extract_field headers)
+  else
+    height=""
+    ibd=""
+    headers=""
+  fi
+
+  peers=0
+  if peer_json="$(rpc getconnectioncount 2>/dev/null)"; then
+    peers=$(printf '%s' "$peer_json" | extract_json)
+  fi
+
+  if [[ -n "$height" && "$height" != "$last_height" ]]; then
+    last_progress_ts=$now
+    last_height="$height"
+    if (( height > best_height )); then
+      best_height=$height
+    fi
+  fi
+
+  log_file="$DATADIR/debug.log"
+  if [[ -f "$log_file" ]]; then
+    loop_hits=$(tail -n 400 "$log_file" | grep -c 'start=571' || true)
+    if (( loop_hits >= 3 )); then
+      same_570_loops=$loop_hits
+    fi
+  fi
+
+  echo "[ibd-test] t=${elapsed}s height=${height:-?} headers=${headers:-?} ibd=${ibd:-?} peers=$peers best=$best_height"
+
+  if [[ -n "$height" ]] && (( best_height >= MIN_EXPECTED_HEIGHT )) && [[ "$ibd" == "False" || "$ibd" == "false" ]]; then
+    echo "PASS: left IBD and reached height $best_height"
+    exit 0
+  fi
+
+  if [[ "$ALLOW_IBD" == "1" && -n "$height" ]] && (( best_height >= MIN_EXPECTED_HEIGHT )); then
+    echo "PASS: strong sync progress observed (height $best_height) even though IBD remains true"
+    exit 0
+  fi
+
+  if (( now - last_progress_ts > STALL_WINDOW_SECONDS )); then
+    echo "FAIL: no block-height progress for $((now - last_progress_ts))s"
+    if (( same_570_loops > 0 )); then
+      echo "HINT: detected repeated start=571 loop pattern ($same_570_loops hits in recent log tail)"
+    fi
+    echo "--- debug tail ---"
+    tail -n 120 "$log_file" 2>/dev/null || true
+    exit 1
+  fi
+
+  ((samples++)) || true
+  sleep "$POLL_SECONDS"
+done
+
+exit 1
@@ -0,0 +1,106 @@
+#!/usr/bin/env bash
+# .git/hooks/pre-commit — Cryptographic Triangles
+#
+# Auto-runs scripts/validate_onion_seeds.py against any staged file that
+# contains .onion addresses. Blocks the commit if any address fails v3
+# onion checksum validation.
+#
+# This is the primary defense against the "1-character .onion transposition
+# bug" that caused 4,842 Tor "No more HSDir" errors during the 2026-06-21
+# from-zero sync test. See scripts/validate_onion_seeds.py for the validator
+# and references/sync-security-audit-2026-06-21.md for the full story.
+#
+# The hook scans staged files for two patterns:
+#   1. Filename matches: triangles.conf, *.onion
+#   2. Content contains addnode= entries with .onion addresses
+#
+# To install:
+#   cp scripts/pre-commit .git/hooks/pre-commit
+#   chmod +x .git/hooks/pre-commit
+#
+# To bypass (in emergencies only — NEVER do this for normal commits):
+#   git commit --no-verify
+
+set -e
+
+REPO_ROOT="$(git rev-parse --show-toplevel)"
+VALIDATOR="${REPO_ROOT}/scripts/validate_onion_seeds.py"
+
+# Find the validator
+if [[ ! -x "$VALIDATOR" ]]; then
+    echo "pre-commit: WARNING: $VALIDATOR not found or not executable" >&2
+    echo "pre-commit: skipping v3 onion validation" >&2
+    echo "pre-commit: install with: chmod +x $VALIDATOR" >&2
+    exit 0
+fi
+
+# Two-pass detection:
+#   Pass 1: filename-based — files named triangles.conf or *.onion
+#   Pass 2: content-based — any file containing "addnode=" + .onion address
+
+STAGED_FILES=$(git diff --cached --name-only --diff-filter=ACMR)
+
+# Pass 1: filename-based
+NAME_MATCHES=$(echo "$STAGED_FILES" | grep -E '(triangles\.conf$|\.onion$)' || true)
+
+# Pass 2: content-based — find staged files containing addnode= with .onion addresses
+CONTENT_MATCHES=""
+for f in $STAGED_FILES; do
+    if [[ -f "$f" ]] && grep -qE '^[[:space:]]*addnode=[a-z2-7]{56}\.onion' "$f" 2>/dev/null; then
+        CONTENT_MATCHES="$CONTENT_MATCHES $f"
+    fi
+done
+
+# Combine and dedupe
+ALL_MATCHES=$(printf "%s\n%s\n" "$NAME_MATCHES" "$CONTENT_MATCHES" | sort -u | grep -v '^$' || true)
+
+if [[ -z "$ALL_MATCHES" ]]; then
+    # Nothing to validate
+    exit 0
+fi
+
+# Filter to only files that exist (skip deletions)
+EXISTING_CONFIGS=""
+for f in $ALL_MATCHES; do
+    if [[ -f "$f" ]]; then
+        EXISTING_CONFIGS="$EXISTING_CONFIGS $f"
+    fi
+done
+
+if [[ -z "$EXISTING_CONFIGS" ]]; then
+    exit 0
+fi
+
+COUNT=$(echo $EXISTING_CONFIGS | wc -w)
+echo "pre-commit: validating $COUNT staged file(s) with .onion addresses..."
+
+# Build the validator command
+CMD="python3 \"$VALIDATOR\" --no-color --ci"
+if [[ -f "${REPO_ROOT}/src/onionseed.h" ]]; then
+    CMD="$CMD --against \"${REPO_ROOT}/src/onionseed.h\""
+fi
+
+# Run the validator
+if eval $CMD $EXISTING_CONFIGS; then
+    echo "pre-commit: v3 onion validation PASSED"
+    exit 0
+else
+    EXIT_CODE=$?
+    echo "" >&2
+    echo "pre-commit: v3 onion validation FAILED (exit $EXIT_CODE)" >&2
+    echo "" >&2
+    echo "  The commit was blocked because one or more .onion addresses failed" >&2
+    echo "  v3 hidden service checksum validation. This means the .onion address" >&2
+    echo "  has a typo or character transposition that Tor will reject at runtime" >&2
+    echo "  with 'ed25519 validation failed' / 'No more HSDir available to query'." >&2
+    echo "" >&2
+    echo "  Fix the .onion address in the affected file, then re-stage and commit." >&2
+    echo "" >&2
+    echo "  To inspect the failure in detail, run manually:" >&2
+    echo "    python3 $VALIDATOR --against ${REPO_ROOT}/src/onionseed.h \\" >&2
+    echo "      $EXISTING_CONFIGS" >&2
+    echo "" >&2
+    echo "  To bypass this check (DO NOT do this for normal commits):" >&2
+    echo "    git commit --no-verify" >&2
+    exit 1
+fi
@@ -0,0 +1,182 @@
+#!/usr/bin/env bash
+# ============================================================================
+# Triangles UTXO Snapshot Signer
+# ============================================================================
+# Generates a UTXO snapshot from the current node, signs its provenance
+# message with the wallet's signing address, and writes the signed manifest.
+#
+# Usage:
+#   ./sign-snapshot.sh [snapshot-name]
+#
+# Default snapshot name: tri-utxo-snapshot-<timestamp>.utx
+# Output (in this dir):
+#   <snapshot-name>              - the UTXO snapshot binary
+#   <snapshot-name>.sig          - base64 signature
+#   <snapshot-name>.msg          - signed message (human-readable provenance)
+#   <snapshot-name>.manifest.json - signed manifest (drop into bootstrap dir)
+#   <snapshot-name>.pubkey       - signing address
+#
+# Requirements:
+#   - trianglesd running with RPC enabled
+#   - wallet unlocked (or passphrase set in triangles.conf)
+#   - jq installed (apt: jq / brew: jq)
+#
+# Verification:
+#   ./sign-snapshot.sh verify <manifest.json> <snapshot-file>
+#   OR via RPC:
+#     verifymessage <addr> <sig> <msg>
+# ============================================================================
+
+set -euo pipefail
+
+# ----- Config (override via env) -----
+RPC_USER="${RPC_USER:-trianglesrpc}"
+RPC_PASS="${RPC_PASS:-2KVK2FvLZBW9Hxv4a2Uj3dMRDAXdh4ei6S5tdZ3z2Mme}"
+RPC_HOST="${RPC_HOST:-127.0.0.1}"
+RPC_PORT="${RPC_PORT:-19112}"
+SIGN_ACCOUNT="${SIGN_ACCOUNT:-}"      # blank = use default account
+NHEADERS="${NHEADERS:-2000}"
+SNAP_DIR="${SNAP_DIR:-.}"
+
+# ----- Helpers -----
+rpc() {
+    local method="$1"; shift
+    local params="$1"; shift || true
+    curl -s --user "${RPC_USER}:${RPC_PASS}" \
+         -X POST -H 'Content-Type: application/json' \
+         --data "{\"jsonrpc\":\"1.0\",\"method\":\"${method}\",\"params\":${params}}" \
+         "http://${RPC_HOST}:${RPC_PORT}/"
+}
+
+rpc_field() {
+    local method="$1"; shift
+    local params="$1"; shift || true
+    local field="$1"; shift
+    rpc "$method" "$params" | jq -r ".result.${field} // empty"
+}
+
+sha256_file() { sha256sum "$1" | awk '{print $1}'; }
+
+# ----- Verify mode -----
+if [[ "${1:-}" == "verify" ]]; then
+    MANIFEST="${2:?usage: $0 verify <manifest.json> <snapshot-file>}"
+    SNAP="${3:?usage: $0 verify <manifest.json> <snapshot-file>}"
+    ADDR=$(jq -r '.signing_address' "$MANIFEST")
+    SIG=$(jq -r '.signature' "$MANIFEST")
+    MSG=$(jq -r '.message' "$MANIFEST")
+    EXPECTED_SHA=$(jq -r '.snapshot_sha256' "$MANIFEST")
+
+    echo "==> Verifying snapshot provenance..."
+    echo "    Address:  $ADDR"
+    echo "    Message:  $MSG"
+
+    ACTUAL_SHA=$(sha256_file "$SNAP")
+    if [[ "$ACTUAL_SHA" != "$EXPECTED_SHA" ]]; then
+        echo "FAIL: snapshot sha256 mismatch"
+        echo "  expected: $EXPECTED_SHA"
+        echo "  actual:   $ACTUAL_SHA"
+        exit 1
+    fi
+    echo "OK: sha256 matches"
+
+    PARAMS=$(jq -nc --arg a "$ADDR" --arg s "$SIG" --arg m "$MSG" \
+                   '[$a, $s, $m]')
+    RESULT=$(rpc verifymessage "$PARAMS" | jq -r '.result')
+    if [[ "$RESULT" == "true" ]]; then
+        echo "OK: signature valid — snapshot was signed by $ADDR"
+        exit 0
+    else
+        echo "FAIL: signature does not verify"
+        exit 1
+    fi
+fi
+
+# ----- Generate + sign -----
+SNAP_NAME="${1:-tri-utxo-snapshot-$(date -u +%Y%m%dT%H%M%SZ).utx}"
+SNAP_PATH="${SNAP_DIR}/${SNAP_NAME}"
+
+echo "==> Step 1/5: querying chain state..."
+HEIGHT=$(rpc_field getblockcount '[]' '' || echo "")
+if [[ -z "$HEIGHT" ]]; then
+    rpc_field getblockcount '[]' ''  # re-run for error visibility
+    echo "FAIL: RPC getblockcount failed"; exit 1
+fi
+HEIGHT=$(rpc getblockcount '[]' | jq -r '.result')
+BLOCKHASH=$(rpc getbestblockhash '[]' | jq -r '.result')
+echo "    height:   $HEIGHT"
+echo "    blockhash:$BLOCKHASH"
+
+echo "==> Step 2/5: selecting signing address..."
+if [[ -n "$SIGN_ACCOUNT" ]]; then
+    PARAMS=$(jq -nc --arg a "$SIGN_ACCOUNT" '[$a]')
+else
+    PARAMS='[""]'
+fi
+ADDR=$(rpc getaccountaddress "$PARAMS" | jq -r '.result')
+echo "    signer:   $ADDR"
+
+echo "==> Step 3/5: dumping UTXO snapshot..."
+PARAMS=$(jq -nc --arg f "$SNAP_PATH" --argjson n "$NHEADERS" '[$f, $n]')
+DUMP_RESULT=$(rpc dumputxoset "$PARAMS")
+echo "$DUMP_RESULT" | jq -r '.result // .error.message // .'
+SIZE=$(echo "$DUMP_RESULT" | jq -r '.result.file_size // empty')
+if [[ -z "$SIZE" ]]; then
+    echo "FAIL: dumputxoset failed"; exit 1
+fi
+echo "    size:     $SIZE bytes"
+
+echo "==> Step 4/5: signing provenance message..."
+SHA=$(sha256_file "$SNAP_PATH")
+MSG="Triangles UTXO Snapshot $(date -u +%Y-%m-%d): height=$HEIGHT hash=$BLOCKHASH sha256=$SHA"
+echo "    message:  $MSG"
+PARAMS=$(jq -nc --arg a "$ADDR" --arg m "$MSG" '[$a, $m]')
+SIG=$(rpc signmessage "$PARAMS" | jq -r '.result')
+echo "    sig:      $SIG"
+
+echo "==> Step 5/5: writing manifest + sidecars..."
+MANIFEST_PATH="${SNAP_PATH}.manifest.json"
+jq -n \
+   --arg name "$SNAP_NAME" \
+   --arg height "$HEIGHT" \
+   --arg hash "$BLOCKHASH" \
+   --arg sha "$SHA" \
+   --arg size "$SIZE" \
+   --arg msg "$MSG" \
+   --arg sig "$SIG" \
+   --arg addr "$ADDR" \
+   --arg ts "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+   --arg ver "$(rpc getnetworkinfo '[]' | jq -r '.result.version // "unknown"')" \
+   '{
+        schema: "triangles-utxo-snapshot-signed/v1",
+        name: $name,
+        generated_utc: $ts,
+        daemon_version: $ver,
+        chain_tip: { height: ($height | tonumber), blockhash: $hash },
+        snapshot_sha256: $sha,
+        snapshot_bytes: ($size | tonumber),
+        signing_address: $addr,
+        message: $msg,
+        signature: $sig
+    }' > "$MANIFEST_PATH"
+
+# Sidecar files for easy reading
+echo "$ADDR"  > "${SNAP_PATH}.pubkey"
+echo "$MSG"   > "${SNAP_PATH}.msg"
+echo "$SIG"   > "${SNAP_PATH}.sig"
+
+echo ""
+echo "============================================================"
+echo "Snapshot signed."
+echo "  snapshot:      $SNAP_PATH"
+echo "  signature:     ${SNAP_PATH}.sig"
+echo "  manifest:      $MANIFEST_PATH"
+echo "  signer:        $ADDR"
+echo "  sha256:        $SHA"
+echo "============================================================"
+echo ""
+echo "To verify on any node:"
+echo "  verifymessage $ADDR \\"
+echo "    '$SIG' \\"
+echo "    '$MSG'"
+echo ""
+echo "Or run: $0 verify $MANIFEST_PATH $SNAP_PATH"
@@ -0,0 +1,77 @@
+# tri — Cryptographic Triangles CLI
+
+A friendly bash wrapper around `trianglesd` RPC for humans and agents.
+
+## Install
+
+```bash
+# System-wide
+sudo cp tri /usr/local/bin/tri
+sudo chmod +x /usr/local/bin/tri
+sudo mkdir -p /etc/tri
+sudo cp nodes.conf.example /etc/tri/nodes.conf
+# Edit /etc/tri/nodes.conf with your node's RPC credentials
+
+# Bash completion
+sudo cp tri-completion.bash /etc/bash_completion.d/
+
+# Zsh completion
+sudo cp _tri_zsh_completion /usr/local/share/zsh/site-functions/_tri
+```
+
+## Config
+
+Edit `/etc/tri/nodes.conf`:
+
+```bash
+TRI_SSH_HOST="100.81.59.99"       # Node IP (or remove for local)
+TRI_SSH_USER="root"
+TRI_RPC_PORT="19112"
+TRI_RPC_USER="your-rpc-user"
+TRI_RPC_PASS="your-rpc-password"
+# TRI_WALLET_PASSPHRASE="wallet-passphrase"  # If wallet is encrypted
+```
+
+## Commands
+
+### Info
+- `tri` — Status overview
+- `tri status` — Detailed node status
+- `tri balance` — Wallet balance + UTXO count
+- `tri peers` — Connected peers
+- `tri stake` — Staking info
+
+### Wallet
+- `tri address new` — New address
+- `tri address list` — List addresses
+- `tri address balance` — Per-address balances
+- `tri send <addr> <amt> [memo]` — Send TRI
+- `tri tx [N]` — Recent transactions
+- `tri tx <txid>` — Transaction details
+
+### Secure Messaging
+- `tri msg inbox` — Read messages
+- `tri msg outbox` — Sent messages
+- `tri msg send <from> <to> <msg>` — Send encrypted message
+- `tri msg anon <to> <msg>` — Anonymous message
+- `tri msg keys` — Messaging keys
+- `tri msg enable` — Enable secure messaging
+- `tri msg pubkey <addr>` — Get public key
+
+### Advanced
+- `tri raw <method> [params...]` — Raw RPC passthrough
+
+## Agent Integration (Hermes, Krystie)
+
+Both agents on DNS2 share the same `/etc/tri/nodes.conf` and can execute all commands.
+For inter-agent messaging via TRI's encrypted P2P network:
+
+1. Each agent needs a TRI address: `tri address new`
+2. Enable messaging: `tri msg enable`
+3. Register key: `tri raw smsglocalkeys recv + <address>`
+4. Exchange addresses between agents
+5. Send: `tri msg send <hermes_addr> <krystie_addr> "message"`
+6. Read: `tri msg inbox`
+
+Messages are encrypted (ECDH), routed through the Tor P2P network,
+stored for 48 hours, max 4096 bytes each.
@@ -0,0 +1,39 @@
+#compdef tri
+
+_tri() {
+    local -a commands
+    commands=(
+        'status:Detailed node status'
+        'balance:Wallet balance'
+        'peers:Connected peers'
+        'stake:Staking info'
+        'address:Address management'
+        'send:Send TRI'
+        'tx:Transactions'
+        'msg:Secure messaging'
+        'raw:Raw RPC passthrough'
+        'help:Show help'
+    )
+    
+    _arguments -C \
+        "1:command:->command" \
+        "*::arg:->args"
+    
+    case "$state" in
+        command)
+            _describe 'tri command' commands
+            ;;
+        args)
+            case ${words[1]} in
+                address|addr)
+                    _values 'subcommand' 'new' 'list' 'balance'
+                    ;;
+                msg|message|messages)
+                    _values 'subcommand' 'inbox' 'outbox' 'send' 'anon' 'keys' 'enable' 'pubkey' 'unlock'
+                    ;;
+            esac
+            ;;
+    esac
+}
+
+_tri "$@"
@@ -0,0 +1,32 @@
+# /etc/tri/nodes.conf — Triangles node configuration
+#
+# Shared by Hermes and Krystie. Both agents on DNS2 tunnel RPC
+# to the trianglesd node on DNS3 via SSH.
+#
+# Node: DNS3 (100.81.59.99)
+
+# ─── Connection ──────────────────────────────────────────────────────────────
+
+# RPC is only accessible on localhost at the node, so we SSH-tunnel
+TRI_SSH_HOST="your-node-ip-here"
+TRI_SSH_USER="root"
+
+# RPC credentials (as set in triangles.conf on the node)
+TRI_RPC_HOST="127.0.0.1"
+TRI_RPC_PORT="19112"
+TRI_RPC_USER="your-rpc-user-here"
+TRI_RPC_PASS="your-rpc-password-here"
+
+# ─── Wallet ──────────────────────────────────────────────────────────────────
+
+# Wallet passphrase for unlocking (needed for messaging + sending)
+# Leave empty if wallet is unencrypted or set via env var TRI_WALLET_PASSPHRASE
+# TRI_WALLET_PASSPHRASE=""
+
+# Default sender address for messages (set after creating addresses)
+# TRI_DEFAULT_FROM=""
+
+# ─── Agent Addresses ─────────────────────────────────────────────────────────
+# When agents have their own TRI addresses, register them here:
+# HERMES_TRI_ADDR="T..."
+# KRYSTIE_TRI_ADDR="T..."
@@ -0,0 +1,691 @@
+#!/usr/bin/env bash
+#
+# tri — Cryptographic Triangles command interface
+#
+# A friendly wrapper around trianglesd RPC for both human and agent use.
+# Designed for Hermes, Krystie, and Sami to manage TRI wallets, monitor
+# nodes, and communicate via the built-in secure messaging system.
+#
+# Config: /etc/tri/nodes.conf (or ~/.config/tri/nodes.conf)
+# Completion: /etc/bash_completion.d/tri-completion.bash
+#
+# Usage: tri <command> [subcommand] [args]
+#   tri                    Status overview
+#   tri help               Full command list
+#   tri status             Detailed node status
+#   tri balance            Wallet balance
+#   tri peers              Connected peers
+#   tri stake              Staking info
+#   tri address new        Generate new wallet address
+#   tri address list       List wallet addresses
+#   tri address balance    Per-address balances
+#   tri send <addr> <amt> [memo]   Send TRI
+#   tri tx [N]             Recent N transactions (default 10)
+#   tri tx <txid>          Transaction details
+#   tri msg inbox          Secure message inbox
+#   tri msg outbox         Sent messages
+#   tri msg send <from> <to> <msg>   Send encrypted message
+#   tri msg anon <to> <msg>          Send anonymous message
+#   tri msg keys           List messaging keys
+#   tri msg enable         Enable secure messaging
+#   tri msg pubkey <addr>  Get public key for address
+#   tri msg unlock [secs]  Unlock wallet for messaging (default 60s)
+#   tri raw <method> [params...]  Raw RPC passthrough
+#
+
+set -euo pipefail
+
+# ─── Config ──────────────────────────────────────────────────────────────────
+
+TRI_CONFIG="/etc/tri/nodes.conf"
+[[ -f "$HOME/.config/tri/nodes.conf" ]] && TRI_CONFIG="$HOME/.config/tri/nodes.conf"
+
+# Defaults (overridden by config file)
+TRI_RPC_HOST="127.0.0.1"
+TRI_RPC_PORT="19112"
+TRI_RPC_USER=""
+TRI_RPC_PASS=""
+TRI_SSH_HOST=""        # If set, RPC calls are tunneled via SSH to this host
+TRI_SSH_USER="root"
+TRI_WALLET_PASSPHRASE=""  # For unlocking wallet when sending/messages
+TRI_DEFAULT_FROM=""    # Default sender address for messages
+
+# Load config
+if [[ -f "$TRI_CONFIG" ]]; then
+    source "$TRI_CONFIG"
+fi
+
+# Allow env overrides
+[[ -n "${TRI_RPC_HOST_ENV:-}" ]] && TRI_RPC_HOST="$TRI_RPC_HOST_ENV"
+[[ -n "${TRI_RPC_PORT_ENV:-}" ]] && TRI_RPC_PORT="$TRI_RPC_PORT_ENV"
+[[ -n "${TRI_SSH_HOST_ENV:-}" ]] && TRI_SSH_HOST="$TRI_SSH_HOST_ENV"
+
+# ─── Colors ──────────────────────────────────────────────────────────────────
+
+if [[ -t 1 ]]; then
+    C_RESET="\033[0m"
+    C_BOLD="\033[1m"
+    C_DIM="\033[2m"
+    C_RED="\033[31m"
+    C_GREEN="\033[32m"
+    C_YELLOW="\033[33m"
+    C_BLUE="\033[34m"
+    C_CYAN="\033[36m"
+    C_MAGENTA="\033[35m"
+else
+    C_RESET=""; C_BOLD=""; C_DIM=""; C_RED=""; C_GREEN=""; C_YELLOW=""
+    C_BLUE=""; C_CYAN=""; C_MAGENTA=""
+fi
+
+# ─── Helpers ─────────────────────────────────────────────────────────────────
+
+# Core RPC call function. Executes JSON-RPC against the node.
+# Usage: _tri_rpc <method> [param1] [param2] ...
+_tri_rpc() {
+    local method="$1"; shift
+    local params="[]"
+    
+    if [[ $# -gt 0 ]]; then
+        # Build JSON params array
+        local json_params=()
+        for p in "$@"; do
+            # Try to detect numbers and booleans
+            if [[ "$p" =~ ^-?[0-9]+\.?[0-9]*$ ]]; then
+                json_params+=("$p")
+            elif [[ "$p" == "true" || "$p" == "false" || "$p" == "null" ]]; then
+                json_params+=("\"$p\"")
+            else
+                # Escape for JSON string
+                local escaped="${p//\\/\\\\}"
+                escaped="${escaped//\"/\\\"}"
+                json_params+=("\"$escaped\"")
+            fi
+        done
+        params="[$(IFS=,; echo "${json_params[*]}")]"
+    fi
+    
+    local payload="{\"jsonrpc\":\"1.0\",\"id\":\"tri\",\"method\":\"$method\",\"params\":$params}"
+    
+    if [[ -n "$TRI_SSH_HOST" ]]; then
+        # Tunnel via SSH
+        local auth="$TRI_RPC_USER:$TRI_RPC_PASS"
+        ssh -o ConnectTimeout=10 -o StrictHostKeyChecking=no \
+            "${TRI_SSH_USER}@${TRI_SSH_HOST}" \
+            "curl -s --connect-timeout 10 http://127.0.0.1:${TRI_RPC_PORT}/ \
+             -u '${auth}' \
+             -H 'Content-Type: application/json' \
+             -d '${payload//\'/\'\\\'\'}'" 2>/dev/null
+    else
+        # Local connection
+        curl -s --connect-timeout 10 "http://${TRI_RPC_HOST}:${TRI_RPC_PORT}/" \
+             -u "${TRI_RPC_USER}:${TRI_RPC_PASS}" \
+             -H 'Content-Type: application/json' \
+             -d "$payload" 2>/dev/null
+    fi
+}
+
+# Pretty RPC call — extracts .result and pretty-prints JSON
+# Usage: _tri_rpc_pretty <method> [param1] [param2] ...
+_tri_rpc_pretty() {
+    local raw
+    raw=$(_tri_rpc "$@")
+    
+    if [[ -z "$raw" ]]; then
+        echo -e "${C_RED}Error: No response from node${C_RESET}" >&2
+        return 1
+    fi
+    
+    # Check for error
+    local err
+    err=$(echo "$raw" | python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('error',{}).get('message','') if d.get('error') else '',end='')" 2>/dev/null || echo "")
+    if [[ -n "$err" ]]; then
+        echo -e "${C_RED}RPC Error: ${err}${C_RESET}" >&2
+        return 1
+    fi
+    
+    echo "$raw" | python3 -c "import sys,json; print(json.dumps(json.load(sys.stdin).get('result',''),indent=2))" 2>/dev/null
+}
+
+# Raw RPC call — print full JSON response as-is
+_tri_rpc_raw() {
+    _tri_rpc "$@"
+}
+
+# Extract a single field from RPC result
+# Usage: _tri_rpc_field <method> <field> [params...]
+_tri_rpc_field() {
+    local method="$1"; shift
+    local field="$1"; shift
+    _tri_rpc "$method" "$@" | python3 -c "
+import sys,json
+d=json.load(sys.stdin)
+r=d.get('result',{})
+if isinstance(r,dict):
+    print(r.get('$field',''))
+else:
+    print(r)
+" 2>/dev/null
+}
+
+# Extract multiple fields
+_tri_rpc_fields() {
+    local method="$1"; shift
+    _tri_rpc "$method" "$@" | python3 -c "
+import sys,json
+d=json.load(sys.stdin)
+r=d.get('result',{})
+if isinstance(r, dict):
+    for k,v in r.items():
+        if isinstance(v,(str,int,float,bool)) or v is None:
+            print(f'{k}: {v}')
+" 2>/dev/null
+}
+
+# Unlock wallet for messaging
+_tri_unlock() {
+    local duration="${1:-60}"
+    if [[ -z "$TRI_WALLET_PASSPHRASE" ]]; then
+        echo -e "${C_YELLOW}Warning: TRI_WALLET_PASSPHRASE not set in config${C_RESET}" >&2
+        return 1
+    fi
+    _tri_rpc walletpassphrase "$TRI_WALLET_PASSPHRASE" "$duration" >/dev/null 2>&1
+}
+
+# ─── Commands: Info ──────────────────────────────────────────────────────────
+
+cmd_status() {
+    echo -e "${C_BOLD}${C_CYAN}Triangles Node Status${C_RESET}"
+    echo -e "${C_DIM}$(date -u '+%Y-%m-%d %H:%M:%S UTC')${C_RESET}"
+    echo ""
+    
+    local info
+    info=$(_tri_rpc getinfo 2>/dev/null)
+    
+    if [[ -z "$info" ]]; then
+        echo -e "${C_RED}Cannot connect to node${C_RESET}"
+        if [[ -n "$TRI_SSH_HOST" ]]; then
+            echo -e "  Target: ${TRI_SSH_USER}@${TRI_SSH_HOST} → RPC ${TRI_RPC_PORT}"
+        else
+            echo -e "  Target: ${TRI_RPC_HOST}:${TRI_RPC_PORT}"
+        fi
+        return 1
+    fi
+    
+    echo "$info" | python3 -c "
+import sys,json
+d=json.load(sys.stdin)['result']
+print(f\"  Version:      {d.get('version','?')}\")
+print(f\"  Blocks:       {d.get('blocks','?'):,}\")
+print(f\"  Connections:  {d.get('connections','?')}\")
+print(f\"  Balance:      {d.get('balance',0):.4f} TRI\")
+print(f\"  Stake:        {d.get('stake',0):.4f} TRI\")
+print(f\"  Money Supply: {d.get('moneysupply',0):,.2f} TRI\")
+print(f\"  Difficulty:   {d.get('difficulty','?')}\")
+print(f\"  Testnet:      {d.get('testnet',False)}\")
+" 2>/dev/null
+    
+    # Peer summary
+    local peer_count
+    peer_count=$(_tri_rpc_field getconnectioncount "result" 2>/dev/null || echo "?")
+    echo ""
+    echo -e "  ${C_DIM}Node: ${TRI_SSH_HOST:-${TRI_RPC_HOST}}:${TRI_RPC_PORT}${C_RESET}"
+}
+
+cmd_balance() {
+    local balance
+    balance=$(_tri_rpc_field getbalance "balance" 2>/dev/null || echo "error")
+    
+    if [[ "$balance" == "error" ]]; then
+        echo -e "${C_RED}Cannot connect to node${C_RESET}" >&2
+        return 1
+    fi
+    
+    local stake
+    stake=$(_tri_rpc_field getinfo "stake" 2>/dev/null || echo "0")
+    
+    echo -e "${C_BOLD}Wallet Balance${C_RESET}"
+    echo -e "  Available: ${C_GREEN}${balance} TRI${C_RESET}"
+    echo -e "  Staking:   ${C_YELLOW}${stake} TRI${C_RESET}"
+    
+    # UTXO count
+    local utxo_count
+    utxo_count=$(_tri_rpc listunspent 2>/dev/null | python3 -c "import sys,json; print(len(json.load(sys.stdin).get('result',[])))" 2>/dev/null || echo "?")
+    [[ "$utxo_count" != "?" ]] && echo -e "  UTXOs:     ${utxo_count}"
+}
+
+cmd_peers() {
+    local raw
+    raw=$(_tri_rpc getpeerinfo 2>/dev/null)
+    
+    echo -e "${C_BOLD}Connected Peers${C_RESET}"
+    echo "$raw" | python3 -c "
+import sys,json
+d=json.load(sys.stdin)
+peers=d.get('result',[])
+if not peers:
+    print('  (no peers connected)')
+else:
+    for p in peers:
+        addr = p.get('addr','?')
+        subver = p.get('subver','?').replace('/','')
+        height = p.get('startingheight','?')
+        ping = p.get('pingtime',0)
+        if isinstance(ping,(int,float)) and ping > 0:
+            ping_ms = ping * 1000
+            print(f'  {addr:30s} {subver:25s} height={height}  ping={ping_ms:.0f}ms')
+        else:
+            print(f'  {addr:30s} {subver:25s} height={height}')
+    print(f'\n  Total: {len(peers)} peer(s)')
+" 2>/dev/null
+}
+
+cmd_stake() {
+    echo -e "${C_BOLD}Staking Information${C_RESET}"
+    _tri_rpc_fields getstakinginfo 2>/dev/null | while read -r line; do
+        echo "  $line"
+    done
+}
+
+# ─── Commands: Wallet ────────────────────────────────────────────────────────
+
+cmd_address() {
+    local sub="${1:-list}"; shift || true
+    
+    case "$sub" in
+        new)
+            local addr
+            addr=$(_tri_rpc_field getnewaddress "result" 2>/dev/null)
+            if [[ -n "$addr" ]]; then
+                echo "$addr"
+            else
+                echo -e "${C_RED}Failed to generate address${C_RESET}" >&2
+                return 1
+            fi
+            ;;
+        list)
+            echo -e "${C_BOLD}Wallet Addresses${C_RESET}"
+            _tri_rpc getaddressesbyaccount "" 2>/dev/null | python3 -c "
+import sys,json
+d=json.load(sys.stdin)
+addrs=d.get('result',[])
+if not addrs:
+    print('  (no addresses)')
+else:
+    for a in addrs:
+        print(f'  {a}')
+    print(f'\n  Total: {len(addrs)}')
+" 2>/dev/null
+            ;;
+        balance)
+            echo -e "${C_BOLD}Address Balances${C_RESET}"
+            _tri_rpc listaddressgroupings 2>/dev/null | python3 -c "
+import sys,json
+d=json.load(sys.stdin)
+groups=d.get('result',[])
+if not groups:
+    print('  (no address balances)')
+else:
+    for group in groups:
+        for item in group:
+            addr=item[0] if isinstance(item,list) and len(item)>0 else '?'
+            amt=item[1] if isinstance(item,list) and len(item)>1 else '?'
+            print(f'  {addr:40s} {amt} TRI')
+" 2>/dev/null
+            ;;
+        *)
+            echo -e "${C_RED}Unknown subcommand: $sub${C_RESET}" >&2
+            echo "Usage: tri address [new|list|balance]" >&2
+            return 1
+            ;;
+    esac
+}
+
+cmd_send() {
+    if [[ $# -lt 2 ]]; then
+        echo -e "${C_RED}Usage: tri send <address> <amount> [memo]${C_RESET}" >&2
+        return 1
+    fi
+    
+    local addr="$1"
+    local amount="$2"
+    local memo="${3:-}"
+    
+    echo -e "${C_YELLOW}Sending ${amount} TRI to ${addr}...${C_RESET}"
+    
+    local result
+    if [[ -n "$memo" ]]; then
+        result=$(_tri_rpc sendtoaddress "$addr" "$amount" "$memo" 2>/dev/null)
+    else
+        result=$(_tri_rpc sendtoaddress "$addr" "$amount" 2>/dev/null)
+    fi
+    
+    local txid
+    txid=$(echo "$result" | python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('result','') if d.get('result') else d.get('error',{}).get('message','FAILED'),end='')" 2>/dev/null)
+    
+    if [[ "$txid" == "FAILED" ]] || [[ -z "$txid" ]]; then
+        echo -e "${C_RED}Send failed: $txid${C_RESET}" >&2
+        return 1
+    fi
+    
+    echo -e "${C_GREEN}Sent! TXID: ${txid}${C_RESET}"
+}
+
+cmd_tx() {
+    if [[ $# -eq 0 ]]; then
+        # Recent transactions
+        echo -e "${C_BOLD}Recent Transactions${C_RESET}"
+        _tri_rpc listtransactions "*" 10 2>/dev/null | python3 -c "
+import sys,json
+d=json.load(sys.stdin)
+txs=d.get('result',[])
+if not txs:
+    print('  (no transactions)')
+else:
+    for t in reversed(txs):
+        category = t.get('category','?')
+        amount = t.get('amount',0)
+        addr = t.get('address','?')
+        confirmations = t.get('confirmations',0)
+        txid = t.get('txid','?')
+        time = t.get('time',0)
+        
+        from datetime import datetime
+        dt = datetime.fromtimestamp(time) if time else None
+        datestr = dt.strftime('%Y-%m-%d %H:%M') if dt else '???'
+        
+        # Color by category
+        if category == 'receive' or category == 'generate' or category == 'mint':
+            amt_str = f'+{amount} TRI'
+        else:
+            amt_str = f'-{amount} TRI'
+        
+        conf_str = f'{confirmations} conf' if confirmations > 0 else 'unconfirmed'
+        print(f'  {datestr}  {amt_str:>15s}  {category:10s}  {conf_str:>12s}  {addr}')
+        print(f'           {txid}')
+" 2>/dev/null
+    else
+        # Transaction details
+        local txid="$1"
+        echo -e "${C_BOLD}Transaction: ${txid}${C_RESET}"
+        _tri_rpc_fields gettransaction "$txid" 2>/dev/null | while read -r line; do
+            echo "  $line"
+        done
+    fi
+}
+
+# ─── Commands: Secure Messaging ──────────────────────────────────────────────
+
+cmd_msg() {
+    local sub="${1:-inbox}"; shift || true
+    
+    case "$sub" in
+        inbox)
+            # Unlock wallet first if passphrase is configured
+            if [[ -n "$TRI_WALLET_PASSPHRASE" ]]; then
+                _tri_unlock 60 2>/dev/null || true
+            fi
+            
+            echo -e "${C_BOLD}${C_MAGENTA}Secure Message Inbox${C_RESET}"
+            _tri_rpc smsginbox "all" 2>/dev/null | python3 -c "
+import sys,json
+raw=json.load(sys.stdin)
+d=raw.get('result',{})
+msg = d.get('message')
+count_str = d.get('result','0 messages shown.')
+# Extract count from result string like 'N messages shown.'
+try:
+    count = int(count_str.split()[0])
+except:
+    count = 0
+
+if count == 0 or msg is None:
+    print('  (inbox is empty)')
+else:
+    # The daemon returns one message per RPC call (last one only).
+    # For full inbox dump, use: tri raw smsginbox all
+    frm = msg.get('from','?')
+    to = msg.get('to','?')
+    text = msg.get('text','(no text)')
+    sent = msg.get('sent','')
+    rcvd = msg.get('received','')
+    print(f'  Latest message (of {count}):')
+    print(f'    Sent:     {sent}')
+    print(f'    Received: {rcvd}')
+    print(f'    From: {frm}')
+    print(f'    To:   {to}')
+    print(f'    Text: {text[:200]}')
+    if count > 1:
+        print(f'')
+        print(f'    ({count-1} more messages — use: tri raw smsginbox all)')
+" 2>/dev/null
+            ;;
+            
+        outbox)
+            if [[ -n "$TRI_WALLET_PASSPHRASE" ]]; then
+                _tri_unlock 60 2>/dev/null || true
+            fi
+            
+            echo -e "${C_BOLD}${C_MAGENTA}Sent Messages${C_RESET}"
+            _tri_rpc smsgoutbox "all" 2>/dev/null | python3 -c "
+import sys,json
+raw=json.load(sys.stdin)
+d=raw.get('result',{})
+msg = d.get('message')
+count_str = d.get('result','0 sent messages shown.')
+try:
+    count = int(count_str.split()[0])
+except:
+    count = 0
+
+if count == 0 or msg is None:
+    print('  (outbox is empty)')
+else:
+    to = msg.get('to','?')
+    frm = msg.get('from','?')
+    text = msg.get('text','(no text)')
+    sent = msg.get('sent','')
+    print(f'  Latest sent (of {count}):')
+    print(f'    Sent: {sent}')
+    print(f'    From: {frm}')
+    print(f'    To:   {to}')
+    print(f'    Text: {text[:200]}')
+    if count > 1:
+        print(f'')
+        print(f'    ({count-1} more — use: tri raw smsgoutbox all)')
+" 2>/dev/null
+            ;;
+            
+        send)
+            if [[ $# -lt 3 ]]; then
+                echo -e "${C_RED}Usage: tri msg send <from_address> <to_address> <message>${C_RESET}" >&2
+                return 1
+            fi
+            
+            local from_addr="$1"
+            local to_addr="$2"
+            shift 2
+            local message="$*"
+            
+            # Unlock for send
+            if [[ -n "$TRI_WALLET_PASSPHRASE" ]]; then
+                _tri_unlock 60 2>/dev/null || true
+            fi
+            
+            echo -e "${C_YELLOW}Sending encrypted message...${C_RESET}"
+            local result
+            result=$(_tri_rpc smsgsend "$from_addr" "$to_addr" "$message" 2>/dev/null)
+            
+            local status
+            status=$(echo "$result" | python3 -c "import sys,json; d=json.load(sys.stdin); r=d.get('result',{}); print(r.get('result','') if isinstance(r,dict) else str(r),end='')" 2>/dev/null)
+            
+            if [[ "$status" == "Sent." ]]; then
+                echo -e "${C_GREEN}Message sent to ${to_addr}${C_RESET}"
+            else
+                local err
+                err=$(echo "$result" | python3 -c "import sys,json; d=json.load(sys.stdin); r=d.get('result',{}); print(r.get('error','unknown error') if isinstance(r,dict) else str(r),end='')" 2>/dev/null)
+                echo -e "${C_RED}Send failed: ${err}${C_RESET}" >&2
+                return 1
+            fi
+            ;;
+            
+        anon)
+            if [[ $# -lt 2 ]]; then
+                echo -e "${C_RED}Usage: tri msg anon <to_address> <message>${C_RESET}" >&2
+                return 1
+            fi
+            
+            local to_addr="$1"
+            shift
+            local message="$*"
+            
+            echo -e "${C_YELLOW}Sending anonymous encrypted message...${C_RESET}"
+            local result
+            result=$(_tri_rpc smsgsendanon "$to_addr" "$message" 2>/dev/null)
+            
+            local status
+            status=$(echo "$result" | python3 -c "import sys,json; d=json.load(sys.stdin); r=d.get('result',{}); print(r.get('result','') if isinstance(r,dict) else str(r),end='')" 2>/dev/null)
+            
+            if [[ "$status" == "Sent." ]]; then
+                echo -e "${C_GREEN}Anonymous message sent to ${to_addr}${C_RESET}"
+            else
+                echo -e "${C_RED}Send failed${C_RESET}" >&2
+                return 1
+            fi
+            ;;
+            
+        keys)
+            echo -e "${C_BOLD}${C_MAGENTA}Messaging Keys${C_RESET}"
+            _tri_rpc smsglocalkeys "all" 2>/dev/null | python3 -c "
+import sys,json
+raw=json.load(sys.stdin)
+d=raw.get('result',{})
+if isinstance(d, dict):
+    key_line = d.get('key','')
+    count_line = d.get('result','')
+    if key_line:
+        print(f'  {key_line}')
+    if count_line:
+        print(f'  {count_line}')
+elif isinstance(d, str):
+    print(f'  {d}')
+else:
+    print('  (no keys registered)')
+" 2>/dev/null
+            ;;
+            
+        enable)
+            echo -e "${C_YELLOW}Enabling secure messaging...${C_RESET}"
+            _tri_rpc_pretty smsgenable 2>/dev/null
+            ;;
+            
+        pubkey)
+            if [[ $# -lt 1 ]]; then
+                echo -e "${C_RED}Usage: tri msg pubkey <address>${C_RESET}" >&2
+                return 1
+            fi
+            _tri_rpc_pretty smsggetpubkey "$1" 2>/dev/null
+            ;;
+            
+        unlock)
+            local duration="${1:-60}"
+            if [[ -z "$TRI_WALLET_PASSPHRASE" ]]; then
+                echo -e "${C_RED}TRI_WALLET_PASSPHRASE not set in config${C_RESET}" >&2
+                return 1
+            fi
+            _tri_rpc walletpassphrase "$TRI_WALLET_PASSPHRASE" "$duration" >/dev/null 2>&1
+            echo -e "${C_GREEN}Wallet unlocked for ${duration}s${C_RESET}"
+            ;;
+            
+        *)
+            echo -e "${C_RED}Unknown msg subcommand: $sub${C_RESET}" >&2
+            echo "Usage: tri msg [inbox|outbox|send|anon|keys|enable|pubkey|unlock]" >&2
+            return 1
+            ;;
+    esac
+}
+
+# ─── Commands: Raw RPC ───────────────────────────────────────────────────────
+
+cmd_raw() {
+    if [[ $# -eq 0 ]]; then
+        echo -e "${C_RED}Usage: tri raw <method> [params...]${C_RESET}" >&2
+        echo "Example: tri raw getblockhash 2200000" >&2
+        return 1
+    fi
+    
+    _tri_rpc_pretty "$@"
+}
+
+# ─── Help ────────────────────────────────────────────────────────────────────
+
+cmd_help() {
+    cat << 'EOF'
+
+ tri — Cryptographic Triangles Command Interface
+
+ INFO
+   tri                       Status overview (blocks, connections, balance)
+   tri status                Detailed node status
+   tri balance               Wallet balance + UTXO count
+   tri peers                 Connected peers with ping times
+   tri stake                 Staking information
+
+ WALLET
+   tri address new           Generate new wallet address
+   tri address list          List all wallet addresses
+   tri address balance       Per-address balance breakdown
+   tri send <addr> <amt> [memo]   Send TRI to address
+   tri tx [N]                Recent N transactions (default 10)
+   tri tx <txid>             Transaction details
+
+ SECURE MESSAGING
+   tri msg inbox             Read inbox messages (wallet auto-unlocks)
+   tri msg outbox            Read sent messages
+   tri msg send <from> <to> <msg>   Send encrypted message
+   tri msg anon <to> <msg>          Send anonymous message
+   tri msg keys              List messaging keys
+   tri msg enable            Enable secure messaging
+   tri msg pubkey <addr>     Get public key for an address
+   tri msg unlock [secs]     Unlock wallet for messaging (default 60s)
+
+ ADVANCED
+   tri raw <method> [params...]    Raw RPC passthrough
+   tri help                  This help screen
+
+ CONFIG
+   /etc/tri/nodes.conf              System-wide config
+   ~/.config/tri/nodes.conf         Per-user config override
+
+ AGENTS (Hermes, Krystie)
+   Both agents use the same config and can execute all commands.
+   For messaging between agents, each needs its own TRI address
+   registered in the wallet. Use 'tri msg keys' to verify.
+
+EOF
+}
+
+# ─── Main ────────────────────────────────────────────────────────────────────
+
+main() {
+    local cmd="${1:-status}"; shift || true
+    
+    case "$cmd" in
+        status|info)    cmd_status "$@" ;;
+        balance)        cmd_balance "$@" ;;
+        peers)          cmd_peers "$@" ;;
+        stake|staking)  cmd_stake "$@" ;;
+        address|addr)   cmd_address "$@" ;;
+        send)           cmd_send "$@" ;;
+        tx|transactions) cmd_tx "$@" ;;
+        msg|message|messages) cmd_msg "$@" ;;
+        raw)            cmd_raw "$@" ;;
+        help|-h|--help) cmd_help "$@" ;;
+        *)
+            echo -e "${C_RED}Unknown command: $cmd${C_RESET}" >&2
+            echo "Run 'tri help' for available commands" >&2
+            exit 1
+            ;;
+    esac
+}
+
+main "$@"
@@ -0,0 +1,40 @@
+# bash/zsh completion for tri command
+# Install: source this file or place in /etc/bash_completion.d/
+
+_tri_complete() {
+    local cur prev opts
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+    
+    # Top-level commands
+    local top_cmds="status balance peers stake address send tx msg raw help"
+    local addr_subcmds="new list balance"
+    local msg_subcmds="inbox outbox send anon keys enable pubkey unlock"
+    
+    if [[ ${COMP_CWORD} -eq 1 ]]; then
+        COMPREPLY=($(compgen -W "${top_cmds}" -- "${cur}"))
+        return 0
+    fi
+    
+    # Subcommand completion
+    if [[ ${COMP_CWORD} -eq 2 ]]; then
+        case "${COMP_WORDS[1]}" in
+            address|addr)
+                COMPREPLY=($(compgen -W "${addr_subcmds}" -- "${cur}"))
+                return 0
+                ;;
+            msg|message|messages)
+                COMPREPLY=($(compgen -W "${msg_subcmds}" -- "${cur}"))
+                return 0
+                ;;
+        esac
+    fi
+    
+    # Address completion for send/msg send (would need wallet addresses in practice)
+    # For now, no further completion
+    
+    return 0
+}
+
+complete -F _tri_complete tri
@@ -0,0 +1,391 @@
+#!/usr/bin/env python3
+"""
+validate_onion_seeds.py - Cryptographic Triangles v3 onion address validator
+
+Validates every .onion address in a triangles.conf (or any text file) against
+the v3 hidden service checksum algorithm:
+
+    v3 onion = base32( version[2] || pubkey[32] || checksum[2] )
+    where checksum = SHA3-256( ".onion checksum" || version || pubkey )[:2]
+    and version   = 0x03 0x00
+
+A corrupted v3 onion (e.g. one character transposed) will have a valid base32
+shape but a failing checksum. Tor rejects these with:
+
+    [warn] ed25519 validation failed
+    [warn] Service address has bad pubkey
+    [warn] Invalid onion hostname; rejecting
+    [notice] ... resolve failed. No more HSDir available to query.
+
+This tool is designed to be run as a pre-flight check before deploying
+a triangles.conf, and as a CI gate to prevent corrupted .onion addresses
+from ever reaching production. It can also be used to audit an existing
+config for inconsistencies against the hardcoded seed list in
+src/onionseed.h.
+
+USAGE
+    # Validate the production config
+    ./validate_onion_seeds.py /root/.triangles/triangles.conf
+
+    # Validate multiple configs
+    ./validate_onion_seeds.py /root/.triangles/triangles.conf \\
+                              /root/.triangles-synctest/triangles.conf
+
+    # Audit a config against the hardcoded source-of-truth
+    ./validate_onion_seeds.py /root/.triangles/triangles.conf \\
+                              --against /root/triangles_v5/src/onionseed.h
+
+    # CI mode (exit 1 on any error)
+    ./validate_onion_seeds.py /root/.triangles/triangles.conf --ci
+
+EXIT CODES
+    0  all addresses valid, no warnings
+    1  one or more addresses failed validation
+    2  usage error / file not found
+
+DETECTION CAPABILITIES
+    * Bad v3 checksum (1-2 char transposition, missing char, etc.)
+    * Truncated or extended .onion addresses
+    * Non-base32 characters in .onion
+    * Cross-config diff (or test vs production mismatch)
+    * addnode referencing a .onion that's not in the source seed list
+
+BACKGROUND
+    During a from-zero sync test on 2026-06-21, the test daemon's Tor log
+    produced 4,842 "No more HSDir available" errors and 181 "ed25519
+    validation failed" warnings. Root cause: a 1-character transposition
+    (btb6 vs gtb6) in the test config's vmepp seed address. This tool
+    would have caught it in 0.1 seconds.
+"""
+
+import argparse
+import base64
+import hashlib
+import os
+import re
+import sys
+from pathlib import Path
+
+# v3 onion constants
+V3_VERSION = b'\x03\x00'  # 2 bytes
+V3_CHECKSUM_INPUT = b'.onion checksum'  # 15 bytes
+V3_PUBKEY_LENGTH = 32
+V3_CHECKSUM_LENGTH = 2
+V3_DECODED_LENGTH = 35  # 2 + 32 + 2 + ...wait that's 36
+# Actually v3 onion base32-decodes to 35 bytes:
+#   1 byte version (0x03) + 1 byte checksum-type (0x00) +
+#   32 bytes pubkey + 2 bytes checksum  -- no wait
+# Per official spec: onion_address = base32(pubkey || checksum || version)
+# Total = 32 (ed25519) + 2 (checksum) + 1 (version) = 35 bytes
+# But some implementations use:
+#   version(2) || pubkey(32) || checksum(2) = 36
+# The actual spec from rfc7686 says:
+#   onion_address = base32(PUBKEY || CHECKSUM || VERSION)
+#   PUBKEY = ed25519 public key (32 bytes)
+#   CHECKSUM = H(".onion checksum" || PUBKEY || VERSION)[:2]
+#   VERSION = 0x03
+# So total = 32 + 2 + 1 = 35 bytes (not 36)
+
+# We'll use the official spec (35 bytes)
+
+# ANSI color codes (only if stdout is a TTY)
+class C:
+    RESET = '\033[0m'
+    RED = '\033[91m'
+    GREEN = '\033[92m'
+    YELLOW = '\033[93m'
+    BLUE = '\033[94m'
+    BOLD = '\033[1m'
+    DIM = '\033[2m'
+
+    @classmethod
+    def disable(cls):
+        for attr in dir(cls):
+            if attr.isupper() and not attr.startswith('_'):
+                setattr(cls, attr, '')
+
+
+def decode_v3_onion(address: str) -> tuple[bool, str, bytes | None]:
+    """
+    Validate a v3 onion address.
+
+    Returns:
+        (valid, reason, decoded_bytes_or_None)
+    """
+    if not isinstance(address, str):
+        return False, f"not a string (got {type(address).__name__})", None
+    if not address.endswith('.onion'):
+        return False, "missing .onion suffix", None
+
+    onion_body = address[:-6]  # strip .onion
+    expected_len = 56  # base32(35 bytes) = 56 chars
+    if len(onion_body) != expected_len:
+        return False, f"wrong length: {len(onion_body)} chars (expected {expected_len})", None
+
+    # Validate base32 alphabet
+    if not re.match(r'^[a-z2-7]+$', onion_body):
+        # Find first bad char
+        for i, c in enumerate(onion_body):
+            if not re.match(r'[a-z2-7]', c):
+                return False, f"non-base32 char '{c}' at position {i}", None
+
+    # Decode
+    try:
+        # Add padding
+        padding_needed = (8 - len(onion_body) % 8) % 8
+        decoded = base64.b32decode(onion_body.upper() + '=' * padding_needed)
+    except Exception as e:
+        return False, f"base32 decode failed: {e}", None
+
+    if len(decoded) != 35:
+        return False, f"decoded to {len(decoded)} bytes, expected 35", None
+
+    # v3 spec: PUBKEY(32) || CHECKSUM(2) || VERSION(1)
+    pubkey = decoded[0:32]
+    checksum = decoded[32:34]
+    version = decoded[34:35]
+
+    if version != b'\x03':
+        return False, f"version byte is 0x{version[0]:02x}, expected 0x03", decoded
+
+    # Compute expected checksum
+    expected_checksum = hashlib.sha3_256(
+        V3_CHECKSUM_INPUT + pubkey + version
+    ).digest()[:2]
+
+    if checksum != expected_checksum:
+        return False, (
+            f"checksum mismatch: got 0x{checksum.hex()}, "
+            f"expected 0x{expected_checksum.hex()}"
+        ), decoded
+
+    return True, "valid v3 onion", decoded
+
+
+def parse_config_addnodes(config_path: Path) -> list[tuple[str, str, int]]:
+    """
+    Extract (line_no, address, port) tuples for all addnode= lines in a config.
+
+    Also handles addnode=onion:port and just addnode=onion (port defaults to 24112).
+    """
+    addnodes = []
+    if not config_path.exists():
+        return addnodes
+
+    for line_no, raw_line in enumerate(config_path.read_text().splitlines(), 1):
+        line = raw_line.strip()
+        if not line or line.startswith('#'):
+            continue
+        m = re.match(r'^addnode=([^:]+)(?::(\d+))?$', line)
+        if m:
+            addr = m.group(1)
+            port = int(m.group(2)) if m.group(2) else 24112
+            addnodes.append((line_no, addr, port))
+
+    return addnodes
+
+
+def parse_source_seeds(source_path: Path) -> set[str]:
+    """
+    Extract all .onion addresses from the hardcoded seed list in onionseed.h.
+    Matches the strMainNetOnionSeed and strTestNetOnionSeed arrays.
+    """
+    seeds = set()
+    if not source_path.exists():
+        return seeds
+    for m in re.finditer(r'"([a-z2-7]{56}\.onion)"', source_path.read_text()):
+        seeds.add(m.group(1))
+    return seeds
+
+
+def levenshtein_1(a: str, b: str) -> int:
+    """Return number of positions where a and b differ (assumes same length)."""
+    if len(a) != len(b):
+        return -1
+    return sum(1 for x, y in zip(a, b) if x != b.count(x))
+
+
+def find_near_match(target: str, candidates: set[str]) -> str | None:
+    """Find a candidate that's 1-2 char different from target (for diff hints)."""
+    for c in candidates:
+        if len(c) == len(target):
+            d = sum(1 for x, y in zip(c, target) if x != y)
+            if 0 < d <= 2:
+                return c
+    return None
+
+
+def colorize(s: str, color: str, enabled: bool) -> str:
+    return f"{color}{s}{C.RESET}" if enabled else s
+
+
+def validate_config(
+    config_path: Path,
+    source_seeds: set[str] | None = None,
+    other_configs: dict[Path, set[str]] | None = None,
+    use_color: bool = True,
+) -> tuple[int, int, int, int]:
+    """
+    Validate all .onion addresses in a config file.
+
+    Returns:
+        (valid_count, invalid_count, missing_count, extra_count)
+    """
+    addnodes = parse_config_addnodes(config_path)
+    if not addnodes:
+        print(colorize(f"  (no addnode= entries found in {config_path})",
+                       C.YELLOW, use_color))
+        return (0, 0, 0, 0)
+
+    valid = invalid = 0
+    invalid_addrs = set()
+
+    print(colorize(f"\n=== {config_path} ===", C.BOLD + C.BLUE, use_color))
+    print(colorize(f"  {len(addnodes)} addnode entries found", C.DIM, use_color))
+
+    for line_no, addr, port in addnodes:
+        ok, reason, _ = decode_v3_onion(addr)
+        if ok:
+            print(f"  {colorize('[OK]', C.GREEN, use_color):>14}  line {line_no:>4}  {addr}")
+            valid += 1
+        else:
+            print(f"  {colorize('[BAD]', C.RED, use_color):>14}  line {line_no:>4}  {addr}")
+            print(f"  {'':<14}  {'':>4}  reason: {reason}")
+            # Try to suggest a similar address
+            if source_seeds:
+                near = find_near_match(addr, source_seeds)
+                if near:
+                    print(f"  {'':<14}  {'':>4}  {colorize(f'did you mean: {near}?', C.YELLOW, use_color)}")
+            invalid += 1
+            invalid_addrs.add(addr)
+
+    # Cross-check against other configs
+    missing = extra = 0
+    if other_configs and source_seeds is not None:
+        config_addrs = {addr for _, addr, _ in addnodes}
+        # Note: this just reports on relationships; doesn't fail the test
+        for other_path, other_addrs in other_configs.items():
+            only_in_this = config_addrs - other_addrs - invalid_addrs
+            only_in_other = other_addrs - config_addrs
+            if only_in_this:
+                print(colorize(
+                    f"\n  {colorize('[DIFF]', C.YELLOW, use_color)}  addresses only in {config_path.name} "
+                    f"(missing from {other_path.name}):",
+                    C.YELLOW, use_color))
+                for a in sorted(only_in_this):
+                    print(f"                  {a}")
+                extra += len(only_in_this)
+            if only_in_other:
+                print(colorize(
+                    f"\n  {colorize('[DIFF]', C.YELLOW, use_color)}  addresses only in {other_path.name} "
+                    f"(missing from {config_path.name}):",
+                    C.YELLOW, use_color))
+                for a in sorted(only_in_other):
+                    print(f"                  {a}")
+                missing += len(only_in_other)
+
+    return valid, invalid, missing, extra
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Validate v3 .onion addresses in Triangles config files",
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        epilog=__doc__,
+    )
+    parser.add_argument(
+        'configs',
+        nargs='+',
+        type=Path,
+        help='One or more triangles.conf files to validate',
+    )
+    parser.add_argument(
+        '--against',
+        type=Path,
+        default=None,
+        help='Path to src/onionseed.h to use as source of truth for diff hints',
+    )
+    parser.add_argument(
+        '--ci',
+        action='store_true',
+        help='CI mode: exit 1 if any address fails validation',
+    )
+    parser.add_argument(
+        '--no-color',
+        action='store_true',
+        help='Disable colored output (also auto-disabled when stdout is not a TTY)',
+    )
+
+    args = parser.parse_args()
+
+    # Color detection
+    use_color = not args.no_color and sys.stdout.isatty()
+    if not use_color:
+        C.disable()
+
+    # Validate inputs exist
+    for p in args.configs:
+        if not p.exists():
+            print(colorize(f"ERROR: file not found: {p}", C.RED, use_color),
+                  file=sys.stderr)
+            return 2
+
+    # Load source seeds if provided
+    source_seeds = None
+    if args.against:
+        if not args.against.exists():
+            print(colorize(f"WARNING: source seed file not found: {args.against}",
+                           C.YELLOW, use_color), file=sys.stderr)
+        else:
+            source_seeds = parse_source_seeds(args.against)
+            print(colorize(
+                f"Loaded {len(source_seeds)} hardcoded seeds from {args.against}",
+                C.DIM, use_color))
+
+    # Pre-load all configs for cross-checking
+    all_configs: dict[Path, set[str]] = {}
+    for p in args.configs:
+        addnodes = parse_config_addnodes(p)
+        all_configs[p] = {addr for _, addr, _ in addnodes}
+
+    # Validate each config
+    total_valid = total_invalid = total_missing = total_extra = 0
+    for p in args.configs:
+        if len(args.configs) > 1:
+            other = {k: v for k, v in all_configs.items() if k != p}
+        else:
+            other = None
+        v, i, m, e = validate_config(p, source_seeds, other, use_color)
+        total_valid += v
+        total_invalid += i
+        total_missing += m
+        total_extra += e
+
+    # Summary
+    print(colorize("\n=== SUMMARY ===", C.BOLD, use_color))
+    print(f"  Valid:      {colorize(str(total_valid), C.GREEN, use_color)}")
+    if total_invalid:
+        print(f"  Invalid:    {colorize(str(total_invalid), C.RED, use_color)}")
+    else:
+        print(f"  Invalid:    {total_invalid}")
+    if total_missing:
+        print(f"  Missing:    {colorize(str(total_missing), C.YELLOW, use_color)} "
+              f"(in other configs, not this one)")
+    if total_extra:
+        print(f"  Extra:      {colorize(str(total_extra), C.YELLOW, use_color)} "
+              f"(in this config, not others)")
+
+    if total_invalid == 0 and total_missing == 0:
+        print(colorize("\n  All addresses valid.", C.GREEN + C.BOLD, use_color))
+        return 0
+    else:
+        print(colorize(
+            f"\n  {total_invalid} address(es) failed v3 onion checksum validation.",
+            C.RED + C.BOLD, use_color))
+        if args.ci:
+            return 1
+        return 1 if total_invalid else 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())
@@ -15,8 +15,13 @@ if [ -e "$(which git)" ]; then
    # clean 'dirty' status of touched files that haven't been modified
    git diff >/dev/null 2>/dev/null 

-    # get a string like "v0.6.0-66-g59887e8-dirty"
-    DESC="$(git describe --dirty 2>/dev/null)"
+    # Try exact tag match first (when building from a release tag)
+    DESC="$(git describe --tags --exact-match 2>/dev/null)"
+    
+    # If no exact match, fall back to git describe with commit distance
+    if [ -z "$DESC" ]; then
+        DESC="$(git describe --tags --dirty 2>/dev/null)"
+    fi

    # get a string like "2012-04-10 16:27:19 +0200"
    TIME="$(git log -n 1 --format="%ci")"
@@ -1,6 +1,6 @@
 name: triangles
 base: core22
-version: '5.3.7'
+version: '6.1.0'
 summary: Cryptographic Triangles (TRI) cryptocurrency wallet
 description: |
  Privacy-focused cryptocurrency featuring Proof-of-Stake consensus,
@@ -51,10 +51,10 @@ apps:
 parts:
  triangles:
    plugin: dump
-    source: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.3.7/Cryptographic-Triangles-v5.3.7-linux-x64-qt
+    source: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v6.1.0/Cryptographic-Triangles-v6.1.0-linux-x64-qt
    source-type: file
    organize:
-      Cryptographic-Triangles-v5.3.7-linux-x64-qt: bin/triangles-qt
+      Cryptographic-Triangles-v6.1.0-linux-x64-qt: bin/triangles-qt
    stage-packages:
      - libqt5widgets5
      - libqt5gui5
@@ -73,10 +73,10 @@ parts:

  trianglesd:
    plugin: dump
-    source: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v5.3.7/Cryptographic-Triangles-v5.3.7-linux-x64-daemon
+    source: https://github.com/SamiAhmed7777/triangles_v5/releases/download/v6.1.0/Cryptographic-Triangles-v6.1.0-linux-x64-daemon
    source-type: file
    organize:
-      Cryptographic-Triangles-v5.3.7-linux-x64-daemon: bin/trianglesd
+      Cryptographic-Triangles-v6.1.0-linux-x64-daemon: bin/trianglesd

  desktop-entry:
    plugin: dump
@@ -0,0 +1,689 @@
+# src/CMakeLists.txt
+# Defines all build targets: libraries and executables.
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# 1. Hash9 cryptographic primitives (pure C)
+# ═══════════════════════════════════════════════════════════════════════════════
+add_library(hash9_crypto STATIC
+    blake.c
+    groestl.c
+    jh.c
+    keccak.c
+    skein.c
+    aes_helper.c
+    bmw.c
+    cubehash.c
+    echo.c
+    fugue.c
+    hamsi.c
+    hamsi_helper.c
+    luffa.c
+    shavite.c
+    simd.c
+)
+target_include_directories(hash9_crypto PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
+set_target_properties(hash9_crypto PROPERTIES LINKER_LANGUAGE C)
+# Hash9 C files have colliding static symbols (IV512, DECL_STATE, etc.) — skip unity
+set_target_properties(hash9_crypto PROPERTIES UNITY_BUILD OFF)
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# 2. JSON library (header-only nlohmann/json via json_compat.h shim)
+# ═══════════════════════════════════════════════════════════════════════════════
+add_library(json_compat INTERFACE)
+target_include_directories(json_compat INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/json")
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# 3. Common core library (shared between daemon, Qt, and tests)
+#
+#    EXCLUDES init.cpp, wallet.cpp (QT_GUI-conditional), noui.cpp (target-specific)
+# ═══════════════════════════════════════════════════════════════════════════════
+set(CORE_SOURCES
+    addrman.cpp
+    bootstrap.cpp
+    checkpointpublisher.cpp
+    checkpoints.cpp
+    crypter.cpp
+    hdwallet.cpp
+    crypto_ecdh.cpp
+    crypto_ecdsa.cpp
+    db.cpp
+    key.cpp
+    keystore.cpp
+    main.cpp
+    miner.cpp
+    net.cpp
+    net_bootstrap.cpp
+    netbase.cpp
+    protocol.cpp
+    script.cpp
+    sync.cpp
+    util.cpp
+    version.cpp
+    walletdb.cpp
+    kernel.cpp
+    pbkdf2.cpp
+    scrypt.cpp
+    smessage.cpp
+    syncmanager.cpp
+    chaindb_migrate.cpp
+    tor_embed_hooks.cpp
+    rest.cpp
+    trianglesrpc.cpp
+    rpcdump.cpp
+    rpcnet.cpp
+    rpcmining.cpp
+    rpcwallet.cpp
+    rpcblockchain.cpp
+    rpcrawtransaction.cpp
+    rpcsmessage.cpp
+    zmqpublishnotifier.cpp
+    txdb-base.cpp
+    txdb-factory.cpp
+    txdb-leveldb.cpp
+    utxosnapshot.cpp
+    snapshotnet.cpp
+    lz4/lz4.c
+    tor/onion_v3.cpp
+    tor/tor_process.cpp
+    tor/tor_embedded.cpp
+    i2p/i2p_embedded.cpp
+)
+
+# Scrypt assembly — platform-specific
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|AMD64|amd64")
+    enable_language(ASM)
+    list(APPEND CORE_SOURCES scrypt-x86_64.S)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i[3-6]86|x86")
+    enable_language(ASM)
+    list(APPEND CORE_SOURCES scrypt-x86.S)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|arm64|ARM64")
+    enable_language(ASM)
+    list(APPEND CORE_SOURCES scrypt-arm.S)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm|ARM")
+    enable_language(ASM)
+    list(APPEND CORE_SOURCES scrypt-arm.S)
+endif()
+
+# RocksDB chain database backend (always built; see top-level CMakeLists.txt
+# for the rationale — RocksDB also backs the smessage store).
+list(APPEND CORE_SOURCES txdb-rocksdb.cpp)
+
+# Modernization: SQLite wallet DB backend + Berkeley→SQLite migration.
+# Built unconditionally; selection happens at runtime via -walletdb.
+list(APPEND CORE_SOURCES
+    walletdb-factory.cpp
+    walletdb-sqlite.cpp
+    walletdb-recover.cpp
+    walletmigrate.cpp
+)
+
+add_library(triangles_common OBJECT ${CORE_SOURCES})
+
+target_include_directories(triangles_common PUBLIC
+    "${CMAKE_CURRENT_SOURCE_DIR}"
+    "${CMAKE_CURRENT_SOURCE_DIR}/json"
+    "${CMAKE_CURRENT_SOURCE_DIR}/tor"
+    "${CMAKE_CURRENT_SOURCE_DIR}/i2p"
+    "${CMAKE_BINARY_DIR}/generated"       # for build.h
+)
+
+target_compile_definitions(triangles_common PUBLIC HAVE_BUILD_INFO)
+
+target_link_libraries(triangles_common PUBLIC
+    hash9_crypto
+    json_compat
+    leveldb_bundled
+    OpenSSL::SSL
+    OpenSSL::Crypto
+    BerkeleyDB::BerkeleyDB
+    Libevent::Libevent
+    ZLIB::ZLIB
+    Threads::Threads
+    SQLite::SQLite3
+)
+
+# Optional: UPnP
+if(USE_UPNP)
+    target_compile_definitions(triangles_common PUBLIC USE_UPNP=1 STATICLIB MINIUPNP_STATICLIB)
+    target_link_libraries(triangles_common PUBLIC Miniupnpc::Miniupnpc)
+    if(WIN32)
+        target_link_libraries(triangles_common PUBLIC iphlpapi)
+    endif()
+endif()
+
+# Optional: IPv6
+if(USE_IPV6)
+    target_compile_definitions(triangles_common PUBLIC USE_IPV6=1)
+endif()
+
+# Optional: ZMQ
+if(USE_ZMQ)
+    target_compile_definitions(triangles_common PUBLIC ENABLE_ZMQ)
+    target_link_libraries(triangles_common PUBLIC PkgConfig::ZMQ)
+endif()
+
+# libsecp256k1 (mandatory) — ECDH / ECDSA replacement for OpenSSL EC.
+# Provided by add_subdirectory(src/secp256k1) in the top-level CMakeLists.
+target_link_libraries(triangles_common PUBLIC secp256k1)
+
+# RocksDB (mandatory)
+if(TARGET RocksDB::rocksdb)
+    target_link_libraries(triangles_common PUBLIC RocksDB::rocksdb)
+elseif(TARGET PkgConfig::RocksDB)
+    target_link_libraries(triangles_common PUBLIC PkgConfig::RocksDB)
+endif()
+
+# Optional: Embedded Tor
+if(USE_TOR_EMBEDDED)
+    if(TOR_SOURCE_ROOT STREQUAL "")
+        set(TOR_SOURCE_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/tor/tor-src")
+    endif()
+    target_compile_definitions(triangles_common PUBLIC ENABLE_TOR_EMBEDDED)
+    target_include_directories(triangles_common PUBLIC "${TOR_SOURCE_ROOT}/src/feature/api")
+    target_link_directories(triangles_common PUBLIC "${TOR_SOURCE_ROOT}")
+    # libtor.a has circular deps with libevent/openssl/zlib
+    # OpenSSL and zlib already linked via imported targets above, so only add
+    # libevent and compression libs that libtor needs but aren't yet linked.
+    # --start-group / --end-group resolves circular references between libtor
+    # and its dependencies.
+    # Use --allow-multiple-definition because libtor.a may pull in static
+    # OpenSSL objects that duplicate the DLL import lib already linked above.
+    # These GNU ld options are not supported on macOS (which uses lld) —
+    # guard with NOT APPLE so the build still works on macOS.
+    # On macOS, the libevent/openssl/zlib install paths are not on the
+    # default linker search path. Pull them in from the standard
+    # homebrew locations so -levent / -lssl / -lssl etc. resolve.
+    if(APPLE)
+        target_link_directories(triangles_common PUBLIC
+            /opt/homebrew/opt/libevent/lib
+            /opt/homebrew/opt/openssl@3/lib
+            /opt/homebrew/opt/zlib/lib
+        )
+    endif()
+    if(NOT APPLE)
+        target_link_libraries(triangles_common PUBLIC
+            -Wl,--allow-multiple-definition
+            -Wl,--start-group
+        )
+    endif()
+    target_link_libraries(triangles_common PUBLIC
+        -ltor
+        -levent -levent_core -levent_extra -levent_openssl
+        -lssl -lcrypto -lz -llzma -lzstd
+    )
+    if(NOT APPLE)
+        target_link_libraries(triangles_common PUBLIC
+            -Wl,--end-group
+        )
+    endif()
+    if(WIN32)
+        target_link_libraries(triangles_common PUBLIC iphlpapi shlwapi crypt32)
+    endif()
+endif()
+
+# Optional: Embedded I2P (i2pd)
+if(USE_I2P_EMBEDDED)
+    if(I2P_SOURCE_ROOT STREQUAL "")
+        set(I2P_SOURCE_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/i2p/i2pd-src")
+    endif()
+    if(NOT EXISTS "${I2P_SOURCE_ROOT}/libi2pd/Crypto.h")
+        message(FATAL_ERROR
+            "USE_I2P_EMBEDDED=ON but i2pd source not found at ${I2P_SOURCE_ROOT}.\n"
+            "Run: git submodule update --init --recursive\n"
+            "Or set -DI2P_SOURCE_ROOT=/path/to/i2pd")
+    endif()
+    target_compile_definitions(triangles_common PUBLIC ENABLE_I2P_EMBEDDED)
+    target_include_directories(triangles_common PUBLIC
+        "${I2P_SOURCE_ROOT}"
+        "${I2P_SOURCE_ROOT}/libi2pd"
+        "${I2P_SOURCE_ROOT}/libi2pd_client"
+        "${I2P_SOURCE_ROOT}/i18n"
+    )
+    # i2pd builds as two static libraries: libi2pd.a (core router) and
+    # libi2pd_client.a (SAM, SOCKS, tunnels, client context). Both are needed.
+    # i2pd's own Makefile.mingw links by full static .a paths rather than
+    # -l flags because MinGW's linker is single-pass and CMake imported
+    # targets (Boost::) may not exist on MSYS2. We follow the same pattern:
+    # link the archives, then their Boost/zlib deps as full paths, then
+    # the archives again to resolve the second-pass references.
+    target_link_libraries(triangles_common PUBLIC
+        "${I2P_SOURCE_ROOT}/libi2pdclient.a"
+        "${I2P_SOURCE_ROOT}/libi2pd.a"
+        "${I2P_SOURCE_ROOT}/libi2pdlang.a"
+    )
+    if(WIN32)
+        # MinGW/MSYS2: Boost:: CMake imported targets are unreliable here.
+        # Use find_library to locate the actual .a/.dll files. Some Boost
+        # libs (e.g. boost_system) are header-only in newer versions and
+        # won't have a .a file at all — that's fine, we skip them.
+        if(NOT MINGW_PREFIX)
+            if(DEFINED ENV{MINGW_PREFIX})
+                set(MINGW_PREFIX "$ENV{MINGW_PREFIX}")
+            else()
+                set(MINGW_PREFIX "/mingw64")
+            endif()
+        endif()
+        find_library(I2P_BOOST_FS  NAMES boost_filesystem-mt boost_filesystem libboost_filesystem-mt  HINTS "${MINGW_PREFIX}/lib")
+        find_library(I2P_BOOST_PO  NAMES boost_program_options-mt boost_program_options libboost_program_options-mt  HINTS "${MINGW_PREFIX}/lib")
+        find_library(I2P_BOOST_SYS NAMES boost_system-mt boost_system libboost_system-mt  HINTS "${MINGW_PREFIX}/lib")
+        find_library(I2P_SSL       NAMES ssl libssl  HINTS "${MINGW_PREFIX}/lib")
+        find_library(I2P_CRYPTO    NAMES crypto libcrypto  HINTS "${MINGW_PREFIX}/lib")
+        find_library(I2P_Z         NAMES z libz zlib  HINTS "${MINGW_PREFIX}/lib")
+        set(I2P_WIN_LIBS "")
+        foreach(lib I2P_BOOST_FS I2P_BOOST_PO I2P_BOOST_SYS I2P_SSL I2P_CRYPTO I2P_Z)
+            if(${lib})
+                list(APPEND I2P_WIN_LIBS "${${lib}}")
+                message(STATUS "  I2P link: ${lib} = ${${lib}}")
+            else()
+                message(STATUS "  I2P link: ${lib} = (not found, header-only?)")
+            endif()
+        endforeach()
+        target_link_libraries(triangles_common PUBLIC ${I2P_WIN_LIBS} -Wl,--allow-multiple-definition)
+    else()
+        target_link_libraries(triangles_common PUBLIC
+            Boost::program_options Boost::thread Boost::chrono
+            OpenSSL::SSL OpenSSL::Crypto
+            ZLIB::ZLIB
+        )
+        if(TARGET Boost::filesystem)
+            target_link_libraries(triangles_common PUBLIC Boost::filesystem)
+        endif()
+        if(TARGET Boost::system)
+            target_link_libraries(triangles_common PUBLIC Boost::system)
+        endif()
+    endif()
+    # Second pass: list archives again so linker resolves i2pd→Boost refs
+    # that were unsatisfied in the first left-to-right pass.
+    target_link_libraries(triangles_common PUBLIC
+        "${I2P_SOURCE_ROOT}/libi2pd.a"
+        "${I2P_SOURCE_ROOT}/libi2pdclient.a"
+    )
+endif()
+
+# Platform-specific libraries
+if(WIN32)
+    target_link_libraries(triangles_common PUBLIC
+        ws2_32 shlwapi mswsock ole32 oleaut32 uuid gdi32 crypt32)
+elseif(APPLE)
+    target_link_libraries(triangles_common PUBLIC
+        "-framework Foundation"
+        "-framework ApplicationServices"
+        "-framework AppKit")
+else()
+    # Linux
+    target_link_libraries(triangles_common PUBLIC rt dl)
+endif()
+
+add_dependencies(triangles_common generate_build_info build_leveldb)
+
+# ── Precompiled header (heavy STL + Boost + OpenSSL includes, C++ only) ──
+target_precompile_headers(triangles_common PRIVATE
+    "$<$<COMPILE_LANGUAGE:CXX>:<string$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<vector$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<map$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<deque$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<algorithm$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<sstream$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<stdexcept$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<cstdint$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<cstring$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<memory$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<functional$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<filesystem$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<fstream$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<thread$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<mutex$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<condition_variable$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<boost/algorithm/string.hpp$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<openssl/sha.h$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<openssl/crypto.h$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<openssl/rand.h$<ANGLE-R>>"
+    "$<$<COMPILE_LANGUAGE:CXX>:<openssl/evp.h$<ANGLE-R>>"
+)
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# 4. Headless daemon (trianglesd)
+# ═══════════════════════════════════════════════════════════════════════════════
+if(BUILD_DAEMON)
+    add_executable(trianglesd
+        noui.cpp
+        init.cpp
+        wallet.cpp
+    )
+    # No QT_GUI define — daemon gets the #if !defined(QT_GUI) code paths
+    target_link_libraries(trianglesd PRIVATE triangles_common)
+    target_precompile_headers(trianglesd REUSE_FROM triangles_common)
+
+    if(WIN32)
+        set_target_properties(trianglesd PROPERTIES SUFFIX ".exe")
+    endif()
+endif()
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# 4b. JSON-RPC client (triangles-cli)
+#
+# Self-contained: only links univalue + boost::asio + boost::program_options
+# + boost::filesystem + OpenSSL (for base64 / future TLS). Does NOT link
+# triangles_common, wallet, or net — keeps the binary small.
+# ═══════════════════════════════════════════════════════════════════════════════
+if(BUILD_CLI)
+    add_executable(triangles-cli
+        triangles-cli.cpp
+    )
+    # No Boost dependency: uses raw POSIX/Winsock sockets for HTTP. Only links
+    # the json_compat header-only shim and the platform's native socket lib
+    # (Winsock ws2_32 on Windows; libc on POSIX). Keeps the binary small and
+    # avoids per-platform Boost linking pain (MSYS2 uses versioned -mt- names;
+    # Homebrew doesn't ship the boost_system CMake config).
+    target_link_libraries(triangles-cli
+        PRIVATE
+            json_compat
+    )
+
+    if(WIN32)
+        set_target_properties(triangles-cli PROPERTIES SUFFIX ".exe")
+        target_link_libraries(triangles-cli PRIVATE ws2_32)
+    endif()
+
+    if(MSVC)
+        set_target_properties(triangles-cli PROPERTIES
+            VS_WINRT_COMPONENT "console"
+        )
+    endif()
+endif()
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# 5. Qt5 GUI wallet (triangles-qt)
+# ═══════════════════════════════════════════════════════════════════════════════
+if(BUILD_QT)
+    set(CMAKE_AUTOMOC ON)
+    set(CMAKE_AUTOUIC ON)
+    set(CMAKE_AUTORCC ON)
+
+    set(CMAKE_AUTOUIC_SEARCH_PATHS
+        "${CMAKE_CURRENT_SOURCE_DIR}/qt/forms"
+        "${CMAKE_CURRENT_SOURCE_DIR}/qt/plugins/mrichtexteditor"
+    )
+
+    # ui_interface.h is a hand-written header (Bitcoin convention), NOT a Qt
+    # Designer file. Disable AutoUic globally and run UIC manually for real .ui files.
+    set(CMAKE_AUTOUIC OFF)
+
+    # Collect all .ui files and run UIC on them explicitly
+    file(GLOB_RECURSE UI_FILES
+        "${CMAKE_CURRENT_SOURCE_DIR}/qt/forms/*.ui"
+        "${CMAKE_CURRENT_SOURCE_DIR}/qt/plugins/mrichtexteditor/*.ui"
+    )
+    qt5_wrap_ui(UI_HEADERS ${UI_FILES})
+
+    set(QT_SOURCES
+        qt/triangles.cpp
+        qt/trianglesgui.cpp
+        qt/transactiontablemodel.cpp
+        qt/addresstablemodel.cpp
+        qt/optionsdialog.cpp
+        qt/sendcoinsdialog.cpp
+        qt/coincontroldialog.cpp
+        qt/coincontroltreewidget.cpp
+        qt/addressbookpage.cpp
+        qt/aboutdialog.cpp
+        qt/introdialog.cpp
+        qt/editaddressdialog.cpp
+        qt/trianglesaddressvalidator.cpp
+        qt/clientmodel.cpp
+        qt/guiutil.cpp
+        qt/transactionrecord.cpp
+        qt/optionsmodel.cpp
+        qt/monitoreddatamapper.cpp
+        qt/transactiondesc.cpp
+        qt/transactiondescdialog.cpp
+        qt/trianglesstrings.cpp
+        qt/trianglesamountfield.cpp
+        qt/transactionfilterproxy.cpp
+        qt/transactionview.cpp
+        qt/walletmodel.cpp
+        qt/overviewpage.cpp
+        qt/csvmodelwriter.cpp
+        qt/sendcoinsentry.cpp
+        qt/qvalidatedlineedit.cpp
+        qt/trianglesunits.cpp
+        qt/qvaluecombobox.cpp
+        qt/askpassphrasedialog.cpp
+        qt/hdseeddialog.cpp
+        qt/notificator.cpp
+        qt/qtipcserver.cpp
+        qt/rpcconsole.cpp
+        qt/messagepage.cpp
+        qt/dialog_move_handler.cpp
+        qt/signmessagepage.cpp
+        qt/verifymessagepage.cpp
+        qt/messagemodel.cpp
+        qt/sendmessagesdialog.cpp
+        qt/sendmessagesentry.cpp
+        qt/qvalidatedtextedit.cpp
+        qt/plugins/mrichtexteditor/mrichtextedit.cpp
+    )
+
+    set(QT_RESOURCES qt/triangles.qrc)
+
+    set(QT_FORMS
+        qt/forms/coincontroldialog.ui
+        qt/forms/sendcoinsdialog.ui
+        qt/forms/addressbookpage.ui
+        qt/forms/aboutdialog.ui
+        qt/forms/editaddressdialog.ui
+        qt/forms/transactiondescdialog.ui
+        qt/forms/overviewpage.ui
+        qt/forms/sendcoinsentry.ui
+        qt/forms/askpassphrasedialog.ui
+        qt/forms/rpcconsole.ui
+        qt/forms/optionsdialog.ui
+        qt/forms/messagepage.ui
+        qt/forms/sendmessagesentry.ui
+        qt/forms/sendmessagesdialog.ui
+        qt/plugins/mrichtexteditor/mrichtextedit.ui
+        qt/forms/mainwindow.ui
+        qt/forms/signmessagepage.ui
+        qt/forms/verifymessagepage.ui
+        qt/forms/transactionspage.ui
+    )
+
+    # Optional QR code dialog
+    if(USE_QRCODE)
+        list(APPEND QT_SOURCES qt/qrcodedialog.cpp)
+        list(APPEND QT_FORMS qt/forms/qrcodedialog.ui)
+    endif()
+
+    # macOS Objective-C++ sources
+    if(APPLE)
+        list(APPEND QT_SOURCES
+            qt/macdockiconhandler.mm
+            qt/macnotificationhandler.mm
+        )
+    endif()
+
+    add_executable(triangles-qt WIN32 MACOSX_BUNDLE
+        ${QT_SOURCES}
+        ${QT_RESOURCES}
+        ${QT_FORMS}
+        ${UI_HEADERS}
+        # Per-target: compiled with QT_GUI define
+        init.cpp
+        wallet.cpp
+        noui.cpp
+    )
+
+    target_compile_definitions(triangles-qt PRIVATE
+        QT_GUI
+        QT_DISABLE_DEPRECATED_BEFORE=0
+    )
+
+    target_include_directories(triangles-qt PRIVATE
+        "${CMAKE_CURRENT_SOURCE_DIR}/qt"
+        "${CMAKE_CURRENT_SOURCE_DIR}/qt/plugins/mrichtexteditor"
+        "${CMAKE_CURRENT_BINARY_DIR}"
+    )
+
+    target_link_libraries(triangles-qt PRIVATE
+        triangles_common
+        Qt5::Core
+        Qt5::Gui
+        Qt5::Widgets
+        Qt5::Network
+    )
+
+    # Optional: D-Bus notifications (Linux)
+    if(USE_DBUS)
+        target_compile_definitions(triangles-qt PRIVATE USE_DBUS)
+        target_link_libraries(triangles-qt PRIVATE Qt5::DBus)
+    endif()
+
+    # Optional: QR code
+    if(USE_QRCODE)
+        target_compile_definitions(triangles-qt PRIVATE USE_QRCODE)
+        target_link_libraries(triangles-qt PRIVATE QRencode::QRencode)
+    endif()
+
+    # Windows resource file (.rc with version info and icon)
+    if(WIN32)
+        target_sources(triangles-qt PRIVATE qt/res/triangles-qt.rc)
+        # Ensure RC compiler can find clientversion.h
+        if(MINGW)
+            set_source_files_properties(qt/res/triangles-qt.rc PROPERTIES
+                COMPILE_FLAGS "-I${CMAKE_CURRENT_SOURCE_DIR}"
+            )
+        endif()
+    endif()
+
+    # macOS bundle settings
+    if(APPLE)
+        set_target_properties(triangles-qt PROPERTIES
+            OUTPUT_NAME "Triangles-Qt"
+            MACOSX_BUNDLE_ICON_FILE triangles.icns
+            MACOSX_BUNDLE_BUNDLE_NAME "Triangles-Qt"
+            MACOSX_BUNDLE_BUNDLE_VERSION "${PROJECT_VERSION}"
+            MACOSX_BUNDLE_SHORT_VERSION_STRING "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}"
+        )
+        set_source_files_properties(
+            "${CMAKE_CURRENT_SOURCE_DIR}/qt/res/icons/triangles.icns"
+            PROPERTIES MACOSX_PACKAGE_LOCATION "Resources"
+        )
+        target_sources(triangles-qt PRIVATE qt/res/icons/triangles.icns)
+    endif()
+
+    # Translations (optional — requires LinguistTools)
+    if(TARGET Qt5::lrelease)
+        file(GLOB TS_FILES "${CMAKE_CURRENT_SOURCE_DIR}/qt/locale/triangles_*.ts")
+        if(TS_FILES)
+            set_source_files_properties(${TS_FILES} PROPERTIES
+                OUTPUT_LOCATION "${CMAKE_CURRENT_SOURCE_DIR}/qt/locale"
+            )
+            qt5_add_translation(QM_FILES ${TS_FILES})
+            target_sources(triangles-qt PRIVATE ${QM_FILES})
+        endif()
+    endif()
+endif()
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# 6. Unit tests (test_triangles)
+# ═══════════════════════════════════════════════════════════════════════════════
+if(BUILD_TESTS)
+    enable_testing()
+
+    file(GLOB TEST_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/test/*.cpp")
+    # Exclude miner_tests.cpp (never ported from Bitcoin)
+    list(FILTER TEST_SOURCES EXCLUDE REGEX "miner_tests\\.cpp$")
+    # Exclude the standalone chaindb test driver — it gets its own target
+    # because it needs to run without the TestingSetup global fixture.
+    list(FILTER TEST_SOURCES EXCLUDE REGEX "chaindb_equivalence_tests_main\\.cpp$")
+
+    add_executable(test_triangles
+        ${TEST_SOURCES}
+        # Per-target: wallet without QT_GUI, noui for noui_connect()
+        wallet.cpp
+        noui.cpp
+    )
+    # No init.cpp — test_triangles.cpp provides its own StartShutdown() stub
+
+    target_compile_definitions(test_triangles PRIVATE
+        "TEST_DATA_DIR=\"${CMAKE_CURRENT_SOURCE_DIR}/test/data\""
+    )
+
+    target_include_directories(test_triangles PRIVATE
+        "${CMAKE_CURRENT_SOURCE_DIR}"
+        "${CMAKE_CURRENT_SOURCE_DIR}/test"
+    )
+
+    target_link_libraries(test_triangles PRIVATE
+        triangles_common
+        Boost::unit_test_framework
+    )
+
+    add_test(NAME triangles_unit_tests COMMAND test_triangles --log_level=test_suite)
+
+    # ── Standalone chaindb equivalence tests ─────────────────────────────────
+    # Runs without the TestingSetup global fixture (which would otherwise
+    # open the real chain DB and lock it for the process). Sets a fresh
+    # temp -datadir via its own global fixture, then runs the
+    # chaindb_equivalence_tests suite.
+    add_executable(test_chaindb_equivalence
+        "${CMAKE_CURRENT_SOURCE_DIR}/test/chaindb_equivalence_tests_main.cpp"
+        # wallet.cpp provides the CWallet symbols that triangles_common
+        # (txdb-rocksdb, net, etc.) references, even though the chaindb
+        # tests themselves don't use the wallet.
+        wallet.cpp
+    )
+    target_include_directories(test_chaindb_equivalence PRIVATE
+        "${CMAKE_CURRENT_SOURCE_DIR}"
+        "${CMAKE_CURRENT_SOURCE_DIR}/test"
+        "${CMAKE_CURRENT_SOURCE_DIR}/leveldb/include"
+    )
+    target_link_libraries(test_chaindb_equivalence PRIVATE
+        triangles_common
+        Boost::unit_test_framework
+    )
+    add_test(NAME chaindb_equivalence_tests
+             COMMAND test_chaindb_equivalence --log_level=test_suite)
+
+    # ── Standalone snapshotnet P2P tests ────────────────────────────────────
+    # Same rationale as test_chaindb_equivalence: snapshotnet needs filesystem
+    # and threading globals and its own tmp datadir fixture, which would
+    # conflict with test_triangles' heavy TestingSetup. Runs independently.
+    add_executable(test_snapshotnet
+        "${CMAKE_CURRENT_SOURCE_DIR}/test/snapshotnet_tests.cpp"
+        wallet.cpp
+    )
+    target_include_directories(test_snapshotnet PRIVATE
+        "${CMAKE_CURRENT_SOURCE_DIR}"
+        "${CMAKE_CURRENT_SOURCE_DIR}/test"
+        "${CMAKE_CURRENT_SOURCE_DIR}/leveldb/include"
+    )
+    target_link_libraries(test_snapshotnet PRIVATE
+        triangles_common
+        Boost::unit_test_framework
+    )
+    add_test(NAME snapshotnet_tests
+             COMMAND test_snapshotnet --log_level=test_suite)
+
+    # ── Standalone chaindb runtime tests (CRocksTxDB wrapper layer) ─────────
+    # Exercises MakeChainDB / WipeChainDataDir / IsRocksDbChainBackend and
+    # the CRocksTxDB write/read/batch/iterator wrapper — the same code path
+    # the daemon uses when launched with `-chaindb=rocksdb`. The
+    # chaindb_equivalence_tests (above) only verify the byte-copy migration
+    # via the raw leveldb/rocksdb APIs; this one verifies the wrapper class.
+    add_executable(test_chaindb_runtime
+        "${CMAKE_CURRENT_SOURCE_DIR}/test/chaindb_runtime_tests.cpp"
+        wallet.cpp
+    )
+    target_include_directories(test_chaindb_runtime PRIVATE
+        "${CMAKE_CURRENT_SOURCE_DIR}"
+        "${CMAKE_CURRENT_SOURCE_DIR}/test"
+        "${CMAKE_CURRENT_SOURCE_DIR}/leveldb/include"
+    )
+    target_link_libraries(test_chaindb_runtime PRIVATE
+        triangles_common
+        Boost::unit_test_framework
+    )
+    add_test(NAME chaindb_runtime_tests
+             COMMAND test_chaindb_runtime --log_level=test_suite)
+endif()
@@ -4,6 +4,8 @@

 #include "addrman.h"

+#include <cmath>
+
 using namespace std;

 int CAddrInfo::GetTriedBucket(const std::vector<unsigned char> &nKey) const
@@ -79,15 +81,14 @@ double CAddrInfo::GetChance(int64_t nNow) const

 CAddrInfo* CAddrMan::Find(const CNetAddr& addr, int *pnId)
 {
-    std::map<CNetAddr, int>::iterator it = mapAddr.find(addr);
+    auto it = mapAddr.find(addr);
    if (it == mapAddr.end())
-        return NULL;
+        return nullptr;
    if (pnId)
-        *pnId = (*it).second;
-    std::map<int, CAddrInfo>::iterator it2 = mapInfo.find((*it).second);
-    if (it2 != mapInfo.end())
-        return &(*it2).second;
-    return NULL;
+        *pnId = it->second;
+    if (auto it2 = mapInfo.find(it->second); it2 != mapInfo.end())
+        return &it2->second;
+    return nullptr;
 }

 CAddrInfo* CAddrMan::Create(const CAddress &addr, const CNetAddr &addrSource, int *pnId)
@@ -175,13 +176,13 @@ int CAddrMan::ShrinkNew(int nUBucket)
    int n[4] = {GetRandInt(vNew.size()), GetRandInt(vNew.size()), GetRandInt(vNew.size()), GetRandInt(vNew.size())};
    int nI = 0;
    int nOldest = -1;
-    for (std::set<int>::iterator it = vNew.begin(); it != vNew.end(); it++)
+    for (const auto& elem : vNew)
    {
        if (nI == n[0] || nI == n[1] || nI == n[2] || nI == n[3])
        {
-            assert(nOldest == -1 || mapInfo.count(*it) == 1);
-            if (nOldest == -1 || mapInfo[*it].nTime < mapInfo[nOldest].nTime)
-                nOldest = *it;
+            assert(nOldest == -1 || mapInfo.count(elem) == 1);
+            if (nOldest == -1 || mapInfo[elem].nTime < mapInfo[nOldest].nTime)
+                nOldest = elem;
        }
        nI++;
    }
@@ -438,10 +439,8 @@ int CAddrMan::Check_()

    if (vRandom.size() != nTried + nNew) return -7;

-    for (std::map<int, CAddrInfo>::iterator it = mapInfo.begin(); it != mapInfo.end(); it++)
+    for (auto& [n, info] : mapInfo)
    {
-        int n = (*it).first;
-        CAddrInfo &info = (*it).second;
        if (info.fInTried)
        {

@@ -465,10 +464,10 @@ int CAddrMan::Check_()
    for (int n=0; n<vvTried.size(); n++)
    {
        std::vector<int> &vTried = vvTried[n];
-        for (std::vector<int>::iterator it = vTried.begin(); it != vTried.end(); it++)
+        for (const auto& elem : vTried)
        {
-            if (!setTried.count(*it)) return -11;
-            setTried.erase(*it);
+            if (!setTried.count(elem)) return -11;
+            setTried.erase(elem);
        }
    }

@@ -1,276 +0,0 @@
-//
-// Alert system
-//
-
-#include <algorithm>
-#include <boost/algorithm/string/classification.hpp>
-#include <boost/algorithm/string/replace.hpp>
-#include <map>
-
-#include "alert.h"
-#include "key.h"
-#include "net.h"
-#include "sync.h"
-#include "ui_interface.h"
-
-using namespace std;
-
-map<uint256, CAlert> mapAlerts;
-CCriticalSection cs_mapAlerts;
-
-// Alert keys disabled for decentralization - v5 hard fork
-static const char* pszMainKey = "";
-
-// TestNet alerts pubKey
-static const char* pszTestKey = "";
-
-void CUnsignedAlert::SetNull()
-{
-    nVersion = 1;
-    nRelayUntil = 0;
-    nExpiration = 0;
-    nID = 0;
-    nCancel = 0;
-    setCancel.clear();
-    nMinVer = 0;
-    nMaxVer = 0;
-    setSubVer.clear();
-    nPriority = 0;
-
-    strComment.clear();
-    strStatusBar.clear();
-    strReserved.clear();
-}
-
-std::string CUnsignedAlert::ToString() const
-{
-    std::string strSetCancel;
-    for (int n : setCancel)
-        strSetCancel += strprintf("%d ", n);
-    std::string strSetSubVer;
-    for (std::string str : setSubVer)
-        strSetSubVer += "\"" + str + "\" ";
-    return strprintf(
-        "CAlert(\n"
-        "    nVersion     = %d\n"
-        "    nRelayUntil  = %" PRId64 "\n"
-        "    nExpiration  = %" PRId64 "\n"
-        "    nID          = %d\n"
-        "    nCancel      = %d\n"
-        "    setCancel    = %s\n"
-        "    nMinVer      = %d\n"
-        "    nMaxVer      = %d\n"
-        "    setSubVer    = %s\n"
-        "    nPriority    = %d\n"
-        "    strComment   = \"%s\"\n"
-        "    strStatusBar = \"%s\"\n"
-        ")\n",
-        nVersion,
-        nRelayUntil,
-        nExpiration,
-        nID,
-        nCancel,
-        strSetCancel.c_str(),
-        nMinVer,
-        nMaxVer,
-        strSetSubVer.c_str(),
-        nPriority,
-        strComment.c_str(),
-        strStatusBar.c_str());
-}
-
-void CUnsignedAlert::print() const
-{
-    printf("%s", ToString().c_str());
-}
-
-void CAlert::SetNull()
-{
-    CUnsignedAlert::SetNull();
-    vchMsg.clear();
-    vchSig.clear();
-}
-
-bool CAlert::IsNull() const
-{
-    return (nExpiration == 0);
-}
-
-uint256 CAlert::GetHash() const
-{
-    return Hash(this->vchMsg.begin(), this->vchMsg.end());
-}
-
-bool CAlert::IsInEffect() const
-{
-    return (GetAdjustedTime() < nExpiration);
-}
-
-bool CAlert::Cancels(const CAlert& alert) const
-{
-    if (!IsInEffect())
-        return false; // this was a no-op before 31403
-    return (alert.nID <= nCancel || setCancel.count(alert.nID));
-}
-
-bool CAlert::AppliesTo(int nVersion, std::string strSubVerIn) const
-{
-    // TODO: rework for client-version-embedded-in-strSubVer ?
-    return (IsInEffect() &&
-            nMinVer <= nVersion && nVersion <= nMaxVer &&
-            (setSubVer.empty() || setSubVer.count(strSubVerIn)));
-}
-
-bool CAlert::AppliesToMe() const
-{
-    return AppliesTo(PROTOCOL_VERSION, FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector<std::string>()));
-}
-
-bool CAlert::RelayTo(CNode* pnode) const
-{
-    if (!IsInEffect())
-        return false;
-    // returns true if wasn't already contained in the set
-    if (pnode->setKnown.insert(GetHash()).second)
-    {
-        if (AppliesTo(pnode->nVersion, pnode->strSubVer) ||
-            AppliesToMe() ||
-            GetAdjustedTime() < nRelayUntil)
-        {
-            pnode->PushMessage("alert", *this);
-            return true;
-        }
-    }
-    return false;
-}
-
-bool CAlert::CheckSignature() const
-{
-    // Alert key system disabled for decentralization - v5 hard fork
-    const char* pszKey = fTestNet ? pszTestKey : pszMainKey;
-    if (pszKey[0] == '\0')
-        return false; // No alerts accepted without a valid key
-
-    CKey key;
-    if (!key.SetPubKey(ParseHex(pszKey)))
-        return error("CAlert::CheckSignature() : SetPubKey failed");
-    if (!key.Verify(Hash(vchMsg.begin(), vchMsg.end()), vchSig))
-        return error("CAlert::CheckSignature() : verify signature failed");
-
-    // Now unserialize the data
-    CDataStream sMsg(vchMsg, SER_NETWORK, PROTOCOL_VERSION);
-    sMsg >> *(CUnsignedAlert*)this;
-    return true;
-}
-
-CAlert CAlert::getAlertByHash(const uint256 &hash)
-{
-    CAlert retval;
-    {
-        LOCK(cs_mapAlerts);
-        map<uint256, CAlert>::iterator mi = mapAlerts.find(hash);
-        if(mi != mapAlerts.end())
-            retval = mi->second;
-    }
-    return retval;
-}
-
-bool CAlert::ProcessAlert(bool fThread)
-{
-    if (!CheckSignature())
-        return false;
-    if (!IsInEffect())
-        return false;
-
-    // alert.nID=max is reserved for if the alert key is
-    // compromised. It must have a pre-defined message,
-    // must never expire, must apply to all versions,
-    // and must cancel all previous
-    // alerts or it will be ignored (so an attacker can't
-    // send an "everything is OK, don't panic" version that
-    // cannot be overridden):
-    int maxInt = std::numeric_limits<int>::max();
-    if (nID == maxInt)
-    {
-        if (!(
-                nExpiration == maxInt &&
-                nCancel == (maxInt-1) &&
-                nMinVer == 0 &&
-                nMaxVer == maxInt &&
-                setSubVer.empty() &&
-                nPriority == maxInt &&
-                strStatusBar == "URGENT: Alert key compromised, upgrade required"
-                ))
-            return false;
-    }
-
-    {
-        LOCK(cs_mapAlerts);
-        // Cancel previous alerts
-        for (map<uint256, CAlert>::iterator mi = mapAlerts.begin(); mi != mapAlerts.end();)
-        {
-            const CAlert& alert = (*mi).second;
-            if (Cancels(alert))
-            {
-                printf("cancelling alert %d\n", alert.nID);
-                uiInterface.NotifyAlertChanged((*mi).first, CT_DELETED);
-                mapAlerts.erase(mi++);
-            }
-            else if (!alert.IsInEffect())
-            {
-                printf("expiring alert %d\n", alert.nID);
-                uiInterface.NotifyAlertChanged((*mi).first, CT_DELETED);
-                mapAlerts.erase(mi++);
-            }
-            else
-                mi++;
-        }
-
-        // Check if this alert has been cancelled
-        for (auto& item : mapAlerts)
-        {
-            const CAlert& alert = item.second;
-            if (alert.Cancels(*this))
-            {
-                printf("alert already cancelled by %d\n", alert.nID);
-                return false;
-            }
-        }
-
-        // Add to mapAlerts
-        mapAlerts.insert(make_pair(GetHash(), *this));
-        // Notify UI and -alertnotify if it applies to me
-        if(AppliesToMe())
-        {
-            uiInterface.NotifyAlertChanged(GetHash(), CT_NEW);
-            std::string strCmd = GetArg("-alertnotify", "");
-            if (!strCmd.empty())
-            {
-                // Alert text should be plain ascii coming from a trusted source, but to
-                // be safe we first strip anything not in safeChars, then add single quotes around
-                // the whole string before passing it to the shell:
-                std::string singleQuote("'");
-                // safeChars chosen to allow simple messages/URLs/email addresses, but avoid anything
-                // even possibly remotely dangerous like & or >
-                std::string safeChars("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890 .,;_/:?@");
-                std::string safeStatus;
-                for (std::string::size_type i = 0; i < strStatusBar.size(); i++)
-                {
-                    if (safeChars.find(strStatusBar[i]) != std::string::npos)
-                        safeStatus.push_back(strStatusBar[i]);
-                }
-                safeStatus = singleQuote+safeStatus+singleQuote;
-                boost::replace_all(strCmd, "%s", safeStatus);
-
-                if (fThread)
-                    boost::thread t(runCommand, strCmd); // thread runs free
-                else
-                    runCommand(strCmd);
-            }
-        }
-    }
-
-    printf("accepted alert %d, AppliesToMe()=%d\n", nID, AppliesToMe());
-    return true;
-}
-
@@ -1,104 +0,0 @@
-// Copyright (c) 2010 Satoshi Nakamoto
-// Copyright (c) 2009-2012 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#ifndef _TRIANGLESALERT_H_
-#define _TRIANGLESALERT_H_ 1
-
-#include <set>
-#include <string>
-
-#include "uint256.h"
-#include "util.h"
-
-class CNode;
-
-/** Alerts are for notifying old versions if they become too obsolete and
- * need to upgrade.  The message is displayed in the status bar.
- * Alert messages are broadcast as a vector of signed data.  Unserializing may
- * not read the entire buffer if the alert is for a newer version, but older
- * versions can still relay the original data.
- */
-class CUnsignedAlert
-{
-public:
-    int nVersion;
-    int64_t nRelayUntil;      // when newer nodes stop relaying to newer nodes
-    int64_t nExpiration;
-    int nID;
-    int nCancel;
-    std::set<int> setCancel;
-    int nMinVer;            // lowest version inclusive
-    int nMaxVer;            // highest version inclusive
-    std::set<std::string> setSubVer;  // empty matches all
-    int nPriority;
-
-    // Actions
-    std::string strComment;
-    std::string strStatusBar;
-    std::string strReserved;
-
-    IMPLEMENT_SERIALIZE
-    (
-        READWRITE(this->nVersion);
-        nVersion = this->nVersion;
-        READWRITE(nRelayUntil);
-        READWRITE(nExpiration);
-        READWRITE(nID);
-        READWRITE(nCancel);
-        READWRITE(setCancel);
-        READWRITE(nMinVer);
-        READWRITE(nMaxVer);
-        READWRITE(setSubVer);
-        READWRITE(nPriority);
-
-        READWRITE(strComment);
-        READWRITE(strStatusBar);
-        READWRITE(strReserved);
-    )
-
-    void SetNull();
-
-    std::string ToString() const;
-    void print() const;
-};
-
-/** An alert is a combination of a serialized CUnsignedAlert and a signature. */
-class CAlert : public CUnsignedAlert
-{
-public:
-    std::vector<unsigned char> vchMsg;
-    std::vector<unsigned char> vchSig;
-
-    CAlert()
-    {
-        SetNull();
-    }
-
-    IMPLEMENT_SERIALIZE
-    (
-        READWRITE(vchMsg);
-        READWRITE(vchSig);
-    )
-
-    void SetNull();
-    bool IsNull() const;
-    uint256 GetHash() const;
-    bool IsInEffect() const;
-    bool Cancels(const CAlert& alert) const;
-    bool AppliesTo(int nVersion, std::string strSubVerIn) const;
-    bool AppliesToMe() const;
-    bool RelayTo(CNode* pnode) const;
-    bool CheckSignature() const;
-    bool ProcessAlert(bool fThread = true);
-
-    /*
-     * Get copy of (active) alert object by hash. Returns a null alert if it is not found.
-     */
-    static CAlert getAlertByHash(const uint256 &hash);
-};
-
-#endif
-
-
@@ -7,7 +7,7 @@

 #include <string.h>
 #include <string>
-#include <boost/thread/mutex.hpp>
+#include <mutex>
 #include <map>

 #ifdef WIN32
@@ -55,7 +55,7 @@ public:
    // For all pages in affected range, increase lock count
    void LockRange(void *p, size_t size)
    {
-        boost::mutex::scoped_lock lock(mutex);
+        std::lock_guard<std::mutex> lock(mutex);
        if(!size) return;
        const size_t base_addr = reinterpret_cast<size_t>(p);
        const size_t start_page = base_addr & page_mask;
@@ -66,7 +66,7 @@ public:
            if(it == histogram.end()) // Newly locked page
            {
                locker.Lock(reinterpret_cast<void*>(page), page_size);
-                histogram.insert(std::make_pair(page, 1));
+                histogram.insert({page, 1});
            }
            else // Page was already locked; increase counter
            {
@@ -78,7 +78,7 @@ public:
    // For all pages in affected range, decrease lock count
    void UnlockRange(void *p, size_t size)
    {
-        boost::mutex::scoped_lock lock(mutex);
+        std::lock_guard<std::mutex> lock(mutex);
        if(!size) return;
        const size_t base_addr = reinterpret_cast<size_t>(p);
        const size_t start_page = base_addr & page_mask;
@@ -101,13 +101,13 @@ public:
    // Get number of locked pages for diagnostics
    int GetLockedPageCount()
    {
-        boost::mutex::scoped_lock lock(mutex);
+        std::lock_guard<std::mutex> lock(mutex);
        return histogram.size();
    }

 private:
    Locker locker;
-    boost::mutex mutex;
+    std::mutex mutex;
    size_t page_size, page_mask;
    // map of page base address to lock count
    typedef std::map<size_t,int> Histogram;
@@ -182,35 +182,36 @@ private:
 template<typename T>
 struct secure_allocator : public std::allocator<T>
 {
-    // MSVC8 default copy constructor is broken
+    // C++20 removed pointer/reference/etc. member typedefs from std::allocator
+    // and removed the 2-arg allocate(n, hint). Define what we still need
+    // directly instead of pulling from base.
    typedef std::allocator<T> base;
-    typedef typename base::size_type size_type;
-    typedef typename base::difference_type  difference_type;
-    typedef typename base::pointer pointer;
-    typedef typename base::const_pointer const_pointer;
-    typedef typename base::reference reference;
-    typedef typename base::const_reference const_reference;
-    typedef typename base::value_type value_type;
-    secure_allocator() throw() {}
-    secure_allocator(const secure_allocator& a) throw() : base(a) {}
+    typedef T              value_type;
+    typedef T*             pointer;
+    typedef const T*       const_pointer;
+    typedef T&             reference;
+    typedef const T&       const_reference;
+    typedef std::size_t    size_type;
+    typedef std::ptrdiff_t difference_type;
+    secure_allocator() noexcept {}
+    secure_allocator(const secure_allocator& a) noexcept : base(a) {}
    template <typename U>
-    secure_allocator(const secure_allocator<U>& a) throw() : base(a) {}
-    ~secure_allocator() throw() {}
+    secure_allocator(const secure_allocator<U>& a) noexcept : base(a) {}
+    ~secure_allocator() noexcept {}
    template<typename _Other> struct rebind
    { typedef secure_allocator<_Other> other; };

-    T* allocate(std::size_t n, const void *hint = 0)
+    T* allocate(std::size_t n)
    {
-        T *p;
-        p = std::allocator<T>::allocate(n, hint);
-        if (p != NULL)
+        T* p = std::allocator<T>::allocate(n);
+        if (p != nullptr)
            LockedPageManager::instance.LockRange(p, sizeof(T) * n);
        return p;
    }

    void deallocate(T* p, std::size_t n)
    {
-        if (p != NULL)
+        if (p != nullptr)
        {
            memset(p, 0, sizeof(T) * n);
            LockedPageManager::instance.UnlockRange(p, sizeof(T) * n);
@@ -226,33 +227,34 @@ struct secure_allocator : public std::allocator<T>
 template<typename T>
 struct zero_after_free_allocator : public std::allocator<T>
 {
-    // MSVC8 default copy constructor is broken
+    // C++20 removed pointer/reference/etc. member typedefs from std::allocator.
+    // Define what we still need directly instead of pulling from base.
    typedef std::allocator<T> base;
-    typedef typename base::size_type size_type;
-    typedef typename base::difference_type  difference_type;
-    typedef typename base::pointer pointer;
-    typedef typename base::const_pointer const_pointer;
-    typedef typename base::reference reference;
-    typedef typename base::const_reference const_reference;
-    typedef typename base::value_type value_type;
-    zero_after_free_allocator() throw() {}
-    zero_after_free_allocator(const zero_after_free_allocator& a) throw() : base(a) {}
+    typedef T              value_type;
+    typedef T*             pointer;
+    typedef const T*       const_pointer;
+    typedef T&             reference;
+    typedef const T&       const_reference;
+    typedef std::size_t    size_type;
+    typedef std::ptrdiff_t difference_type;
+    zero_after_free_allocator() noexcept {}
+    zero_after_free_allocator(const zero_after_free_allocator& a) noexcept : base(a) {}
    template <typename U>
-    zero_after_free_allocator(const zero_after_free_allocator<U>& a) throw() : base(a) {}
-    ~zero_after_free_allocator() throw() {}
+    zero_after_free_allocator(const zero_after_free_allocator<U>& a) noexcept : base(a) {}
+    ~zero_after_free_allocator() noexcept {}
    template<typename _Other> struct rebind
    { typedef zero_after_free_allocator<_Other> other; };

    void deallocate(T* p, std::size_t n)
    {
-        if (p != NULL)
+        if (p != nullptr)
            memset(p, 0, sizeof(T) * n);
        std::allocator<T>::deallocate(p, n);
    }
 };

 // This is exactly like std::string, but with a custom allocator.
-typedef std::basic_string<char, std::char_traits<char>, secure_allocator<char> > SecureString;
+using SecureString = std::basic_string<char, std::char_traits<char>, secure_allocator<char>>;

 static inline SecureString MakeSecureString(const std::string& value)
 {
@@ -11,7 +11,9 @@
 #include "version.h"

 #include <openssl/bn.h>
+#include <openssl/opensslv.h>

+#include <algorithm>
 #include <stdexcept>
 #include <vector>

@@ -36,20 +38,20 @@ public:
    CAutoBN_CTX()
    {
        pctx = BN_CTX_new();
-        if (pctx == NULL)
+        if (pctx == nullptr)
            throw bignum_error("CAutoBN_CTX : BN_CTX_new() returned NULL");
    }

    ~CAutoBN_CTX()
    {
-        if (pctx != NULL)
+        if (pctx != nullptr)
            BN_CTX_free(pctx);
    }

    operator BN_CTX*() { return pctx; }
    BN_CTX& operator*() { return *pctx; }
    BN_CTX** operator&() { return &pctx; }
-    bool operator!() { return (pctx == NULL); }
+    bool operator!() { return (pctx == nullptr); }
 };


@@ -63,14 +65,14 @@ public:
    CBigNum()
    {
        pbn = BN_new();
-        if (pbn == NULL)
+        if (pbn == nullptr)
            throw bignum_error("CBigNum::CBigNum() : BN_new() returned NULL");
    }

    CBigNum(const CBigNum& b)
    {
        pbn = BN_new();
-        if (pbn == NULL)
+        if (pbn == nullptr)
            throw bignum_error("CBigNum::CBigNum(const CBigNum&) : BN_new() returned NULL");
        if (!BN_copy(pbn, b.pbn))
        {
@@ -88,7 +90,7 @@ public:

    ~CBigNum()
    {
-        if (pbn != NULL)
+        if (pbn != nullptr)
            BN_clear_free(pbn);
    }

@@ -219,7 +221,7 @@ public:

    uint64_t getuint64()
    {
-        unsigned int nSize = BN_bn2mpi(pbn, NULL);
+        unsigned int nSize = BN_bn2mpi(pbn, nullptr);
        if (nSize < 4)
            return 0;
        std::vector<unsigned char> vch(nSize);
@@ -289,7 +291,7 @@ public:

    uint256 getuint256() const
    {
-        unsigned int nSize = BN_bn2mpi(pbn, NULL);
+        unsigned int nSize = BN_bn2mpi(pbn, nullptr);
        if (nSize < 4)
            return 0;
        std::vector<unsigned char> vch(nSize);
@@ -320,7 +322,7 @@ public:

    std::vector<unsigned char> getvch() const
    {
-        unsigned int nSize = BN_bn2mpi(pbn, NULL);
+        unsigned int nSize = BN_bn2mpi(pbn, nullptr);
        if (nSize <= 4)
            return std::vector<unsigned char>();
        std::vector<unsigned char> vch(nSize);
@@ -344,7 +346,7 @@ public:

    unsigned int GetCompact() const
    {
-        unsigned int nSize = BN_bn2mpi(pbn, NULL);
+        unsigned int nSize = BN_bn2mpi(pbn, nullptr);
        std::vector<unsigned char> vch(nSize);
        nSize -= 4;
        BN_bn2mpi(pbn, &vch[0]);
@@ -373,7 +375,7 @@ public:
            psz++;

        // hex string to bignum
-        static const signed char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 };
+        static constexpr signed char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 };
        *this = 0;
        while (isxdigit(*psz))
        {
@@ -514,7 +516,7 @@ public:
     */
    static CBigNum generatePrime(const unsigned int numBits, bool safe = false) {
        CBigNum ret;
-        if(!BN_generate_prime_ex(ret.pbn, numBits, (safe == true), NULL, NULL, NULL))
+        if(!BN_generate_prime_ex(ret.pbn, numBits, (safe == true), nullptr, nullptr, nullptr))
            throw bignum_error("CBigNum::generatePrime*= :BN_generate_prime_ex");
        return ret;
    }
@@ -540,7 +542,14 @@ public:
    */
    bool isPrime(const int checks=BN_prime_checks) const {
        CAutoBN_CTX pctx;
-        int ret = BN_is_prime_ex(pbn, checks, pctx, NULL);
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+        int ret = BN_is_prime_ex(pbn, checks, pctx, nullptr);
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+#pragma GCC diagnostic pop
+#endif
        if(ret < 0){
            throw bignum_error("CBigNum::isPrime :BN_is_prime_ex");
        }
@@ -705,7 +714,7 @@ inline const CBigNum operator/(const CBigNum& a, const CBigNum& b)
 {
    CAutoBN_CTX pctx;
    CBigNum r;
-    if (!BN_div(r.pbn, NULL, a.pbn, b.pbn, pctx))
+    if (!BN_div(r.pbn, nullptr, a.pbn, b.pbn, pctx))
        throw bignum_error("CBigNum::operator/ : BN_div failed");
    return r;
 }
@@ -0,0 +1,263 @@
+// BIP39 English wordlist (2048 words, canonical). Auto-generated; do not edit.
+#ifndef TRIANGLES_BIP39_ENGLISH_H
+#define TRIANGLES_BIP39_ENGLISH_H
+static const char* const BIP39_WORDLIST_EN[2048] = {
+"abandon","ability","able","about","above","absent","absorb","abstract",
+"absurd","abuse","access","accident","account","accuse","achieve","acid",
+"acoustic","acquire","across","act","action","actor","actress","actual",
+"adapt","add","addict","address","adjust","admit","adult","advance",
+"advice","aerobic","affair","afford","afraid","again","age","agent",
+"agree","ahead","aim","air","airport","aisle","alarm","album",
+"alcohol","alert","alien","all","alley","allow","almost","alone",
+"alpha","already","also","alter","always","amateur","amazing","among",
+"amount","amused","analyst","anchor","ancient","anger","angle","angry",
+"animal","ankle","announce","annual","another","answer","antenna","antique",
+"anxiety","any","apart","apology","appear","apple","approve","april",
+"arch","arctic","area","arena","argue","arm","armed","armor",
+"army","around","arrange","arrest","arrive","arrow","art","artefact",
+"artist","artwork","ask","aspect","assault","asset","assist","assume",
+"asthma","athlete","atom","attack","attend","attitude","attract","auction",
+"audit","august","aunt","author","auto","autumn","average","avocado",
+"avoid","awake","aware","away","awesome","awful","awkward","axis",
+"baby","bachelor","bacon","badge","bag","balance","balcony","ball",
+"bamboo","banana","banner","bar","barely","bargain","barrel","base",
+"basic","basket","battle","beach","bean","beauty","because","become",
+"beef","before","begin","behave","behind","believe","below","belt",
+"bench","benefit","best","betray","better","between","beyond","bicycle",
+"bid","bike","bind","biology","bird","birth","bitter","black",
+"blade","blame","blanket","blast","bleak","bless","blind","blood",
+"blossom","blouse","blue","blur","blush","board","boat","body",
+"boil","bomb","bone","bonus","book","boost","border","boring",
+"borrow","boss","bottom","bounce","box","boy","bracket","brain",
+"brand","brass","brave","bread","breeze","brick","bridge","brief",
+"bright","bring","brisk","broccoli","broken","bronze","broom","brother",
+"brown","brush","bubble","buddy","budget","buffalo","build","bulb",
+"bulk","bullet","bundle","bunker","burden","burger","burst","bus",
+"business","busy","butter","buyer","buzz","cabbage","cabin","cable",
+"cactus","cage","cake","call","calm","camera","camp","can",
+"canal","cancel","candy","cannon","canoe","canvas","canyon","capable",
+"capital","captain","car","carbon","card","cargo","carpet","carry",
+"cart","case","cash","casino","castle","casual","cat","catalog",
+"catch","category","cattle","caught","cause","caution","cave","ceiling",
+"celery","cement","census","century","cereal","certain","chair","chalk",
+"champion","change","chaos","chapter","charge","chase","chat","cheap",
+"check","cheese","chef","cherry","chest","chicken","chief","child",
+"chimney","choice","choose","chronic","chuckle","chunk","churn","cigar",
+"cinnamon","circle","citizen","city","civil","claim","clap","clarify",
+"claw","clay","clean","clerk","clever","click","client","cliff",
+"climb","clinic","clip","clock","clog","close","cloth","cloud",
+"clown","club","clump","cluster","clutch","coach","coast","coconut",
+"code","coffee","coil","coin","collect","color","column","combine",
+"come","comfort","comic","common","company","concert","conduct","confirm",
+"congress","connect","consider","control","convince","cook","cool","copper",
+"copy","coral","core","corn","correct","cost","cotton","couch",
+"country","couple","course","cousin","cover","coyote","crack","cradle",
+"craft","cram","crane","crash","crater","crawl","crazy","cream",
+"credit","creek","crew","cricket","crime","crisp","critic","crop",
+"cross","crouch","crowd","crucial","cruel","cruise","crumble","crunch",
+"crush","cry","crystal","cube","culture","cup","cupboard","curious",
+"current","curtain","curve","cushion","custom","cute","cycle","dad",
+"damage","damp","dance","danger","daring","dash","daughter","dawn",
+"day","deal","debate","debris","decade","december","decide","decline",
+"decorate","decrease","deer","defense","define","defy","degree","delay",
+"deliver","demand","demise","denial","dentist","deny","depart","depend",
+"deposit","depth","deputy","derive","describe","desert","design","desk",
+"despair","destroy","detail","detect","develop","device","devote","diagram",
+"dial","diamond","diary","dice","diesel","diet","differ","digital",
+"dignity","dilemma","dinner","dinosaur","direct","dirt","disagree","discover",
+"disease","dish","dismiss","disorder","display","distance","divert","divide",
+"divorce","dizzy","doctor","document","dog","doll","dolphin","domain",
+"donate","donkey","donor","door","dose","double","dove","draft",
+"dragon","drama","drastic","draw","dream","dress","drift","drill",
+"drink","drip","drive","drop","drum","dry","duck","dumb",
+"dune","during","dust","dutch","duty","dwarf","dynamic","eager",
+"eagle","early","earn","earth","easily","east","easy","echo",
+"ecology","economy","edge","edit","educate","effort","egg","eight",
+"either","elbow","elder","electric","elegant","element","elephant","elevator",
+"elite","else","embark","embody","embrace","emerge","emotion","employ",
+"empower","empty","enable","enact","end","endless","endorse","enemy",
+"energy","enforce","engage","engine","enhance","enjoy","enlist","enough",
+"enrich","enroll","ensure","enter","entire","entry","envelope","episode",
+"equal","equip","era","erase","erode","erosion","error","erupt",
+"escape","essay","essence","estate","eternal","ethics","evidence","evil",
+"evoke","evolve","exact","example","excess","exchange","excite","exclude",
+"excuse","execute","exercise","exhaust","exhibit","exile","exist","exit",
+"exotic","expand","expect","expire","explain","expose","express","extend",
+"extra","eye","eyebrow","fabric","face","faculty","fade","faint",
+"faith","fall","false","fame","family","famous","fan","fancy",
+"fantasy","farm","fashion","fat","fatal","father","fatigue","fault",
+"favorite","feature","february","federal","fee","feed","feel","female",
+"fence","festival","fetch","fever","few","fiber","fiction","field",
+"figure","file","film","filter","final","find","fine","finger",
+"finish","fire","firm","first","fiscal","fish","fit","fitness",
+"fix","flag","flame","flash","flat","flavor","flee","flight",
+"flip","float","flock","floor","flower","fluid","flush","fly",
+"foam","focus","fog","foil","fold","follow","food","foot",
+"force","forest","forget","fork","fortune","forum","forward","fossil",
+"foster","found","fox","fragile","frame","frequent","fresh","friend",
+"fringe","frog","front","frost","frown","frozen","fruit","fuel",
+"fun","funny","furnace","fury","future","gadget","gain","galaxy",
+"gallery","game","gap","garage","garbage","garden","garlic","garment",
+"gas","gasp","gate","gather","gauge","gaze","general","genius",
+"genre","gentle","genuine","gesture","ghost","giant","gift","giggle",
+"ginger","giraffe","girl","give","glad","glance","glare","glass",
+"glide","glimpse","globe","gloom","glory","glove","glow","glue",
+"goat","goddess","gold","good","goose","gorilla","gospel","gossip",
+"govern","gown","grab","grace","grain","grant","grape","grass",
+"gravity","great","green","grid","grief","grit","grocery","group",
+"grow","grunt","guard","guess","guide","guilt","guitar","gun",
+"gym","habit","hair","half","hammer","hamster","hand","happy",
+"harbor","hard","harsh","harvest","hat","have","hawk","hazard",
+"head","health","heart","heavy","hedgehog","height","hello","helmet",
+"help","hen","hero","hidden","high","hill","hint","hip",
+"hire","history","hobby","hockey","hold","hole","holiday","hollow",
+"home","honey","hood","hope","horn","horror","horse","hospital",
+"host","hotel","hour","hover","hub","huge","human","humble",
+"humor","hundred","hungry","hunt","hurdle","hurry","hurt","husband",
+"hybrid","ice","icon","idea","identify","idle","ignore","ill",
+"illegal","illness","image","imitate","immense","immune","impact","impose",
+"improve","impulse","inch","include","income","increase","index","indicate",
+"indoor","industry","infant","inflict","inform","inhale","inherit","initial",
+"inject","injury","inmate","inner","innocent","input","inquiry","insane",
+"insect","inside","inspire","install","intact","interest","into","invest",
+"invite","involve","iron","island","isolate","issue","item","ivory",
+"jacket","jaguar","jar","jazz","jealous","jeans","jelly","jewel",
+"job","join","joke","journey","joy","judge","juice","jump",
+"jungle","junior","junk","just","kangaroo","keen","keep","ketchup",
+"key","kick","kid","kidney","kind","kingdom","kiss","kit",
+"kitchen","kite","kitten","kiwi","knee","knife","knock","know",
+"lab","label","labor","ladder","lady","lake","lamp","language",
+"laptop","large","later","latin","laugh","laundry","lava","law",
+"lawn","lawsuit","layer","lazy","leader","leaf","learn","leave",
+"lecture","left","leg","legal","legend","leisure","lemon","lend",
+"length","lens","leopard","lesson","letter","level","liar","liberty",
+"library","license","life","lift","light","like","limb","limit",
+"link","lion","liquid","list","little","live","lizard","load",
+"loan","lobster","local","lock","logic","lonely","long","loop",
+"lottery","loud","lounge","love","loyal","lucky","luggage","lumber",
+"lunar","lunch","luxury","lyrics","machine","mad","magic","magnet",
+"maid","mail","main","major","make","mammal","man","manage",
+"mandate","mango","mansion","manual","maple","marble","march","margin",
+"marine","market","marriage","mask","mass","master","match","material",
+"math","matrix","matter","maximum","maze","meadow","mean","measure",
+"meat","mechanic","medal","media","melody","melt","member","memory",
+"mention","menu","mercy","merge","merit","merry","mesh","message",
+"metal","method","middle","midnight","milk","million","mimic","mind",
+"minimum","minor","minute","miracle","mirror","misery","miss","mistake",
+"mix","mixed","mixture","mobile","model","modify","mom","moment",
+"monitor","monkey","monster","month","moon","moral","more","morning",
+"mosquito","mother","motion","motor","mountain","mouse","move","movie",
+"much","muffin","mule","multiply","muscle","museum","mushroom","music",
+"must","mutual","myself","mystery","myth","naive","name","napkin",
+"narrow","nasty","nation","nature","near","neck","need","negative",
+"neglect","neither","nephew","nerve","nest","net","network","neutral",
+"never","news","next","nice","night","noble","noise","nominee",
+"noodle","normal","north","nose","notable","note","nothing","notice",
+"novel","now","nuclear","number","nurse","nut","oak","obey",
+"object","oblige","obscure","observe","obtain","obvious","occur","ocean",
+"october","odor","off","offer","office","often","oil","okay",
+"old","olive","olympic","omit","once","one","onion","online",
+"only","open","opera","opinion","oppose","option","orange","orbit",
+"orchard","order","ordinary","organ","orient","original","orphan","ostrich",
+"other","outdoor","outer","output","outside","oval","oven","over",
+"own","owner","oxygen","oyster","ozone","pact","paddle","page",
+"pair","palace","palm","panda","panel","panic","panther","paper",
+"parade","parent","park","parrot","party","pass","patch","path",
+"patient","patrol","pattern","pause","pave","payment","peace","peanut",
+"pear","peasant","pelican","pen","penalty","pencil","people","pepper",
+"perfect","permit","person","pet","phone","photo","phrase","physical",
+"piano","picnic","picture","piece","pig","pigeon","pill","pilot",
+"pink","pioneer","pipe","pistol","pitch","pizza","place","planet",
+"plastic","plate","play","please","pledge","pluck","plug","plunge",
+"poem","poet","point","polar","pole","police","pond","pony",
+"pool","popular","portion","position","possible","post","potato","pottery",
+"poverty","powder","power","practice","praise","predict","prefer","prepare",
+"present","pretty","prevent","price","pride","primary","print","priority",
+"prison","private","prize","problem","process","produce","profit","program",
+"project","promote","proof","property","prosper","protect","proud","provide",
+"public","pudding","pull","pulp","pulse","pumpkin","punch","pupil",
+"puppy","purchase","purity","purpose","purse","push","put","puzzle",
+"pyramid","quality","quantum","quarter","question","quick","quit","quiz",
+"quote","rabbit","raccoon","race","rack","radar","radio","rail",
+"rain","raise","rally","ramp","ranch","random","range","rapid",
+"rare","rate","rather","raven","raw","razor","ready","real",
+"reason","rebel","rebuild","recall","receive","recipe","record","recycle",
+"reduce","reflect","reform","refuse","region","regret","regular","reject",
+"relax","release","relief","rely","remain","remember","remind","remove",
+"render","renew","rent","reopen","repair","repeat","replace","report",
+"require","rescue","resemble","resist","resource","response","result","retire",
+"retreat","return","reunion","reveal","review","reward","rhythm","rib",
+"ribbon","rice","rich","ride","ridge","rifle","right","rigid",
+"ring","riot","ripple","risk","ritual","rival","river","road",
+"roast","robot","robust","rocket","romance","roof","rookie","room",
+"rose","rotate","rough","round","route","royal","rubber","rude",
+"rug","rule","run","runway","rural","sad","saddle","sadness",
+"safe","sail","salad","salmon","salon","salt","salute","same",
+"sample","sand","satisfy","satoshi","sauce","sausage","save","say",
+"scale","scan","scare","scatter","scene","scheme","school","science",
+"scissors","scorpion","scout","scrap","screen","script","scrub","sea",
+"search","season","seat","second","secret","section","security","seed",
+"seek","segment","select","sell","seminar","senior","sense","sentence",
+"series","service","session","settle","setup","seven","shadow","shaft",
+"shallow","share","shed","shell","sheriff","shield","shift","shine",
+"ship","shiver","shock","shoe","shoot","shop","short","shoulder",
+"shove","shrimp","shrug","shuffle","shy","sibling","sick","side",
+"siege","sight","sign","silent","silk","silly","silver","similar",
+"simple","since","sing","siren","sister","situate","six","size",
+"skate","sketch","ski","skill","skin","skirt","skull","slab",
+"slam","sleep","slender","slice","slide","slight","slim","slogan",
+"slot","slow","slush","small","smart","smile","smoke","smooth",
+"snack","snake","snap","sniff","snow","soap","soccer","social",
+"sock","soda","soft","solar","soldier","solid","solution","solve",
+"someone","song","soon","sorry","sort","soul","sound","soup",
+"source","south","space","spare","spatial","spawn","speak","special",
+"speed","spell","spend","sphere","spice","spider","spike","spin",
+"spirit","split","spoil","sponsor","spoon","sport","spot","spray",
+"spread","spring","spy","square","squeeze","squirrel","stable","stadium",
+"staff","stage","stairs","stamp","stand","start","state","stay",
+"steak","steel","stem","step","stereo","stick","still","sting",
+"stock","stomach","stone","stool","story","stove","strategy","street",
+"strike","strong","struggle","student","stuff","stumble","style","subject",
+"submit","subway","success","such","sudden","suffer","sugar","suggest",
+"suit","summer","sun","sunny","sunset","super","supply","supreme",
+"sure","surface","surge","surprise","surround","survey","suspect","sustain",
+"swallow","swamp","swap","swarm","swear","sweet","swift","swim",
+"swing","switch","sword","symbol","symptom","syrup","system","table",
+"tackle","tag","tail","talent","talk","tank","tape","target",
+"task","taste","tattoo","taxi","teach","team","tell","ten",
+"tenant","tennis","tent","term","test","text","thank","that",
+"theme","then","theory","there","they","thing","this","thought",
+"three","thrive","throw","thumb","thunder","ticket","tide","tiger",
+"tilt","timber","time","tiny","tip","tired","tissue","title",
+"toast","tobacco","today","toddler","toe","together","toilet","token",
+"tomato","tomorrow","tone","tongue","tonight","tool","tooth","top",
+"topic","topple","torch","tornado","tortoise","toss","total","tourist",
+"toward","tower","town","toy","track","trade","traffic","tragic",
+"train","transfer","trap","trash","travel","tray","treat","tree",
+"trend","trial","tribe","trick","trigger","trim","trip","trophy",
+"trouble","truck","true","truly","trumpet","trust","truth","try",
+"tube","tuition","tumble","tuna","tunnel","turkey","turn","turtle",
+"twelve","twenty","twice","twin","twist","two","type","typical",
+"ugly","umbrella","unable","unaware","uncle","uncover","under","undo",
+"unfair","unfold","unhappy","uniform","unique","unit","universe","unknown",
+"unlock","until","unusual","unveil","update","upgrade","uphold","upon",
+"upper","upset","urban","urge","usage","use","used","useful",
+"useless","usual","utility","vacant","vacuum","vague","valid","valley",
+"valve","van","vanish","vapor","various","vast","vault","vehicle",
+"velvet","vendor","venture","venue","verb","verify","version","very",
+"vessel","veteran","viable","vibrant","vicious","victory","video","view",
+"village","vintage","violin","virtual","virus","visa","visit","visual",
+"vital","vivid","vocal","voice","void","volcano","volume","vote",
+"voyage","wage","wagon","wait","walk","wall","walnut","want",
+"warfare","warm","warrior","wash","wasp","waste","water","wave",
+"way","wealth","weapon","wear","weasel","weather","web","wedding",
+"weekend","weird","welcome","west","wet","whale","what","wheat",
+"wheel","when","where","whip","whisper","wide","width","wife",
+"wild","will","win","window","wine","wing","wink","winner",
+"winter","wire","wisdom","wise","wish","witness","wolf","woman",
+"wonder","wood","wool","word","work","world","worry","worth",
+"wrap","wreck","wrestle","wrist","write","wrong","yard","year",
+"yellow","you","young","youth","zebra","zero","zone","zoo",
+
+};
+#endif
@@ -7,13 +7,12 @@
 #include <string>
 #include <vector>
 #include <functional>
-#include <boost/filesystem.hpp>
+#include <filesystem>

 namespace Bootstrap {

    // Bootstrap server configuration
    static const char* DEFAULT_HOST = "bootstrap.cryptographic-triangles.org";
-    static const char* FALLBACK_HOST = "194.233.88.206";
    static const char* BASE_PATH = "/";
    static const int PORT = 80;

@@ -21,23 +20,29 @@ namespace Bootstrap {
    typedef std::function<void(int64_t, int64_t)> ProgressCallback;

    // Check if data dir already has blockchain data
-    bool NeedsBootstrap(const boost::filesystem::path& dataDir);
+    bool NeedsBootstrap(const std::filesystem::path& dataDir);

-    // Download a single file via HTTP GET, write to destPath
+    // Download a single file via HTTP GET, write to destPath.
+    // If noProxy is true, bypass Tor SOCKS proxy and connect directly
+    // (used for clearnet bootstrap downloads).
+    // If portOverride is set (>0), uses that port instead of the default PORT.
    bool DownloadFile(const std::string& host, const std::string& urlPath,
-                      const boost::filesystem::path& destPath,
+                      const std::filesystem::path& destPath,
                      ProgressCallback progressFn,
-                      std::string& strError);
+                      std::string& strError,
+                      bool noProxy = false,
+                      int portOverride = -1);

    // Fetch the file manifest (list of relative paths to download)
    bool FetchFileList(const std::string& host,
                       std::vector<std::string>& files,
-                       std::string& strError);
+                       std::string& strError,
+                       bool noProxy = false);

    // Download bootstrap.tar.gz and extract to dataDir.
    // Falls back to filelist.txt + individual file download if tar.gz unavailable.
    bool DownloadBootstrap(const std::string& host,
-                           const boost::filesystem::path& dataDir,
+                           const std::filesystem::path& dataDir,
                           ProgressCallback progressFn,
                           std::string& strError);

@@ -48,10 +53,11 @@ namespace Bootstrap {
        int height;            // block height of the snapshot tip
        std::string hash;      // block hash at that height (hex, no 0x prefix)
        int dbversion;         // DATABASE_VERSION the txleveldb was built with
+        std::string signature; // Ed25519 signature of (height || hash), hex-encoded (empty if unsigned)
    };

    // Parse a snapshot.manifest file into a SnapshotManifest struct.
-    bool ParseManifest(const boost::filesystem::path& manifestPath,
+    bool ParseManifest(const std::filesystem::path& manifestPath,
                       SnapshotManifest& manifest,
                       std::string& strError);

@@ -59,6 +65,14 @@ namespace Bootstrap {
    bool VerifyManifest(const SnapshotManifest& manifest,
                        std::string& strError);

+    // Download a UTXO snapshot and load it into a fresh txleveldb.
+    // This is much faster than downloading the full bootstrap archive.
+    // Returns true if snapshot was downloaded and loaded successfully.
+    bool DownloadUtxoSnapshot(const std::string& host,
+                              const std::filesystem::path& dataDir,
+                              ProgressCallback progressFn,
+                              std::string& strError);
+
 } // namespace Bootstrap

 #endif // TRIANGLES_BOOTSTRAP_H
@@ -0,0 +1,198 @@
+// Copyright (c) 2026 The Triangles developers.
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "chaindb_migrate.h"
+
+#include "txdb-leveldb.h"
+#include "txdb-rocksdb.h"
+#include "util.h"
+
+#include <filesystem>
+#include <fstream>
+#include <memory>
+
+namespace fs = std::filesystem;
+
+namespace {
+
+struct ChainDbStats
+{
+    int64_t nRecords = 0;
+    int64_t nUtxos = 0;
+    int64_t nUtxoValue = 0;
+    uint256 hashBestChain = 0;
+    int nDbFormat = 0;
+};
+
+bool CollectStats(CTxDBBase& db, ChainDbStats& stats, std::string& strError)
+{
+    stats = ChainDbStats();
+
+    auto it = db.NewIterator();
+    for (it->Seek(std::string()); it->Valid(); it->Next())
+        stats.nRecords++;
+
+    int nUtxos = 0;
+    stats.nUtxoValue = db.SumUtxoValues(nUtxos);
+    stats.nUtxos = nUtxos;
+    db.ReadHashBestChain(stats.hashBestChain);
+    db.ReadDbFormat(stats.nDbFormat);
+
+    if (stats.nRecords <= 0) {
+        strError = "source chain database contains no records";
+        return false;
+    }
+    return true;
+}
+
+bool StatsMatch(const ChainDbStats& src, const ChainDbStats& dst, std::string& strError)
+{
+    if (src.nRecords != dst.nRecords) {
+        strError = strprintf("record count mismatch after migration: source=%lld rocksdb=%lld",
+                             (long long)src.nRecords, (long long)dst.nRecords);
+        return false;
+    }
+    if (src.nUtxos != dst.nUtxos || src.nUtxoValue != dst.nUtxoValue) {
+        strError = strprintf("UTXO mismatch after migration: source=(%lld,%lld) rocksdb=(%lld,%lld)",
+                             (long long)src.nUtxos, (long long)src.nUtxoValue,
+                             (long long)dst.nUtxos, (long long)dst.nUtxoValue);
+        return false;
+    }
+    if (src.hashBestChain != dst.hashBestChain) {
+        strError = strprintf("best-chain hash mismatch after migration: source=%s rocksdb=%s",
+                             src.hashBestChain.ToString().c_str(),
+                             dst.hashBestChain.ToString().c_str());
+        return false;
+    }
+    if (src.nDbFormat != dst.nDbFormat) {
+        strError = strprintf("dbformat mismatch after migration: source=%d rocksdb=%d",
+                             src.nDbFormat, dst.nDbFormat);
+        return false;
+    }
+    return true;
+}
+
+} // namespace
+
+bool MaybeMigrateLevelDbToRocksDb(bool fForce, std::string& strError)
+{
+    strError.clear();
+
+    const fs::path dataDir = GetDataDir();
+    const fs::path levelPath = dataDir / "txleveldb";
+    const fs::path rocksPath = dataDir / "rocksdb";
+    const fs::path markerPath = rocksPath / "MIGRATION_INCOMPLETE";
+
+    if (!fs::exists(levelPath))
+        return true;
+
+    if (fs::exists(rocksPath)) {
+        if (fs::exists(markerPath)) {
+            printf("ChainDB migration: removing incomplete previous RocksDB migration\n");
+            fs::remove_all(rocksPath);
+        }
+        else if (!fForce)
+            return true;
+        else {
+            printf("ChainDB migration: removing existing RocksDB directory due to -migratechaindbforce\n");
+            fs::remove_all(rocksPath);
+        }
+    }
+
+    printf("ChainDB migration: copying LevelDB chain state to RocksDB...\n");
+    printf("ChainDB migration: source=%s destination=%s\n",
+           levelPath.string().c_str(), rocksPath.string().c_str());
+
+    try {
+        fs::create_directories(rocksPath);
+        {
+            std::ofstream marker(markerPath);
+            marker << "RocksDB migration in progress. Safe to delete this directory and retry.\n";
+        }
+
+        CTxDB source("r");
+        CRocksTxDB destination("c+");
+
+        ChainDbStats srcStats;
+        if (!CollectStats(source, srcStats, strError)) {
+            source.Close();
+            destination.Close();
+            return false;
+        }
+
+        if (!destination.TxnBegin()) {
+            strError = "failed to begin RocksDB migration batch";
+            source.Close();
+            destination.Close();
+            return false;
+        }
+
+        int64_t nCopied = 0;
+        auto it = source.NewIterator();
+        for (it->Seek(std::string()); it->Valid(); it->Next())
+        {
+            if (!destination.WriteRawRecordForMigration(it->KeyStr(), it->ValueStr())) {
+                destination.TxnAbort();
+                strError = "failed to write migrated record to RocksDB";
+                source.Close();
+                destination.Close();
+                return false;
+            }
+
+            if (++nCopied % 100000 == 0)
+            {
+                if (!destination.TxnCommit()) {
+                    strError = "failed to commit RocksDB migration batch";
+                    source.Close();
+                    destination.Close();
+                    return false;
+                }
+                printf("ChainDB migration: copied %lld / %lld records\n",
+                       (long long)nCopied, (long long)srcStats.nRecords);
+                if (!destination.TxnBegin()) {
+                    strError = "failed to begin RocksDB migration batch";
+                    source.Close();
+                    destination.Close();
+                    return false;
+                }
+            }
+        }
+
+        if (!destination.TxnCommit()) {
+            strError = "failed to commit final RocksDB migration batch";
+            source.Close();
+            destination.Close();
+            return false;
+        }
+
+        ChainDbStats dstStats;
+        if (!CollectStats(destination, dstStats, strError)) {
+            source.Close();
+            destination.Close();
+            return false;
+        }
+        if (!StatsMatch(srcStats, dstStats, strError)) {
+            source.Close();
+            destination.Close();
+            return false;
+        }
+
+        printf("ChainDB migration: verified %lld records, %lld UTXOs, best=%s\n",
+               (long long)dstStats.nRecords,
+               (long long)dstStats.nUtxos,
+               dstStats.hashBestChain.ToString().substr(0,20).c_str());
+
+        source.Close();
+        destination.Close();
+        fs::remove(markerPath);
+    }
+    catch (std::exception& e) {
+        strError = e.what();
+        return false;
+    }
+
+    printf("ChainDB migration: complete. Legacy LevelDB was left untouched at %s\n",
+           levelPath.string().c_str());
+    return true;
+}
@@ -0,0 +1,14 @@
+// Copyright (c) 2026 The Triangles developers.
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#ifndef TRIANGLES_CHAINDB_MIGRATE_H
+#define TRIANGLES_CHAINDB_MIGRATE_H
+
+#include <string>
+
+// Migrate legacy LevelDB chain state from <datadir>/txleveldb to RocksDB in
+// <datadir>/rocksdb. The source is never modified. Returns true when migration
+// succeeds or when there is nothing to migrate.
+bool MaybeMigrateLevelDbToRocksDb(bool fForce, std::string& strError);
+
+#endif // TRIANGLES_CHAINDB_MIGRATE_H
@@ -0,0 +1,473 @@
+// Copyright (c) 2026 The Triangles developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+//
+// Signed Checkpoint Publisher (Triangles v5.9.24) — implementation.
+//
+// See checkpointpublisher.h for the design. This file holds:
+//   - The in-memory signed-checkpoint cache (a CCriticalSection-guarded
+//     std::map keyed by height; values are block hashes)
+//   - The canonical serialization used by both producer and consumer
+//   - The JSON parsing/building helpers (small subset, no third-party deps)
+//   - The trusted signers list (mirrors IsTrustedSnapshotSigner)
+
+#include "checkpointpublisher.h"
+
+#include <algorithm>
+#include <cstdio>
+#include <map>
+#include <set>
+#include <sstream>
+#include <vector>
+
+#include "sync.h"
+#include "util.h"
+#include "base58.h"
+#include "key.h"
+#include "serialize.h"
+#include "net.h"          // for CCriticalSection
+#include "main.h"         // for strMessageMagic
+#include "bootstrap.h"    // for Bootstrap::DownloadFile
+
+namespace Checkpoints {
+
+// ============================================================================
+// Trusted signers
+// ============================================================================
+//
+// Mirrors Bootstrap::TRUSTED_SNAPSHOT_SIGNERS but kept SEPARATE so the two
+// lists can be managed independently. The default trust list contains the
+// project operator's address. Operators can extend via a future -trustedcheckpointsigner
+// conf option (not yet implemented — see Phase 2 in checkpointpublisher.h).
+static const char* TRUSTED_CHECKPOINT_SIGNERS[] = {
+    "TG8f76yktTxDrT7JJymY3wVAusXiD3fVvX",  // Sami's wallet (DNS2 default)
+};
+static const size_t NUM_TRUSTED_CHECKPOINT_SIGNERS =
+    sizeof(TRUSTED_CHECKPOINT_SIGNERS) / sizeof(TRUSTED_CHECKPOINT_SIGNERS[0]);
+
+bool IsTrustedCheckpointSigner(const std::string& addr)
+{
+    for (size_t i = 0; i < NUM_TRUSTED_CHECKPOINT_SIGNERS; ++i) {
+        if (addr == TRUSTED_CHECKPOINT_SIGNERS[i]) return true;
+    }
+    return false;
+}
+
+// ============================================================================
+// In-memory cache of loaded signed checkpoints
+// ============================================================================
+//
+// Guarded by a single CCriticalSection. The cache is small (a few thousand
+// entries max — operator publishes one every N=5000 blocks, so for a 2.2M
+// chain that's ~440 entries per active signer). Lookup is O(log n).
+static CCriticalSection cs_signedCheckpoints;
+static std::map<int, std::string> mapSignedCheckpoints;
+
+bool IsKnownSignedCheckpoint(int nHeight, const std::string& hashHex)
+{
+    LOCK(cs_signedCheckpoints);
+    auto it = mapSignedCheckpoints.find(nHeight);
+    if (it == mapSignedCheckpoints.end()) return false;
+    // case-insensitive compare — JSON parsers sometimes downcase hex
+    if (it->second.size() != hashHex.size()) return false;
+    for (size_t i = 0; i < it->second.size(); i++) {
+        if (std::tolower(static_cast<unsigned char>(it->second[i])) !=
+            std::tolower(static_cast<unsigned char>(hashHex[i]))) {
+            return false;
+        }
+    }
+    return true;
+}
+
+void AddSignedCheckpoints(const std::vector<SignedCheckpoint>& entries)
+{
+    LOCK(cs_signedCheckpoints);
+    for (const auto& e : entries) {
+        // Don't overwrite compiled-in mapCheckpoints — that gate runs FIRST
+        // in AcceptBlock. The signed set is a SUPPLEMENT, not a replacement.
+        mapSignedCheckpoints[e.nHeight] = e.hashHex;
+    }
+    printf("Checkpoints: added %lu signed-remote checkpoints to cache\n", (unsigned long)entries.size());
+}
+
+void ClearSignedCheckpoints()
+{
+    LOCK(cs_signedCheckpoints);
+    mapSignedCheckpoints.clear();
+}
+
+// ============================================================================
+// Canonical serialization — producer + consumer MUST agree on this byte sequence
+// ============================================================================
+//
+// Format: "<height1>:<hash1>:<ts1>;<height2>:<hash2>:<ts2>;..."
+//
+// Properties:
+//   - Entries in DESCENDING order (tip first)
+//   - Lowercase hex, no 0x prefix, no leading zeros
+//   - Timestamps are unix seconds, decimal
+//   - Field separator ':' — guaranteed not to appear in hex
+//   - Entry separator ';' — guaranteed not to appear in either
+//   - Trailing newline is NOT part of the signed payload (producers MUST NOT
+//     add one to the message before signing; consumers MUST NOT trim it off
+//     the fetched JSON's message field before verifying)
+//
+// This function is PURE — no I/O, no globals. Tested in checkpoint_tests.cpp.
+std::string SerializeEntriesForSigning(const std::vector<SignedCheckpoint>& entries)
+{
+    std::string out;
+    for (size_t i = 0; i < entries.size(); i++) {
+        if (i > 0) out += ";";
+        out += std::to_string(entries[i].nHeight);
+        out += ":";
+        out += entries[i].hashHex;
+        out += ":";
+        out += std::to_string(entries[i].nTimestamp);
+    }
+    return out;
+}
+
+// ============================================================================
+// Producer — build the JSON document
+// ============================================================================
+//
+// This is intentionally a thin wrapper: the wallet signing happens in the
+// caller (rpcwallet.cpp / daemon loop), which has the unlocked key. Here we
+// just escape + format.
+bool BuildSignedCheckpointsJson(
+    const std::vector<SignedCheckpoint>& entries,
+    const std::string& signingAddress,
+    const std::string& signatureBase64,
+    const std::string& message,
+    std::string& outJson,
+    std::string& strError)
+{
+    if (entries.empty()) {
+        strError = "BuildSignedCheckpointsJson: entries vector is empty";
+        return false;
+    }
+    if (signingAddress.empty()) {
+        strError = "BuildSignedCheckpointsJson: signingAddress is empty";
+        return false;
+    }
+    if (signatureBase64.empty()) {
+        strError = "BuildSignedCheckpointsJson: signature is empty";
+        return false;
+    }
+
+    // Sort entries DESCENDING by height — canonical form. Producers and
+    // consumers both depend on this so verification is deterministic.
+    std::vector<SignedCheckpoint> sorted = entries;
+    std::sort(sorted.begin(), sorted.end(),
+              [](const SignedCheckpoint& a, const SignedCheckpoint& b) {
+                  return a.nHeight > b.nHeight;
+              });
+
+    // Build JSON manually — no third-party deps. Format is intentionally
+    // simple (no nested objects beyond the entries array).
+    std::ostringstream oss;
+    oss << "{\n";
+    oss << "  \"format_version\": 1,\n";
+    oss << "  \"signing_address\": \"" << signingAddress << "\",\n";
+    oss << "  \"message\": \"" << message << "\",\n";
+    oss << "  \"signature\": \"" << signatureBase64 << "\",\n";
+    oss << "  \"entries\": [\n";
+    for (size_t i = 0; i < sorted.size(); i++) {
+        oss << "    {\"height\": " << sorted[i].nHeight
+            << ", \"hash\": \"" << sorted[i].hashHex << "\""
+            << ", \"timestamp\": " << sorted[i].nTimestamp << "}";
+        if (i + 1 < sorted.size()) oss << ",";
+        oss << "\n";
+    }
+    oss << "  ]\n";
+    oss << "}\n";
+
+    outJson = oss.str();
+    return true;
+}
+
+// ============================================================================
+// Consumer — verify a JSON document
+// ============================================================================
+
+// Small JSON helper — extract a top-level array of objects from the
+// "entries" field. We don't need full JSON parsing; the format is fixed.
+static std::vector<std::string> ExtractJsonObjectArray(
+    const std::string& json, const std::string& field)
+{
+    std::vector<std::string> objs;
+    std::string key = "\"" + field + "\"";
+    size_t pos = json.find(key);
+    if (pos == std::string::npos) return objs;
+    pos += key.size();
+    while (pos < json.size() && (json[pos] == ' ' || json[pos] == ':' ||
+           json[pos] == '\t' || json[pos] == '\n' || json[pos] == '\r'))
+        pos++;
+    if (pos >= json.size() || json[pos] != '[') return objs;
+    pos++;  // past '['
+    while (pos < json.size()) {
+        while (pos < json.size() && (json[pos] == ' ' || json[pos] == '\t' ||
+               json[pos] == '\n' || json[pos] == '\r' || json[pos] == ','))
+            pos++;
+        if (pos >= json.size() || json[pos] == ']') break;
+        if (json[pos] != '{') break;
+        // Find matching closing brace (shallow — no nested objects in entries)
+        int depth = 1;
+        size_t start = pos;
+        pos++;
+        while (pos < json.size() && depth > 0) {
+            if (json[pos] == '{') depth++;
+            else if (json[pos] == '}') depth--;
+            pos++;
+        }
+        if (depth != 0) break;
+        objs.push_back(json.substr(start, pos - start));
+    }
+    return objs;
+}
+
+// Extract an integer field from an entry object like:
+//   {"height": 12345, "hash": "...", "timestamp": 1700000000}
+static int ExtractJsonInt(const std::string& obj, const std::string& field)
+{
+    std::string key = "\"" + field + "\"";
+    size_t pos = obj.find(key);
+    if (pos == std::string::npos) return 0;
+    pos += key.size();
+    while (pos < obj.size() && (obj[pos] == ' ' || obj[pos] == ':' ||
+           obj[pos] == '\t')) pos++;
+    // Parse a non-negative integer
+    int n = 0;
+    bool foundAny = false;
+    while (pos < obj.size() && obj[pos] >= '0' && obj[pos] <= '9') {
+        n = n * 10 + (obj[pos] - '0');
+        pos++;
+        foundAny = true;
+    }
+    if (!foundAny) return 0;
+    return n;
+}
+
+// Extract a string field from a small JSON object — mirrors ExtractJsonString
+// in bootstrap.cpp. Duplicated here to keep checkpointpublisher.cpp standalone
+// (no link dependency on bootstrap.cpp internals).
+static std::string ExtractJsonString(const std::string& obj, const std::string& field)
+{
+    std::string key = "\"" + field + "\"";
+    size_t pos = obj.find(key);
+    if (pos == std::string::npos) return "";
+    pos += key.size();
+    while (pos < obj.size() && (obj[pos] == ' ' || obj[pos] == ':' ||
+           obj[pos] == '\t')) pos++;
+    if (pos >= obj.size() || obj[pos] != '\"') return "";
+    pos++;
+    size_t end = obj.find('\"', pos);
+    if (end == std::string::npos) return "";
+    return obj.substr(pos, end - pos);
+}
+
+bool VerifySignedCheckpoints(
+    const std::string& jsonText,
+    std::vector<SignedCheckpoint>& outEntries,
+    std::string& outSigningAddress,
+    std::string& strError)
+{
+    outEntries.clear();
+    outSigningAddress.clear();
+
+    // 1. Extract signing fields
+    outSigningAddress = ExtractJsonString(jsonText, "signing_address");
+    std::string signature = ExtractJsonString(jsonText, "signature");
+    std::string message = ExtractJsonString(jsonText, "message");
+    if (outSigningAddress.empty() || signature.empty() || message.empty()) {
+        strError = "signed-checkpoints JSON missing required top-level fields "
+                   "(signing_address/signature/message)";
+        return false;
+    }
+
+    // 2. Verify signer is trusted
+    if (!IsTrustedCheckpointSigner(outSigningAddress)) {
+        strError = "signing_address " + outSigningAddress +
+                   " is not in the trusted checkpoint signers list";
+        return false;
+    }
+
+    // 3. Verify the address is well-formed (catches typos early)
+    CTrianglesAddress addr(outSigningAddress);
+    if (!addr.IsValid()) {
+        strError = "signing_address " + outSigningAddress + " is not a valid Triangles address";
+        return false;
+    }
+    CKeyID keyID;
+    if (!addr.GetKeyID(keyID)) {
+        strError = "signing_address " + outSigningAddress + " does not refer to a key";
+        return false;
+    }
+
+    // 4. Decode and verify the signature (same code path as verifymessage RPC)
+    bool fInvalid = false;
+    std::vector<unsigned char> vchSig = DecodeBase64(signature.c_str(), &fInvalid);
+    if (fInvalid) {
+        strError = "signed-checkpoints signature is not valid base64";
+        return false;
+    }
+    CDataStream ss(SER_GETHASH, 0);
+    ss << strMessageMagic;
+    ss << message;
+    CKey key;
+    if (!key.SetCompactSignature(Hash(ss.begin(), ss.end()), vchSig)) {
+        strError = "signed-checkpoints signature failed to recover (bad sig or "
+                   "message tampered)";
+        return false;
+    }
+    if (key.GetPubKey().GetID() != keyID) {
+        strError = "signed-checkpoints signature recovered to a key that does "
+                   "not match the claimed signer address";
+        return false;
+    }
+
+    // 5. Extract entries and verify they match the signed message
+    std::vector<std::string> entryObjs = ExtractJsonObjectArray(jsonText, "entries");
+    if (entryObjs.empty()) {
+        strError = "signed-checkpoints JSON has no entries array or entries is empty";
+        return false;
+    }
+    outEntries.reserve(entryObjs.size());
+    for (const auto& obj : entryObjs) {
+        SignedCheckpoint e;
+        e.nHeight = ExtractJsonInt(obj, "height");
+        e.hashHex = ExtractJsonString(obj, "hash");
+        e.nTimestamp = ExtractJsonInt(obj, "timestamp");
+        if (e.nHeight <= 0 || e.hashHex.empty() || e.nTimestamp <= 0) {
+            strError = "malformed entry (height/hash/timestamp invalid): " + obj;
+            return false;
+        }
+        // hashHex sanity: must be exactly 64 lowercase hex chars
+        if (e.hashHex.size() != 64) {
+            strError = "entry hash at height " + std::to_string(e.nHeight) +
+                       " is not 64 chars: " + e.hashHex;
+            return false;
+        }
+        for (char c : e.hashHex) {
+            if (!((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f'))) {
+                strError = "entry hash at height " + std::to_string(e.nHeight) +
+                           " contains non-lowercase-hex character";
+                return false;
+            }
+        }
+        outEntries.push_back(e);
+    }
+
+    // 6. Verify the signed message exactly matches the canonical serialization
+    //    of the entries. This is the cross-check that proves the entries
+    //    weren't tampered with after signing.
+    std::string expectedMessage = SerializeEntriesForSigning(outEntries);
+    if (expectedMessage != message) {
+        strError = "signed-checkpoints message does not match canonical entry "
+                   "serialization — entries were tampered with after signing";
+        return false;
+    }
+
+    printf("Checkpoints: signed-remote verified — %lu entries signed by %s\n",
+           (unsigned long)outEntries.size(), outSigningAddress.c_str());
+    return true;
+}
+
+// ============================================================================
+// Network fetch — keep it simple. The signed-checkpoints doc is tiny (~5 KB
+// for a year of entries at 5000-block intervals), so a plain HTTP GET is
+// fine. We DO NOT go through Tor for this fetch: the bootstrap server is
+// already a known clearnet endpoint (same model as the existing UTXO
+// snapshot download, which uses ConnectDirectTCP per bootstrap.cpp).
+// ============================================================================
+bool LoadSignedCheckpoints(
+    const std::string& host,
+    const std::string& onDiskPath,
+    std::vector<SignedCheckpoint>& outEntries,
+    std::string& outSigningAddress,
+    std::string& strError)
+{
+    outEntries.clear();
+    outSigningAddress.clear();
+
+    std::string jsonText;
+
+    // Path A: use on-disk copy if it exists (lets the daemon start even when
+    // the bootstrap server is unreachable, as long as we have a recent copy).
+    if (!onDiskPath.empty()) {
+        FILE* f = fopen(onDiskPath.c_str(), "rb");
+        if (f) {
+            fseek(f, 0, SEEK_END);
+            long sz = ftell(f);
+            fseek(f, 0, SEEK_SET);
+            if (sz > 0 && sz < 10 * 1024 * 1024) {  // 10 MB cap — sanity
+                jsonText.resize(sz);
+                size_t got = fread(&jsonText[0], 1, sz, f);
+                jsonText.resize(got);
+            }
+            fclose(f);
+            if (!jsonText.empty()) {
+                printf("Checkpoints: loaded on-disk signed-checkpoints from %s (%lu bytes)\n",
+                       onDiskPath.c_str(), (unsigned long)jsonText.size());
+            }
+        }
+    }
+
+    // Path B: fetch from bootstrap server. We always try this — if it
+    // succeeds, prefer the freshest doc over the on-disk copy.
+    if (host.empty()) {
+        strError = "LoadSignedCheckpoints: no host provided and no on-disk copy found";
+        return !jsonText.empty();  // if we have disk content, still try to verify it
+    }
+
+    // Use Bootstrap::DownloadFile — already handles clearnet HTTPS, timeouts,
+    // and redirects. We do NOT proxy through Tor.
+    if (Bootstrap::DownloadFile(host, "signed-checkpoints.json",
+                                 std::filesystem::temp_directory_path() / "signed-checkpoints.json.tmp",
+                                 nullptr, strError,
+                                 /*noProxy=*/true)) {
+        std::filesystem::path tmp = std::filesystem::temp_directory_path() / "signed-checkpoints.json.tmp";
+        FILE* f = fopen(tmp.string().c_str(), "rb");
+        if (f) {
+            fseek(f, 0, SEEK_END);
+            long sz = ftell(f);
+            fseek(f, 0, SEEK_SET);
+            if (sz > 0 && sz < 10 * 1024 * 1024) {
+                jsonText.resize(sz);
+                size_t got = fread(&jsonText[0], 1, sz, f);
+                jsonText.resize(got);
+            }
+            fclose(f);
+        }
+        std::error_code ec;
+        std::filesystem::remove(tmp, ec);
+
+        if (!jsonText.empty()) {
+            printf("Checkpoints: fetched fresh signed-checkpoints from %s (%lu bytes)\n",
+                   host.c_str(), (unsigned long)jsonText.size());
+            // Persist to disk for next startup (only if onDiskPath was given)
+            if (!onDiskPath.empty()) {
+                FILE* f2 = fopen(onDiskPath.c_str(), "wb");
+                if (f2) {
+                    fwrite(jsonText.data(), 1, (unsigned long)jsonText.size(), f2);
+                    fclose(f2);
+                    printf("Checkpoints: persisted signed-checkpoints to %s\n", onDiskPath.c_str());
+                }
+            }
+        }
+    } else {
+        printf("Checkpoints: WARNING — fetch from %s failed (%s)",
+               host.c_str(), strError.c_str());
+        if (jsonText.empty()) {
+            strError = "could not fetch signed-checkpoints and no on-disk copy: " + strError;
+            return false;
+        }
+        printf(" — falling back to on-disk copy\n");
+        strError.clear();
+    }
+
+    // Verify whatever we ended up with
+    return VerifySignedCheckpoints(jsonText, outEntries, outSigningAddress, strError);
+}
+
+} // namespace Checkpoints
@@ -0,0 +1,164 @@
+// Copyright (c) 2026 The Triangles developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+//
+// Signed Checkpoint Publisher (Triangles v5.9.24)
+//
+// Background
+// ----------
+// Triangles' existing CSyncCheckpoint (src/checkpoints.cpp) is Bitcoin-era
+// P2P-broadcast code that uses a HARDCODED master pubkey. That model does
+// not match how the project actually operates today (one operator with
+// multiple keys, snapshot publishing on the bootstrap server, no master
+// hierarchy). Instead we layer a *new* signed-checkpoint scheme on top of
+// the bootstrap server, using the same compact-message primitive the UTXO
+// snapshot trust model already uses (see src/bootstrap.cpp:IsTrustedSnapshotSigner).
+//
+// Trust model
+// -----------
+//   - A signed checkpoint document is a small JSON file hosted at
+//         https://bootstrap.cryptographic-triangles.org/signed-checkpoints.json
+//   - It contains a list of (height, block_hash, unix_timestamp) entries,
+//     followed by a single signing_address + signature covering the canonical
+//     serialization of the entry list.
+//   - The signing_address must appear in the trusted signers list
+//     (Checkpoints::IsTrustedCheckpointSigner, see checkpoints.cpp). The
+//     default trust list is the same as IsTrustedSnapshotSigner but kept
+//     separate so they can be managed independently.
+//   - Verification uses the existing CKey::SignCompact / SetCompactSignature
+//     code path through the wallet's verifymessage-style flow — no new
+//     cryptography is introduced.
+//
+// Producer
+// --------
+//   - The daemon operator runs `triangles-cli publishcheckpoint [interval]`
+//     which builds the entry list from pindexBest, signs with the wallet's
+//     default key, and writes the JSON document to a path the operator
+//     uploads to the bootstrap server (or a cron job uploads automatically
+//     when -autopublishcheckpoint is set).
+//   - Default interval = every 5000 blocks; can be set to every N.
+//   - The first entry is always the chain tip at publish time.
+//
+// Consumer
+// --------
+//   - On startup, the daemon can call
+//     Checkpoints::LoadSignedCheckpoints(host, dataDir, strError)
+//     which fetches, verifies, and merges the trusted entries into the
+//     compiled-in mapCheckpoints (lower priority — compiled-in wins on
+//     conflict to defend against remote-rollback).
+//   - Checkpoints::IsKnownSignedCheckpoint(height, hash) returns true if
+//     either compiled-in OR signed-remote knows about (height, hash).
+//
+// Relationship to existing code
+// -----------------------------
+//   - mapCheckpoints in src/checkpoints.cpp is UNCHANGED — the compiled-in
+//     list is still the primary trust anchor.
+//   - Signed checkpoints EXTEND the trust anchor with operator-published
+//     ones, useful when the operator wants to publish a checkpoint at
+//     height 2,210,000 without waiting for a code release.
+//   - mapSnapshotHashes is unaffected.
+
+#ifndef TRIANGLES_CHECKPOINT_PUBLISHER_H
+#define TRIANGLES_CHECKPOINT_PUBLISHER_H
+
+#include <string>
+#include <vector>
+#include <cstdint>
+
+namespace Checkpoints {
+
+// One signed checkpoint entry. Compact, serializable, no JSON inside the
+// struct — JSON wrapping happens in the publisher.
+struct SignedCheckpoint {
+    int nHeight;                  // block height
+    std::string hashHex;          // block hash, lowercase hex, NO 0x prefix, NO leading zeros
+    int64_t nTimestamp;           // unix seconds when published (signed over)
+};
+
+// Result of a publish or verify operation. Used for human-readable errors
+// and structured logging.
+struct SignedCheckpointResult {
+    bool ok;                      // overall success
+    std::string error;            // populated if !ok
+    int nEntriesWritten;          // for publish: how many entries went into the JSON
+    int nEntriesVerified;         // for verify: how many entries passed signature check
+};
+
+// Default URL for the bootstrap server's signed-checkpoints document.
+static const char* SIGNED_CHECKPOINTS_URL =
+    "https://bootstrap.cryptographic-triangles.org/signed-checkpoints.json";
+
+// Default local output path the daemon writes to on publish.
+static const char* SIGNED_CHECKPOINTS_DEFAULT_OUT =
+    "/var/www/triangles-bootstrap/signed-checkpoints.json";
+
+// ---- Producer ----
+
+// Build the JSON document for the entries [heights[0], heights[1], ...]
+// (in DESCENDING order — tip first) using the wallet's default key.
+// Returns true on success; outJson/outputPath written. Wallet must be
+// unlocked (signmessage requires it).
+//
+// This is the in-process builder used by both:
+//   - The triangles-cli `publishcheckpoint` RPC command
+//   - The daemon's auto-publish loop when -autopublishcheckpoint is set
+bool BuildSignedCheckpointsJson(
+    const std::vector<SignedCheckpoint>& entries,
+    const std::string& signingAddress,
+    const std::string& signatureBase64,
+    const std::string& message,
+    std::string& outJson,
+    std::string& strError);
+
+// Canonical (deterministic) serialization of the entry list. The signature
+// is over this exact byte sequence — both producer and consumer MUST use
+// this function so verification is reproducible across platforms.
+std::string SerializeEntriesForSigning(const std::vector<SignedCheckpoint>& entries);
+
+// ---- Consumer ----
+
+// Fetch the signed-checkpoints document from the bootstrap server, parse
+// it, verify the signature, and return the verified entries. Does NOT
+// merge into mapCheckpoints — caller decides what to do with the entries.
+//
+// onDiskPath: optional. If non-empty and the file already exists locally,
+// skip the network fetch and verify the on-disk copy. This makes startup
+// robust against bootstrap-server outages.
+bool LoadSignedCheckpoints(
+    const std::string& host,
+    const std::string& onDiskPath,
+    std::vector<SignedCheckpoint>& outEntries,
+    std::string& outSigningAddress,
+    std::string& strError);
+
+// Verify the signature on a parsed JSON document. Pure function — no
+// network, no filesystem.
+bool VerifySignedCheckpoints(
+    const std::string& jsonText,
+    std::vector<SignedCheckpoint>& outEntries,
+    std::string& outSigningAddress,
+    std::string& strError);
+
+// Is the given signing address in the trusted signers list? Mirrors
+// Bootstrap::IsTrustedSnapshotSigner but kept separate for independent
+// governance.
+bool IsTrustedCheckpointSigner(const std::string& addr);
+
+// ---- Merged lookup ----
+
+// Is (height, hash) known to either the compiled-in OR the
+// signed-remote set? This is what AcceptBlock / fork-detection should call.
+bool IsKnownSignedCheckpoint(int nHeight, const std::string& hashHex);
+
+// Inject loaded entries into the in-memory signed-checkpoint cache. Called
+// by init.cpp after LoadSignedCheckpoints returns successfully. Subsequent
+// IsKnownSignedCheckpoint() calls will return true for any (height, hash)
+// in the loaded set.
+void AddSignedCheckpoints(const std::vector<SignedCheckpoint>& entries);
+
+// Clear the in-memory cache (used at reorg boundaries and in tests).
+void ClearSignedCheckpoints();
+
+} // namespace Checkpoints
+
+#endif // TRIANGLES_CHECKPOINT_PUBLISHER_H
@@ -1,419 +1,468 @@
-// Copyright (c) 2009-2012 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include "checkpoints.h"
-
-#include "txdb.h"
-#include "main.h"
-#include "uint256.h"
-
-namespace Checkpoints
-{
-    typedef std::map<int, uint256> MapCheckpoints;
-
-    //
-    // What makes a good checkpoint block?
-    // + Is surrounded by blocks with reasonable timestamps
-    //   (no blocks before with a timestamp after, none after with
-    //    timestamp before)
-    // + Contains no strange transactions
-    //
-    static MapCheckpoints mapCheckpoints = {
-        {     0, hashGenesisBlockOfficial },
-        {  2000, uint256("0x0000000000b5f20078bf46ebdf1500813bb6b2cb482065aa93b89e073b2c6467")},
-        {  2101, uint256("0xd4ea1ac45b63c8162a7fc8033cec441db8d532ba988202849d7831e32fe2d059")},
-        {  2847, uint256("0xb5015e2835f13fd3bb6135cff9b31ac33310c9b77d694bdb592b8680d98d018e")},
-        {  3589, uint256("0xb12a2ca3db4e288cada98aa2139768532bd4474c49dd7b8158031032dac08d51")},
-        {  3935, uint256("0xe16290c9757d1368b8d7c35de07d4f8f70c2c9f9c785b667df0c3bff85086ca6")},
-        {  5703, uint256("0x587db07bb2172ad7db72c5fabc2518262a1b27f503f99417510b2c6fafa6557b")},
-        {  9000, uint256("0x00000000019ef6b2f5e7c324c7d083ee94502305aabc7e9cd73a7fb2a57bb8db")},
-        {  9001, uint256("0x6d5c6c5f201cc9e59659ee0da30d1430dc6bf3b12a8ff4c3864ab8d6286b0007")},
-        {  9002, uint256("0xa1e20fb1d44688b763690cf74d6aefe859e4cc32981f9e3f2b2ae9702bbcf249")},
-        { 10881, uint256("0x4b6554c45e1e6764a6f3c309c47baf53c9edd81f624e52b072518cd15da237e6")},
-        { 17650, uint256("0x224940e1f986a202209b8e762728d1452ab45870c308abf84905674acf326a47")},
-        {2186940, uint256("0xbd952e8d4a612e336d840ad924a7e09395e36bcd9d929b302e47e60b5c3098c0")},
-    };
-
-    static MapCheckpoints mapCheckpointsTestnet = {
-        {     0, hashGenesisBlockTestNet },
-        {  2000, uint256("0x0000000000b5f20078bf46ebdf1500813bb6b2cb482065aa93b89e073b2c6467")},
-        {  2101, uint256("0xd4ea1ac45b63c8162a7fc8033cec441db8d532ba988202849d7831e32fe2d059")},
-        {  2847, uint256("0xb5015e2835f13fd3bb6135cff9b31ac33310c9b77d694bdb592b8680d98d018e")},
-        {  3589, uint256("0xb12a2ca3db4e288cada98aa2139768532bd4474c49dd7b8158031032dac08d51")},
-        {  3935, uint256("0xe16290c9757d1368b8d7c35de07d4f8f70c2c9f9c785b667df0c3bff85086ca6")},
-        {  5703, uint256("0x587db07bb2172ad7db72c5fabc2518262a1b27f503f99417510b2c6fafa6557b")},
-        {  9000, uint256("0x00000000019ef6b2f5e7c324c7d083ee94502305aabc7e9cd73a7fb2a57bb8db")},
-        {  9001, uint256("0x6d5c6c5f201cc9e59659ee0da30d1430dc6bf3b12a8ff4c3864ab8d6286b0007")},
-        {  9002, uint256("0xa1e20fb1d44688b763690cf74d6aefe859e4cc32981f9e3f2b2ae9702bbcf249")},
-        { 10881, uint256("0x4b6554c45e1e6764a6f3c309c47baf53c9edd81f624e52b072518cd15da237e6")},
-        { 17650, uint256("0x224940e1f986a202209b8e762728d1452ab45870c308abf84905674acf326a47")},
-        {2186940, uint256("0xbd952e8d4a612e336d840ad924a7e09395e36bcd9d929b302e47e60b5c3098c0")},
-    };
-
-    bool CheckHardened(int nHeight, const uint256& hash)
-    {
-        MapCheckpoints& checkpoints = (fTestNet ? mapCheckpointsTestnet : mapCheckpoints);
-
-        MapCheckpoints::const_iterator i = checkpoints.find(nHeight);
-        if (i == checkpoints.end()) return true;
-        return hash == i->second;
-    }
-
-    bool IsKnownCheckpoint(int nHeight, const uint256& hash)
-    {
-        MapCheckpoints& checkpoints = (fTestNet ? mapCheckpointsTestnet : mapCheckpoints);
-        MapCheckpoints::const_iterator i = checkpoints.find(nHeight);
-        if (i == checkpoints.end()) return false;
-        return hash == i->second;
-    }
-
-    int GetTotalBlocksEstimate()
-    {
-        MapCheckpoints& checkpoints = (fTestNet ? mapCheckpointsTestnet : mapCheckpoints);
-
-        return checkpoints.rbegin()->first;
-    }
-
-    CBlockIndex* GetLastCheckpoint(const std::map<uint256, CBlockIndex*>& mapBlockIndex)
-    {
-        MapCheckpoints& checkpoints = (fTestNet ? mapCheckpointsTestnet : mapCheckpoints);
-
-        for (auto it = checkpoints.rbegin(); it != checkpoints.rend(); ++it)
-        {
-            const uint256& hash = it->second;
-            std::map<uint256, CBlockIndex*>::const_iterator t = mapBlockIndex.find(hash);
-            if (t != mapBlockIndex.end())
-                return t->second;
-        }
-        return NULL;
-    }
-
-    // triangles: synchronized checkpoint (centrally broadcasted)
-    uint256 hashSyncCheckpoint = uint256("0x7e7a6e4dd5fe895106fca912dfbacaeaf2a89e76c6a588df8ff96e0e18b96021");
-    uint256 hashPendingCheckpoint = uint256("0x7e7a6e4dd5fe895106fca912dfbacaeaf2a89e76c6a588df8ff96e0e18b96021");
-    CSyncCheckpoint checkpointMessage;
-    CSyncCheckpoint checkpointMessagePending;
-    uint256 hashInvalidCheckpoint = 0;
-    CCriticalSection cs_hashSyncCheckpoint;
-
-    // triangles: get last synchronized checkpoint
-    CBlockIndex* GetLastSyncCheckpoint()
-    {
-        LOCK(cs_hashSyncCheckpoint);
-        if (!mapBlockIndex.count(hashSyncCheckpoint))
-            error("GetSyncCheckpoint: block index missing for current sync-checkpoint %s", hashSyncCheckpoint.ToString().c_str());
-        else
-            return mapBlockIndex[hashSyncCheckpoint];
-        return NULL;
-    }
-
-    // triangles: only descendant of current sync-checkpoint is allowed
-    bool ValidateSyncCheckpoint(uint256 hashCheckpoint)
-    {
-        if (!mapBlockIndex.count(hashSyncCheckpoint))
-            return error("ValidateSyncCheckpoint: block index missing for current sync-checkpoint %s", hashSyncCheckpoint.ToString().c_str());
-        if (!mapBlockIndex.count(hashCheckpoint))
-            return error("ValidateSyncCheckpoint: block index missing for received sync-checkpoint %s", hashCheckpoint.ToString().c_str());
-
-        CBlockIndex* pindexSyncCheckpoint = mapBlockIndex[hashSyncCheckpoint];
-        CBlockIndex* pindexCheckpointRecv = mapBlockIndex[hashCheckpoint];
-
-        if (pindexCheckpointRecv->nHeight <= pindexSyncCheckpoint->nHeight)
-        {
-            // Received an older checkpoint, trace back from current checkpoint
-            // to the same height of the received checkpoint to verify
-            // that current checkpoint should be a descendant block
-            CBlockIndex* pindex = pindexSyncCheckpoint;
-            while (pindex->nHeight > pindexCheckpointRecv->nHeight)
-                if (!(pindex = pindex->pprev))
-                    return error("ValidateSyncCheckpoint: pprev null - block index structure failure");
-            if (pindex->GetBlockHash() != hashCheckpoint)
-            {
-                hashInvalidCheckpoint = hashCheckpoint;
-                return error("ValidateSyncCheckpoint: new sync-checkpoint %s is conflicting with current sync-checkpoint %s", hashCheckpoint.ToString().c_str(), hashSyncCheckpoint.ToString().c_str());
-            }
-            return false; // ignore older checkpoint
-        }
-
-        // Received checkpoint should be a descendant block of the current
-        // checkpoint. Trace back to the same height of current checkpoint
-        // to verify.
-        CBlockIndex* pindex = pindexCheckpointRecv;
-        while (pindex->nHeight > pindexSyncCheckpoint->nHeight)
-            if (!(pindex = pindex->pprev))
-                return error("ValidateSyncCheckpoint: pprev2 null - block index structure failure");
-        if (pindex->GetBlockHash() != hashSyncCheckpoint)
-        {
-            hashInvalidCheckpoint = hashCheckpoint;
-            return error("ValidateSyncCheckpoint: new sync-checkpoint %s is not a descendant of current sync-checkpoint %s", hashCheckpoint.ToString().c_str(), hashSyncCheckpoint.ToString().c_str());
-        }
-        return true;
-    }
-
-    bool WriteSyncCheckpoint(const uint256& hashCheckpoint)
-    {
-        CTxDB txdb;
-        txdb.TxnBegin();
-        if (!txdb.WriteSyncCheckpoint(hashCheckpoint))
-        {
-            txdb.TxnAbort();
-            return error("WriteSyncCheckpoint(): failed to write to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
-        }
-        if (!txdb.TxnCommit())
-            return error("WriteSyncCheckpoint(): failed to commit to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
-
-        Checkpoints::hashSyncCheckpoint = hashCheckpoint;
-        return true;
-    }
-
-    bool AcceptPendingSyncCheckpoint()
-    {
-        LOCK(cs_hashSyncCheckpoint);
-        if (hashPendingCheckpoint != 0 && mapBlockIndex.count(hashPendingCheckpoint))
-        {
-            if (!ValidateSyncCheckpoint(hashPendingCheckpoint))
-            {
-                hashPendingCheckpoint = 0;
-                checkpointMessagePending.SetNull();
-                return false;
-            }
-
-            CTxDB txdb;
-            CBlockIndex* pindexCheckpoint = mapBlockIndex[hashPendingCheckpoint];
-            if (!pindexCheckpoint->IsInMainChain())
-            {
-                CBlock block;
-                if (!block.ReadFromDisk(pindexCheckpoint))
-                    return error("AcceptPendingSyncCheckpoint: ReadFromDisk failed for sync checkpoint %s", hashPendingCheckpoint.ToString().c_str());
-                if (!block.SetBestChain(txdb, pindexCheckpoint))
-                {
-                    hashInvalidCheckpoint = hashPendingCheckpoint;
-                    return error("AcceptPendingSyncCheckpoint: SetBestChain failed for sync checkpoint %s", hashPendingCheckpoint.ToString().c_str());
-                }
-            }
-
-            if (!WriteSyncCheckpoint(hashPendingCheckpoint))
-                return error("AcceptPendingSyncCheckpoint(): failed to write sync checkpoint %s", hashPendingCheckpoint.ToString().c_str());
-            hashPendingCheckpoint = 0;
-            checkpointMessage = checkpointMessagePending;
-            checkpointMessagePending.SetNull();
-            printf("AcceptPendingSyncCheckpoint : sync-checkpoint at %s\n", hashSyncCheckpoint.ToString().c_str());
-            // relay the checkpoint
-            if (!checkpointMessage.IsNull())
-            {
-                for (CNode* pnode : vNodes)
-                    checkpointMessage.RelayTo(pnode);
-            }
-            return true;
-        }
-        return false;
-    }
-
-    // Automatically select a suitable sync-checkpoint 
-    uint256 AutoSelectSyncCheckpoint()
-    {
-        const CBlockIndex *pindex = pindexBest;
-        // Search backward for a block within max span and maturity window
-        while (pindex->pprev && (pindex->GetBlockTime() + CHECKPOINT_MAX_SPAN > pindexBest->GetBlockTime() || pindex->nHeight + 8 > pindexBest->nHeight))
-            pindex = pindex->pprev;
-        return pindex->GetBlockHash();
-    }
-
-    // Check against synchronized checkpoint
-    // Disabled: master key removed in V5, no new sync checkpoints possible.
-    // Always returns true to prevent stale DB-persisted checkpoints from blocking IBD.
-    bool CheckSync(const uint256& hashBlock, const CBlockIndex* pindexPrev)
-    {
-        return true;
-    }
-
-    bool WantedByPendingSyncCheckpoint(uint256 hashBlock)
-    {
-        LOCK(cs_hashSyncCheckpoint);
-        if (hashPendingCheckpoint == 0)
-            return false;
-        if (hashBlock == hashPendingCheckpoint)
-            return true;
-        if (mapOrphanBlocks.count(hashPendingCheckpoint) 
-            && hashBlock == WantedByOrphan(mapOrphanBlocks[hashPendingCheckpoint]))
-            return true;
-        return false;
-    }
-
-    // triangles: reset synchronized checkpoint to last hardened checkpoint
-    bool ResetSyncCheckpoint()
-    {
-        LOCK(cs_hashSyncCheckpoint);
-        const uint256& hash = mapCheckpoints.rbegin()->second;
-        if (mapBlockIndex.count(hash) && !mapBlockIndex[hash]->IsInMainChain())
-        {
-            // checkpoint block accepted but not yet in main chain
-            printf("ResetSyncCheckpoint: SetBestChain to hardened checkpoint %s\n", hash.ToString().c_str());
-            CTxDB txdb;
-            CBlock block;
-            if (!block.ReadFromDisk(mapBlockIndex[hash]))
-                return error("ResetSyncCheckpoint: ReadFromDisk failed for hardened checkpoint %s", hash.ToString().c_str());
-            if (!block.SetBestChain(txdb, mapBlockIndex[hash]))
-            {
-                return error("ResetSyncCheckpoint: SetBestChain failed for hardened checkpoint %s", hash.ToString().c_str());
-            }
-        }
-        else if(!mapBlockIndex.count(hash))
-        {
-            // checkpoint block not yet accepted
-            hashPendingCheckpoint = hash;
-            checkpointMessagePending.SetNull();
-            printf("ResetSyncCheckpoint: pending for sync-checkpoint %s\n", hashPendingCheckpoint.ToString().c_str());
-        }
-
-        for (auto it = mapCheckpoints.rbegin(); it != mapCheckpoints.rend(); ++it)
-        {
-            const uint256& hash = it->second;
-            if (mapBlockIndex.count(hash) && mapBlockIndex[hash]->IsInMainChain())
-            {
-                if (!WriteSyncCheckpoint(hash))
-                    return error("ResetSyncCheckpoint: failed to write sync checkpoint %s", hash.ToString().c_str());
-                printf("ResetSyncCheckpoint: sync-checkpoint reset to %s\n", hashSyncCheckpoint.ToString().c_str());
-                return true;
-            }
-        }
-
-        return false;
-    }
-
-    void AskForPendingSyncCheckpoint(CNode* pfrom)
-    {
-        LOCK(cs_hashSyncCheckpoint);
-        if (pfrom && hashPendingCheckpoint != 0 && (!mapBlockIndex.count(hashPendingCheckpoint)) && (!mapOrphanBlocks.count(hashPendingCheckpoint)))
-            pfrom->AskFor(CInv(MSG_BLOCK, hashPendingCheckpoint));
-    }
-
-    bool SetCheckpointPrivKey(std::string strPrivKey)
-    {
-        // Test signing a sync-checkpoint with genesis block
-        CSyncCheckpoint checkpoint;
-        checkpoint.hashCheckpoint = !fTestNet ? hashGenesisBlockOfficial : hashGenesisBlockTestNet;
-        CDataStream sMsg(SER_NETWORK, PROTOCOL_VERSION);
-        sMsg << (CUnsignedSyncCheckpoint)checkpoint;
-        checkpoint.vchMsg = std::vector<unsigned char>(sMsg.begin(), sMsg.end());
-
-        std::vector<unsigned char> vchPrivKey = ParseHex(strPrivKey);
-        CKey key;
-        key.SetPrivKey(CPrivKey(vchPrivKey.begin(), vchPrivKey.end())); // if key is not correct openssl may crash
-        if (!key.Sign(Hash(checkpoint.vchMsg.begin(), checkpoint.vchMsg.end()), checkpoint.vchSig))
-            return false;
-
-        // Test signing successful, proceed
-        CSyncCheckpoint::strMasterPrivKey = strPrivKey;
-        return true;
-    }
-
-    bool SendSyncCheckpoint(uint256 hashCheckpoint)
-    {
-        CSyncCheckpoint checkpoint;
-        checkpoint.hashCheckpoint = hashCheckpoint;
-        CDataStream sMsg(SER_NETWORK, PROTOCOL_VERSION);
-        sMsg << (CUnsignedSyncCheckpoint)checkpoint;
-        checkpoint.vchMsg = std::vector<unsigned char>(sMsg.begin(), sMsg.end());
-
-        if (CSyncCheckpoint::strMasterPrivKey.empty())
-            return error("SendSyncCheckpoint: Checkpoint master key unavailable.");
-        std::vector<unsigned char> vchPrivKey = ParseHex(CSyncCheckpoint::strMasterPrivKey);
-        CKey key;
-        key.SetPrivKey(CPrivKey(vchPrivKey.begin(), vchPrivKey.end())); // if key is not correct openssl may crash
-        if (!key.Sign(Hash(checkpoint.vchMsg.begin(), checkpoint.vchMsg.end()), checkpoint.vchSig))
-            return error("SendSyncCheckpoint: Unable to sign checkpoint, check private key?");
-
-        if(!checkpoint.ProcessSyncCheckpoint(NULL))
-        {
-            printf("WARNING: SendSyncCheckpoint: Failed to process checkpoint.\n");
-            return false;
-        }
-
-        // Relay checkpoint
-        {
-            LOCK(cs_vNodes);
-            for (CNode* pnode : vNodes)
-                checkpoint.RelayTo(pnode);
-        }
-        return true;
-    }
-
-    // Is the sync-checkpoint outside maturity window?
-    bool IsMatureSyncCheckpoint()
-    {
-        LOCK(cs_hashSyncCheckpoint);
-        if (!mapBlockIndex.count(hashSyncCheckpoint))
-            return true; // no valid sync checkpoint, treat as mature
-        const CBlockIndex* pindexSync = mapBlockIndex[hashSyncCheckpoint];
-        return (nBestHeight >= pindexSync->nHeight + nCoinbaseMaturity ||
-                pindexSync->GetBlockTime() + nStakeMinAge < GetAdjustedTime());
-    }
-}
-
-// triangles: sync-checkpoint master key (DISABLED for decentralization - v5 hard fork)
-const std::string CSyncCheckpoint::strMasterPubKey = "";
-
-std::string CSyncCheckpoint::strMasterPrivKey = "";
-
-// triangles: verify signature of sync-checkpoint message
-// Master key system disabled - checkpoint signatures are no longer required
-bool CSyncCheckpoint::CheckSignature()
-{
-    // Deserialize the checkpoint data without signature verification
-    CDataStream sMsg(vchMsg, SER_NETWORK, PROTOCOL_VERSION);
-    sMsg >> *(CUnsignedSyncCheckpoint*)this;
-    return true;
-}
-
-// triangles: process synchronized checkpoint
-bool CSyncCheckpoint::ProcessSyncCheckpoint(CNode* pfrom)
-{
-    if (!CheckSignature())
-        return false;
-
-    LOCK(Checkpoints::cs_hashSyncCheckpoint);
-    if (!mapBlockIndex.count(hashCheckpoint))
-    {
-        // We haven't received the checkpoint chain, keep the checkpoint as pending
-        Checkpoints::hashPendingCheckpoint = hashCheckpoint;
-        Checkpoints::checkpointMessagePending = *this;
-        printf("ProcessSyncCheckpoint: pending for sync-checkpoint %s\n", hashCheckpoint.ToString().c_str());
-        // Ask this guy to fill in what we're missing
-        if (pfrom)
-        {
-            pfrom->PushGetBlocks(pindexBest, hashCheckpoint);
-            // ask directly as well in case rejected earlier by duplicate
-            // proof-of-stake because getblocks may not get it this time
-            pfrom->AskFor(CInv(MSG_BLOCK, mapOrphanBlocks.count(hashCheckpoint)? WantedByOrphan(mapOrphanBlocks[hashCheckpoint]) : hashCheckpoint));
-        }
-        return false;
-    }
-
-    if (!Checkpoints::ValidateSyncCheckpoint(hashCheckpoint))
-        return false;
-
-    CTxDB txdb;
-    CBlockIndex* pindexCheckpoint = mapBlockIndex[hashCheckpoint];
-    if (!pindexCheckpoint->IsInMainChain())
-    {
-        // checkpoint chain received but not yet main chain
-        CBlock block;
-        if (!block.ReadFromDisk(pindexCheckpoint))
-            return error("ProcessSyncCheckpoint: ReadFromDisk failed for sync checkpoint %s", hashCheckpoint.ToString().c_str());
-        if (!block.SetBestChain(txdb, pindexCheckpoint))
-        {
-            Checkpoints::hashInvalidCheckpoint = hashCheckpoint;
-            return error("ProcessSyncCheckpoint: SetBestChain failed for sync checkpoint %s", hashCheckpoint.ToString().c_str());
-        }
-    }
-
-    if (!Checkpoints::WriteSyncCheckpoint(hashCheckpoint))
-        return error("ProcessSyncCheckpoint(): failed to write sync checkpoint %s", hashCheckpoint.ToString().c_str());
-    Checkpoints::checkpointMessage = *this;
-    Checkpoints::hashPendingCheckpoint = 0;
-    Checkpoints::checkpointMessagePending.SetNull();
-    printf("ProcessSyncCheckpoint: sync-checkpoint at %s\n", hashCheckpoint.ToString().c_str());
-    return true;
-}
+// Copyright (c) 2009-2012 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "checkpoints.h"
+
+#include "txdb.h"
+#include "main.h"
+#include "uint256.h"
+
+namespace Checkpoints
+{
+    typedef std::map<int, uint256> MapCheckpoints;
+
+    //
+    // What makes a good checkpoint block?
+    // + Is surrounded by blocks with reasonable timestamps
+    //   (no blocks before with a timestamp after, none after with
+    //    timestamp before)
+    // + Contains no strange transactions
+    //
+    static MapCheckpoints mapCheckpoints = {
+        {     0, hashGenesisBlockOfficial },
+        {  2000, uint256("0x0000000000b5f20078bf46ebdf1500813bb6b2cb482065aa93b89e073b2c6467")},
+        {  2101, uint256("0xd4ea1ac45b63c8162a7fc8033cec441db8d532ba988202849d7831e32fe2d059")},
+        {  2847, uint256("0xb5015e2835f13fd3bb6135cff9b31ac33310c9b77d694bdb592b8680d98d018e")},
+        {  3589, uint256("0xb12a2ca3db4e288cada98aa2139768532bd4474c49dd7b8158031032dac08d51")},
+        {  3935, uint256("0xe16290c9757d1368b8d7c35de07d4f8f70c2c9f9c785b667df0c3bff85086ca6")},
+        {  5703, uint256("0x587db07bb2172ad7db72c5fabc2518262a1b27f503f99417510b2c6fafa6557b")},
+        {  9000, uint256("0x00000000019ef6b2f5e7c324c7d083ee94502305aabc7e9cd73a7fb2a57bb8db")},
+        {  9001, uint256("0x6d5c6c5f201cc9e59659ee0da30d1430dc6bf3b12a8ff4c3864ab8d6286b0007")},
+        {  9002, uint256("0xa1e20fb1d44688b763690cf74d6aefe859e4cc32981f9e3f2b2ae9702bbcf249")},
+        { 10881, uint256("0x4b6554c45e1e6764a6f3c309c47baf53c9edd81f624e52b072518cd15da237e6")},
+        { 17650, uint256("0x224940e1f986a202209b8e762728d1452ab45870c308abf84905674acf326a47")},
+                // Recent finality pin (PoS era). Closes the long unchecked span from
+                // 17650 to the live tip so stale-bootstrap / low-trust forks below
+                // this height are rejected outright. Hash from the canonical chain.
+                { 2205000, uint256("0x6bdd3c5e5a32e1dd9a70e705f1a28d1dd84929f89579bd2696d41bc87f39446f")},
+                { 2206004, uint256("0xb34e8e6a7bb7f52167d81aaad4d26f87a876898fdd0fce860916fc1aaf9a2a46")},
+                // Continuous finality pins: every 1000 blocks from 2206500 onward so the
+                // gap between the last hardcoded checkpoint and the live tip stays bounded.
+                // Without these, a fresh node syncing from zero (no snapshot) has 8,400+
+                // unverified blocks at tip — a peer feeding fork blocks at those heights
+                // could trick an IBD node into accepting a divergent chain. With these
+                // pins, any divergence >1000 blocks is rejected at AcceptBlock time.
+                // All hashes verified against the canonical chain on 2026-07-01.
+                { 2206500, uint256("0x707ea288242227e9b36ceeeecd5a16a6c918f8b6f7e6375128cba908ebfcbf27")},
+                { 2207000, uint256("0x7af1cc23fdffb3a9ed2eb9aa5a8697e8af2f98c67c4f6baa9f4d7899cbfaf4ca")},
+                { 2210000, uint256("0xe2dc2e55c6e1b3d2ea9d8a1f2b274bf64053ddd6a61335dc6896aa9c056956be")},
+                { 2211000, uint256("0x61c8a179c928a1f0bbffa029b4f1aea67b04a98227a6d02e6137280404ed29dc")},
+                { 2212000, uint256("0xf4df2b5d0d1de326b97ed5a3eeefef307a51791e03af401373e142f00453a9a8")},
+                { 2213000, uint256("0x7bc9652d423676c52ba8b0a287e0b46e1eca6e8eecc51d3f30e0d665d3b236f5")},
+                { 2214000, uint256("0x17e61ceb45db36358aaabe91b094a77ecba32370a467185fa9af75eef6c8e414")},
+                { 2214400, uint256("0x8ebb818f7280850c5a3916b7c8a2bca603f7c4f9926d3cdc2262f726035d96ed")},
+            };
+
+    // Published UTXO snapshot file SHA256, keyed by snapshot height.
+    // Each entry binds height -> SHA256 of the canonical snapshot file produced by
+    // UtxoSnapshot::DumpSnapshot at that height. Used by SnapshotNet to verify
+    // P2P-delivered snapshots without trusting any peer.
+    //
+    // Maintainers: after producing a snapshot, sha256 the file and add an entry
+    // here. The corresponding (height, blockhash) must already exist in
+    // mapCheckpoints / mapCheckpointsTestnet.
+    static std::map<int, uint256> mapSnapshotHashes = {
+        { 2206004, uint256("0x1419282dae817315ee1b955543f6248233fe5800f5e8488734a0ece5bd6781ea")},
+    };
+
+    static std::map<int, uint256> mapSnapshotHashesTestnet = {
+    };
+
+    static MapCheckpoints mapCheckpointsTestnet = {
+        {     0, hashGenesisBlockTestNet },
+        {  2000, uint256("0x0000000000b5f20078bf46ebdf1500813bb6b2cb482065aa93b89e073b2c6467")},
+        {  2101, uint256("0xd4ea1ac45b63c8162a7fc8033cec441db8d532ba988202849d7831e32fe2d059")},
+        {  2847, uint256("0xb5015e2835f13fd3bb6135cff9b31ac33310c9b77d694bdb592b8680d98d018e")},
+        {  3589, uint256("0xb12a2ca3db4e288cada98aa2139768532bd4474c49dd7b8158031032dac08d51")},
+        {  3935, uint256("0xe16290c9757d1368b8d7c35de07d4f8f70c2c9f9c785b667df0c3bff85086ca6")},
+        {  5703, uint256("0x587db07bb2172ad7db72c5fabc2518262a1b27f503f99417510b2c6fafa6557b")},
+        {  9000, uint256("0x00000000019ef6b2f5e7c324c7d083ee94502305aabc7e9cd73a7fb2a57bb8db")},
+        {  9001, uint256("0x6d5c6c5f201cc9e59659ee0da30d1430dc6bf3b12a8ff4c3864ab8d6286b0007")},
+        {  9002, uint256("0xa1e20fb1d44688b763690cf74d6aefe859e4cc32981f9e3f2b2ae9702bbcf249")},
+        { 10881, uint256("0x4b6554c45e1e6764a6f3c309c47baf53c9edd81f624e52b072518cd15da237e6")},
+        { 17650, uint256("0x224940e1f986a202209b8e762728d1452ab45870c308abf84905674acf326a47")},
+    };
+
+    bool CheckHardened(int nHeight, const uint256& hash)
+    {
+        MapCheckpoints& checkpoints = (fTestNet ? mapCheckpointsTestnet : mapCheckpoints);
+
+        MapCheckpoints::const_iterator i = checkpoints.find(nHeight);
+        if (i == checkpoints.end()) return true;
+        return hash == i->second;
+    }
+
+    bool IsKnownCheckpoint(int nHeight, const uint256& hash)
+    {
+        MapCheckpoints& checkpoints = (fTestNet ? mapCheckpointsTestnet : mapCheckpoints);
+        MapCheckpoints::const_iterator i = checkpoints.find(nHeight);
+        if (i == checkpoints.end()) return false;
+        return hash == i->second;
+    }
+
+    int GetTotalBlocksEstimate()
+    {
+        MapCheckpoints& checkpoints = (fTestNet ? mapCheckpointsTestnet : mapCheckpoints);
+
+        return checkpoints.rbegin()->first;
+    }
+
+    int GetBestSnapshotHeight()
+    {
+        std::map<int, uint256>& snaps = (fTestNet ? mapSnapshotHashesTestnet : mapSnapshotHashes);
+        if (snaps.empty()) return 0;
+        return snaps.rbegin()->first;
+    }
+
+    bool GetSnapshotHash(int nHeight, uint256& fileHashOut)
+    {
+        std::map<int, uint256>& snaps = (fTestNet ? mapSnapshotHashesTestnet : mapSnapshotHashes);
+        auto it = snaps.find(nHeight);
+        if (it == snaps.end()) return false;
+        fileHashOut = it->second;
+        return true;
+    }
+
+    CBlockIndex* GetLastCheckpoint(const std::map<uint256, CBlockIndex*>& mapBlockIndex)
+    {
+        MapCheckpoints& checkpoints = (fTestNet ? mapCheckpointsTestnet : mapCheckpoints);
+
+        for (auto it = checkpoints.rbegin(); it != checkpoints.rend(); ++it)
+        {
+            const uint256& hash = it->second;
+            std::map<uint256, CBlockIndex*>::const_iterator t = mapBlockIndex.find(hash);
+            if (t != mapBlockIndex.end())
+                return t->second;
+        }
+        return nullptr;
+    }
+
+    // triangles: synchronized checkpoint (centrally broadcasted)
+    uint256 hashSyncCheckpoint = uint256("0x7e7a6e4dd5fe895106fca912dfbacaeaf2a89e76c6a588df8ff96e0e18b96021");
+    uint256 hashPendingCheckpoint = uint256("0x7e7a6e4dd5fe895106fca912dfbacaeaf2a89e76c6a588df8ff96e0e18b96021");
+    CSyncCheckpoint checkpointMessage;
+    CSyncCheckpoint checkpointMessagePending;
+    uint256 hashInvalidCheckpoint = 0;
+    CCriticalSection cs_hashSyncCheckpoint;
+
+    // triangles: get last synchronized checkpoint
+    CBlockIndex* GetLastSyncCheckpoint()
+    {
+        LOCK(cs_hashSyncCheckpoint);
+        if (!mapBlockIndex.count(hashSyncCheckpoint))
+            error("GetSyncCheckpoint: block index missing for current sync-checkpoint %s", hashSyncCheckpoint.ToString().c_str());
+        else
+            return mapBlockIndex[hashSyncCheckpoint];
+        return nullptr;
+    }
+
+    // triangles: only descendant of current sync-checkpoint is allowed
+    bool ValidateSyncCheckpoint(uint256 hashCheckpoint)
+    {
+        if (!mapBlockIndex.count(hashSyncCheckpoint))
+            return error("ValidateSyncCheckpoint: block index missing for current sync-checkpoint %s", hashSyncCheckpoint.ToString().c_str());
+        if (!mapBlockIndex.count(hashCheckpoint))
+            return error("ValidateSyncCheckpoint: block index missing for received sync-checkpoint %s", hashCheckpoint.ToString().c_str());
+
+        CBlockIndex* pindexSyncCheckpoint = mapBlockIndex[hashSyncCheckpoint];
+        CBlockIndex* pindexCheckpointRecv = mapBlockIndex[hashCheckpoint];
+
+        if (pindexCheckpointRecv->nHeight <= pindexSyncCheckpoint->nHeight)
+        {
+            // Received an older checkpoint, trace back from current checkpoint
+            // to the same height of the received checkpoint to verify
+            // that current checkpoint should be a descendant block
+            CBlockIndex* pindex = pindexSyncCheckpoint;
+            while (pindex->nHeight > pindexCheckpointRecv->nHeight)
+                if (!(pindex = pindex->pprev))
+                    return error("ValidateSyncCheckpoint: pprev null - block index structure failure");
+            if (pindex->GetBlockHash() != hashCheckpoint)
+            {
+                hashInvalidCheckpoint = hashCheckpoint;
+                return error("ValidateSyncCheckpoint: new sync-checkpoint %s is conflicting with current sync-checkpoint %s", hashCheckpoint.ToString().c_str(), hashSyncCheckpoint.ToString().c_str());
+            }
+            return false; // ignore older checkpoint
+        }
+
+        // Received checkpoint should be a descendant block of the current
+        // checkpoint. Trace back to the same height of current checkpoint
+        // to verify.
+        CBlockIndex* pindex = pindexCheckpointRecv;
+        while (pindex->nHeight > pindexSyncCheckpoint->nHeight)
+            if (!(pindex = pindex->pprev))
+                return error("ValidateSyncCheckpoint: pprev2 null - block index structure failure");
+        if (pindex->GetBlockHash() != hashSyncCheckpoint)
+        {
+            hashInvalidCheckpoint = hashCheckpoint;
+            return error("ValidateSyncCheckpoint: new sync-checkpoint %s is not a descendant of current sync-checkpoint %s", hashCheckpoint.ToString().c_str(), hashSyncCheckpoint.ToString().c_str());
+        }
+        return true;
+    }
+
+    bool WriteSyncCheckpoint(const uint256& hashCheckpoint)
+    {
+        auto txdb_holder = MakeChainDB(); CTxDBBase& txdb = *txdb_holder;
+        txdb.TxnBegin();
+        if (!txdb.WriteSyncCheckpoint(hashCheckpoint))
+        {
+            txdb.TxnAbort();
+            return error("WriteSyncCheckpoint(): failed to write to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
+        }
+        if (!txdb.TxnCommit())
+            return error("WriteSyncCheckpoint(): failed to commit to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
+
+        Checkpoints::hashSyncCheckpoint = hashCheckpoint;
+        return true;
+    }
+
+    bool AcceptPendingSyncCheckpoint()
+    {
+        LOCK(cs_hashSyncCheckpoint);
+        if (hashPendingCheckpoint != 0 && mapBlockIndex.count(hashPendingCheckpoint))
+        {
+            if (!ValidateSyncCheckpoint(hashPendingCheckpoint))
+            {
+                hashPendingCheckpoint = 0;
+                checkpointMessagePending.SetNull();
+                return false;
+            }
+
+            auto txdb_holder = MakeChainDB(); CTxDBBase& txdb = *txdb_holder;
+            CBlockIndex* pindexCheckpoint = mapBlockIndex[hashPendingCheckpoint];
+            if (!pindexCheckpoint->IsInMainChain())
+            {
+                CBlock block;
+                if (!block.ReadFromDisk(pindexCheckpoint))
+                    return error("AcceptPendingSyncCheckpoint: ReadFromDisk failed for sync checkpoint %s", hashPendingCheckpoint.ToString().c_str());
+                if (!block.SetBestChain(txdb, pindexCheckpoint))
+                {
+                    hashInvalidCheckpoint = hashPendingCheckpoint;
+                    return error("AcceptPendingSyncCheckpoint: SetBestChain failed for sync checkpoint %s", hashPendingCheckpoint.ToString().c_str());
+                }
+            }
+
+            if (!WriteSyncCheckpoint(hashPendingCheckpoint))
+                return error("AcceptPendingSyncCheckpoint(): failed to write sync checkpoint %s", hashPendingCheckpoint.ToString().c_str());
+            hashPendingCheckpoint = 0;
+            checkpointMessage = checkpointMessagePending;
+            checkpointMessagePending.SetNull();
+            printf("AcceptPendingSyncCheckpoint : sync-checkpoint at %s\n", hashSyncCheckpoint.ToString().c_str());
+            // relay the checkpoint
+            if (!checkpointMessage.IsNull())
+            {
+                for (CNode* pnode : vNodes)
+                    checkpointMessage.RelayTo(pnode);
+            }
+            return true;
+        }
+        return false;
+    }
+
+    // Automatically select a suitable sync-checkpoint 
+    uint256 AutoSelectSyncCheckpoint()
+    {
+        const CBlockIndex *pindex = pindexBest;
+        // Search backward for a block within max span and maturity window
+        while (pindex->pprev && (pindex->GetBlockTime() + CHECKPOINT_MAX_SPAN > pindexBest->GetBlockTime() || pindex->nHeight + 8 > pindexBest->nHeight))
+            pindex = pindex->pprev;
+        return pindex->GetBlockHash();
+    }
+
+    // Check against synchronized checkpoint
+    // Disabled: master key removed in V5, no new sync checkpoints possible.
+    // Always returns true to prevent stale DB-persisted checkpoints from blocking IBD.
+    bool CheckSync(const uint256& hashBlock, const CBlockIndex* pindexPrev)
+    {
+        return true;
+    }
+
+    bool WantedByPendingSyncCheckpoint(uint256 hashBlock)
+    {
+        LOCK(cs_hashSyncCheckpoint);
+        if (hashPendingCheckpoint == 0)
+            return false;
+        if (hashBlock == hashPendingCheckpoint)
+            return true;
+        if (mapOrphanBlocks.count(hashPendingCheckpoint)
+            && hashBlock == WantedByOrphan(mapOrphanBlocks[hashPendingCheckpoint].get()))
+            return true;
+        return false;
+    }
+
+    // triangles: reset synchronized checkpoint to last hardened checkpoint
+    bool ResetSyncCheckpoint()
+    {
+        LOCK(cs_hashSyncCheckpoint);
+        const uint256& hash = mapCheckpoints.rbegin()->second;
+        if (mapBlockIndex.count(hash) && !mapBlockIndex[hash]->IsInMainChain())
+        {
+            // checkpoint block accepted but not yet in main chain
+            printf("ResetSyncCheckpoint: SetBestChain to hardened checkpoint %s\n", hash.ToString().c_str());
+            auto txdb_holder = MakeChainDB(); CTxDBBase& txdb = *txdb_holder;
+            CBlock block;
+            if (!block.ReadFromDisk(mapBlockIndex[hash]))
+                return error("ResetSyncCheckpoint: ReadFromDisk failed for hardened checkpoint %s", hash.ToString().c_str());
+            if (!block.SetBestChain(txdb, mapBlockIndex[hash]))
+            {
+                return error("ResetSyncCheckpoint: SetBestChain failed for hardened checkpoint %s", hash.ToString().c_str());
+            }
+        }
+        else if(!mapBlockIndex.count(hash))
+        {
+            // checkpoint block not yet accepted
+            hashPendingCheckpoint = hash;
+            checkpointMessagePending.SetNull();
+            printf("ResetSyncCheckpoint: pending for sync-checkpoint %s\n", hashPendingCheckpoint.ToString().c_str());
+        }
+
+        for (auto it = mapCheckpoints.rbegin(); it != mapCheckpoints.rend(); ++it)
+        {
+            const uint256& hash = it->second;
+            if (mapBlockIndex.count(hash) && mapBlockIndex[hash]->IsInMainChain())
+            {
+                if (!WriteSyncCheckpoint(hash))
+                    return error("ResetSyncCheckpoint: failed to write sync checkpoint %s", hash.ToString().c_str());
+                printf("ResetSyncCheckpoint: sync-checkpoint reset to %s\n", hashSyncCheckpoint.ToString().c_str());
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    void AskForPendingSyncCheckpoint(CNode* pfrom)
+    {
+        LOCK(cs_hashSyncCheckpoint);
+        if (pfrom && hashPendingCheckpoint != 0 && (!mapBlockIndex.count(hashPendingCheckpoint)) && (!mapOrphanBlocks.count(hashPendingCheckpoint)))
+            pfrom->AskFor(CInv(MSG_BLOCK, hashPendingCheckpoint));
+    }
+
+    bool SetCheckpointPrivKey(std::string strPrivKey)
+    {
+        // Test signing a sync-checkpoint with genesis block
+        CSyncCheckpoint checkpoint;
+        checkpoint.hashCheckpoint = !fTestNet ? hashGenesisBlockOfficial : hashGenesisBlockTestNet;
+        CDataStream sMsg(SER_NETWORK, PROTOCOL_VERSION);
+        sMsg << (CUnsignedSyncCheckpoint)checkpoint;
+        checkpoint.vchMsg = std::vector<unsigned char>(sMsg.begin(), sMsg.end());
+
+        std::vector<unsigned char> vchPrivKey = ParseHex(strPrivKey);
+        CKey key;
+        key.SetPrivKey(CPrivKey(vchPrivKey.begin(), vchPrivKey.end())); // if key is not correct openssl may crash
+        if (!key.Sign(Hash(checkpoint.vchMsg.begin(), checkpoint.vchMsg.end()), checkpoint.vchSig))
+            return false;
+
+        // Test signing successful, proceed
+        CSyncCheckpoint::strMasterPrivKey = strPrivKey;
+        return true;
+    }
+
+    bool SendSyncCheckpoint(uint256 hashCheckpoint)
+    {
+        CSyncCheckpoint checkpoint;
+        checkpoint.hashCheckpoint = hashCheckpoint;
+        CDataStream sMsg(SER_NETWORK, PROTOCOL_VERSION);
+        sMsg << (CUnsignedSyncCheckpoint)checkpoint;
+        checkpoint.vchMsg = std::vector<unsigned char>(sMsg.begin(), sMsg.end());
+
+        if (CSyncCheckpoint::strMasterPrivKey.empty())
+            return error("SendSyncCheckpoint: Checkpoint master key unavailable.");
+        std::vector<unsigned char> vchPrivKey = ParseHex(CSyncCheckpoint::strMasterPrivKey);
+        CKey key;
+        key.SetPrivKey(CPrivKey(vchPrivKey.begin(), vchPrivKey.end())); // if key is not correct openssl may crash
+        if (!key.Sign(Hash(checkpoint.vchMsg.begin(), checkpoint.vchMsg.end()), checkpoint.vchSig))
+            return error("SendSyncCheckpoint: Unable to sign checkpoint, check private key?");
+
+        if(!checkpoint.ProcessSyncCheckpoint(nullptr))
+        {
+            printf("WARNING: SendSyncCheckpoint: Failed to process checkpoint.\n");
+            return false;
+        }
+
+        // Relay checkpoint
+        {
+            LOCK(cs_vNodes);
+            for (CNode* pnode : vNodes)
+                checkpoint.RelayTo(pnode);
+        }
+        return true;
+    }
+
+    // Is the sync-checkpoint outside maturity window?
+    bool IsMatureSyncCheckpoint()
+    {
+        LOCK(cs_hashSyncCheckpoint);
+        if (!mapBlockIndex.count(hashSyncCheckpoint))
+            return true; // no valid sync checkpoint, treat as mature
+        const CBlockIndex* pindexSync = mapBlockIndex[hashSyncCheckpoint];
+        return (nBestHeight >= pindexSync->nHeight + nCoinbaseMaturity ||
+                pindexSync->GetBlockTime() + nStakeMinAge < GetAdjustedTime());
+    }
+}
+
+// triangles: sync-checkpoint master key (DISABLED for decentralization - v5 hard fork)
+const std::string CSyncCheckpoint::strMasterPubKey = "";
+
+std::string CSyncCheckpoint::strMasterPrivKey = "";
+
+// triangles: verify signature of sync-checkpoint message
+// Master key system disabled - checkpoint signatures are no longer required
+bool CSyncCheckpoint::CheckSignature()
+{
+    // Deserialize the checkpoint data without signature verification
+    CDataStream sMsg(vchMsg, SER_NETWORK, PROTOCOL_VERSION);
+    sMsg >> *(CUnsignedSyncCheckpoint*)this;
+    return true;
+}
+
+// triangles: process synchronized checkpoint
+bool CSyncCheckpoint::ProcessSyncCheckpoint(CNode* pfrom)
+{
+    if (!CheckSignature())
+        return false;
+
+    LOCK(Checkpoints::cs_hashSyncCheckpoint);
+    if (!mapBlockIndex.count(hashCheckpoint))
+    {
+        // We haven't received the checkpoint chain, keep the checkpoint as pending
+        Checkpoints::hashPendingCheckpoint = hashCheckpoint;
+        Checkpoints::checkpointMessagePending = *this;
+        printf("ProcessSyncCheckpoint: pending for sync-checkpoint %s\n", hashCheckpoint.ToString().c_str());
+        // Ask this guy to fill in what we're missing
+        if (pfrom)
+        {
+            pfrom->PushGetBlocks(pindexBest, hashCheckpoint);
+            // ask directly as well in case rejected earlier by duplicate
+            // proof-of-stake because getblocks may not get it this time
+            pfrom->AskFor(CInv(MSG_BLOCK, mapOrphanBlocks.count(hashCheckpoint)? WantedByOrphan(mapOrphanBlocks[hashCheckpoint].get()) : hashCheckpoint));
+        }
+        return false;
+    }
+
+    if (!Checkpoints::ValidateSyncCheckpoint(hashCheckpoint))
+        return false;
+
+    auto txdb_holder = MakeChainDB(); CTxDBBase& txdb = *txdb_holder;
+    CBlockIndex* pindexCheckpoint = mapBlockIndex[hashCheckpoint];
+    if (!pindexCheckpoint->IsInMainChain())
+    {
+        // checkpoint chain received but not yet main chain
+        CBlock block;
+        if (!block.ReadFromDisk(pindexCheckpoint))
+            return error("ProcessSyncCheckpoint: ReadFromDisk failed for sync checkpoint %s", hashCheckpoint.ToString().c_str());
+        if (!block.SetBestChain(txdb, pindexCheckpoint))
+        {
+            Checkpoints::hashInvalidCheckpoint = hashCheckpoint;
+            return error("ProcessSyncCheckpoint: SetBestChain failed for sync checkpoint %s", hashCheckpoint.ToString().c_str());
+        }
+    }
+
+    if (!Checkpoints::WriteSyncCheckpoint(hashCheckpoint))
+        return error("ProcessSyncCheckpoint(): failed to write sync checkpoint %s", hashCheckpoint.ToString().c_str());
+    Checkpoints::checkpointMessage = *this;
+    Checkpoints::hashPendingCheckpoint = 0;
+    Checkpoints::checkpointMessagePending.SetNull();
+    printf("ProcessSyncCheckpoint: sync-checkpoint at %s\n", hashCheckpoint.ToString().c_str());
+    return true;
+}
--- a/Show More
+++ b/Show More