diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d3200e..3836949 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ if(POLICY CMP0167)
 endif()
 
 project(Triangles
-    VERSION 5.7.8.0
+    VERSION 5.7.9.0
     DESCRIPTION "Cryptographic Triangles Wallet"
     LANGUAGES C CXX
 )
diff --git a/src/clientversion.h b/src/clientversion.h
index e22d33d..2bbd8fe 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -8,7 +8,7 @@
 // These need to be macros, as version.cpp's and triangles-qt.rc's voodoo requires it
 #define CLIENT_VERSION_MAJOR       5
 #define CLIENT_VERSION_MINOR       7
-#define CLIENT_VERSION_REVISION    8
+#define CLIENT_VERSION_REVISION    9
 #define CLIENT_VERSION_BUILD       0
 
 // Converts the parameter X to a string after macro replacement on X has been performed.
diff --git a/src/main.cpp b/src/main.cpp
index 294576d..a159d71 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -247,7 +247,7 @@ static bool AddHeaderSyncNode(const CBlock& header, const uint256& hashHeader)
         return false;
     }
 
-    if (header.GetBlockTime() > FutureDrift(GetAdjustedTime()))
+    if (header.GetBlockTime() > GetTime() + 15 * 60)
     {
         printf("IBD-DIAG: header rejected (future time) hash=%s time=%u\n",
             hashHeader.ToString().substr(0,20).c_str(), header.nTime);
@@ -2829,8 +2829,14 @@ bool CBlock::CheckBlock(bool fCheckPOW, bool fCheckMerkleRoot, bool fCheckSig) c
     if (fCheckPOW && IsProofOfWork() && !CheckProofOfWork(GetHash(), nBits))
         return DoS(50, error("CheckBlock() : proof of work failed"));
 
-    // Check timestamp
-    if (GetBlockTime() > FutureDrift(GetAdjustedTime()))
+    // Check timestamp: reject blocks obviously too far in the future.
+    // Use a generous 15-minute window from the raw system clock.
+    // GetAdjustedTime() is NOT used here because it incorporates peer-reported
+    // time offsets that differ between Tor nodes, causing nondeterministic
+    // block rejection — the primary cause of persistent chain splits.
+    // The deterministic timestamp checks in AcceptBlock (median-time-past,
+    // prev-block-time with 3-min drift) still enforce tight rules.
+    if (GetBlockTime() > GetTime() + 15 * 60)
         return error("CheckBlock() : block timestamp too far in the future");
 
     // First transaction must be coinbase, the rest must not be