final rebranding to NYC3

doc/psbt.md

@@ -1,6 +1,6 @@
-# PSBT Howto for Bitcoin Core
+# PSBT Howto for NYC3
 
-Since Bitcoin Core 0.17, an RPC interface exists for Partially Signed Bitcoin
+Since NYC3 0.17, an RPC interface exists for Partially Signed Bitcoin
 Transactions (PSBTs, as specified in
 [BIP 174](https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki)).
 
@@ -46,7 +46,7 @@ The names above in bold are the names of the roles defined in BIP174. They're
 useful in understanding the underlying steps, but in practice, software and
 hardware implementations will typically implement multiple roles simultaneously.
 
-## PSBT in Bitcoin Core
+## PSBT in NYC3
 
 ### RPCs
 
@@ -89,10 +89,10 @@ hardware implementations will typically implement multiple roles simultaneously.
 
 ### Workflows
 
-#### Multisig with multiple Bitcoin Core instances
+#### Multisig with multiple NYC3 instances
 
 Alice, Bob, and Carol want to create a 2-of-3 multisig address. They're all using
-Bitcoin Core. We assume their wallets only contain the multisig funds. In case
+NYC3. We assume their wallets only contain the multisig funds. In case
 they also have a personal wallet, this can be accomplished through the
 multiwallet feature - possibly resulting in a need to add `-rpcwallet=name` to
 the command line in case `bitcoin-cli` is used.