Bitcoin Core and Node Operations Articles

Bitcoin Core 0.17 combinepsbt guide covering same-transaction PSBT merging, base64 inputs, metadata conflicts, signer privacy, result review and finalisation.

Bitcoin Core 0.17.0 guide covering txindex and chainstate migrations, dynamic wallets, labels, PSBT, partial-spend avoidance and guarded upgrades.

Bitcoin Core 0.16.3 release guide covering the urgent duplicate-input crash fix, vulnerable versions, signrawtransaction correction and incident-safe upgrades.

Bitcoin Core 0.16.2 release guide covering wallet timeout clamping, verifytxoutproof hardening, import checks, mining waits and guarded maintenance.

Bitcoin Core 0.16.1 release guide covering blockmaxsize removal, transaction policy, chain activation fixes, wallet compatibility and guarded node upgrades.

Bitcoin Core 0.16 walletpassphrasechange guide covering old and new secrets, rotation ceremony, backups, failure handling, verification and recovery.

Bitcoin Core 0.16 walletpassphrase guide covering in-memory decryption keys, bounded timeout, unlock override, secret entry, concurrency and immediate relock.

Bitcoin Core 0.16 walletlock guide covering removal of the encryption key from memory, unlock-window closure, wallet context, verification and custody controls.

Bitcoin Core 0.16 verifytxoutproof guide covering proof hex, active-chain requirements, returned txids, invalid proofs, confirmations and inclusion limits.

Bitcoin Core 0.16 verifymessage guide covering address, base64 signature and exact message checks, replay defence, false results and identity limitations.

Bitcoin Core 0.16 verifychain guide covering check levels zero to four, block-count scope, default checks, resource planning, false results and recovery evidence.

Bitcoin Core 0.16 validateaddress guide covering validity, network context, scriptPubKey, wallet ownership, watch-only state, witness fields and payment limits.