Bitcoin Core and Node Operations Articles

Bitcoin Core 0.21 Tor v3 guide covering BIP 155 address relay, listenonion migration, key files, permissions, reachability, rollback and privacy tests.

Bitcoin Core 0.21 startupnotify guide covering readiness semantics, shell execution, permissions, idempotency, service orchestration, failure handling and tests.

Bitcoin Core 0.21 descriptor wallet guide covering experimental status, explicit scripts, IsMine, imports, watch-only policy, SQLite, multisig limits and migration.

Bitcoin Core 0.21 -netinfo guide covering detail levels, peer and network RPC inputs, privacy-safe diagnostics, snapshot limits, monitoring and incident evidence.

Bitcoin Core 0.21 upgradewallet guide covering explicit versions, generated keys, backup rotation, result fields, compatibility testing and rollback planning.

Bitcoin Core 0.21 send RPC guide covering its experimental contract, outputs, inputs, sat/vB fees, watch-only use, PSBT mode, broadcast control and verification.

Bitcoin Core 0.21 psbtbumpfee guide covering wallet and mempool prerequisites, sat/vB fees, change handling, replacement policy, PSBT review and signing.

Bitcoin Core 0.21 importdescriptors guide covering descriptor checksums, timestamps, ranges, active and internal flags, rescans, partial results and backups.

Bitcoin Core 0.21 getindexinfo guide covering named indexes, synced status, best block height, absent results, chain-tip comparison, monitoring and safe gating.

Bitcoin Core 0.21 generateblock guide covering custom ordered transactions, address or descriptor rewards, mempool txids, raw transactions, validation and isolation.

Bitcoin Core 0.21 guide covering anchor peers, compact-filter serving, Signet, wtxid relay, experimental descriptor wallets, SQLite, new RPCs and safe rollback.

Learn how Bitcoin Signet mining works, what it can earn, the costs and security checks, and how a Bitcoin node can support SHA-256 miners.