Node Operations Articles

Bitcoin Core 0.19 setwalletflag guide covering avoid_reuse, rescanning, used-address classification, coin selection, warnings, rollback and wallet safety.

Bitcoin Core 0.19 getblockfilter guide covering BIP 157/158 basic filters, block hashes, filter headers, index requirements, verification and privacy.

Bitcoin Core 0.19 getbalances guide covering trusted, pending, immature, used and watch-only balances, BTC units, wallet routing and reconciliation.

Learn how Bitcoin block-relay-only connections works, what it can earn, the costs and security checks, and how a Bitcoin node can support SHA-256 miners.

Learn how Nervos CKB mining nodes works, what it can earn, the costs and security checks, and how a Nervos CKB node can support Eaglesong miners.

BIP 330 Erlay explained: see how transaction-set reconciliation, short IDs and sketches can reduce Bitcoin node announcement bandwidth.

Bitcoin Core 0.18.1 guide covering P2P and Tor fixes, PSBT and multisig correctness, pruning results, wallet GUI caveats, builds, testing and rollback.

Bitcoin Core 0.18 utxoupdatepsbt guide covering witness UTXO enrichment from chain and mempool, non-witness limits, exact PSBT identity, privacy and verification.

Bitcoin Core 0.18 submitheader guide covering block-header hex, proof-of-work and linkage checks, empty success results, errors and header-only limits.

Bitcoin Core 0.18 setlabel guide covering mutable address labels, wallet routing, reporting effects, identity separation, concurrent updates and safe use.

Bitcoin Core 0.18 listwalletdir guide covering wallet names, directory boundaries, loaded-state differences, path privacy and safe inventory checks.

Bitcoin Core 0.18 listreceivedbylabel guide covering label summaries, minconf, empty and watch-only groups, cumulative amounts and newest receipt confirmations.