Bitcoin Core and Node Operations Articles

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.

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.

Bitcoin Core 0.18 joinpsbts guide covering distinct PSBTs, disjoint inputs, combined outputs, signature dropping, fee review, privacy and safe coordination.

Bitcoin Core 0.18 getrpcinfo guide covering its sparse versioned contract, active command timing, observability limits, access control, sampling and incident use.

Bitcoin Core 0.18 getreceivedbylabel guide covering label-based cumulative BTC receipts, minimum confirmations, default labels, wallet routing and reconciliation.

Bitcoin Core 0.18 getnodeaddresses guide covering bounded address-manager samples, timestamps, service flags, endpoints, privacy, bootstrap use and validation.

Bitcoin Core 0.18 getdescriptorinfo guide covering canonical public descriptors, ranged and solvable flags, private-key detection, checksums, versioning and safety.