Bitcoin Core and Node Operations Articles

Bitcoin Core 0.16.0 guide covering full SegWit wallets, Bech32, HD wallet limits, wallet directories, rescans, safe mode, RPC changes and rollback.

Bitcoin Core 0.15.1 guide covering fork-safety peer checks, stale-tip connections, block-weight mining, wallet safeguards, RPC changes and rollback.

Bitcoin Core 0.15.0.1 guide covering its custom-fee GUI startup fix, inherited chainstate conversion, estimator reset, downgrade limits and safe patching.

Bitcoin transaction fees depend on virtual size and fee-rate competition, not the amount sent. Learn estimates, confirmation targets, RBF, CPFP and fee risks.

Bitcoin Core 0.15.0 guide covering chainstate conversion, fee estimates, multiwallet RPC routing, RBF, coin-age removal, mempool control and rollback.

Learn how to consolidate Bitcoin UTXOs safely, when lower fees may help, why large inputs cost more later and how consolidation can damage wallet privacy.

Bitcoin Core 0.14.2 guide covering the miniupnpc security update, UPnP exposure, wallet rescan fixes, fee-display caveat and safe historical patching.

Bitcoin Core 0.14.1 guide covering RPC argument compatibility, SegWit mining templates, UTXO memory accounting, dbcache sizing and safe rollout.

Bitcoin Core mempool persistence guide covering its 0.14 introduction, mempool.dat, prioritisation state, startup validation, corruption and safe restart tests.

Bitcoin Core assumevalid guide covering skipped historical scripts, chainwork selection, default anchors, UTXO validation, threat model, benchmarking and rollback.

Bitcoin Core 0.14.0 guide covering assumevalid, mempool persistence, manual pruning, performance, RPC changes, fee bumping and safe historical rollout.

Bitcoin Core incrementalrelayfee guide covering BIP 125 bandwidth cost, mempool eviction, separation from minrelaytxfee and safe policy testing.