Bitcoin Articles

BIP 149 guide covering its closed second SegWit deployment, guaranteed lock-in, BIP 8 framing, NODE_UAWITNESS, contingency dates and historical outcome.

BIP 154 guide covering its closed peer-specified proof-of-work slots, anti-DoS goals, algorithm negotiation, hardware fairness, Sybil limits and testing.

BIP 135 guide covering its closed configurable signalling windows, thresholds, lock-in periods, BIP 9 relationship, governance limits and testing.

BIP 199 guide covering its closed HTLC template, hash preimages, buyer refunds, absolute and relative timeouts, branch validation and operational risks.

BIP 173 guide covering Bech32 structure, native SegWit v0, checksum and case rules, network prefixes, QR benefits, recovery and BIP 350.

BIP 180 guide covering its closed light-client fraud proof, transaction-size components, Merkle links, SegWit weight, threat model and limits.

Understand miner signalling vs economic consensus in Bitcoin: what version bits communicate, what full nodes enforce and how pools should manage activation risk.

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.

BIP 171 guide covering its closed HTTP exchange-rate API, XBT pairs, authentication, TLS, signatures, freshness, provider trust and decimal safety.

BIP 118 guide covering its Draft Taproot design, evolving history, omitted prevout commitments, new key type, eltoo use, replay boundaries and testing.