Bitcoin Improvement Proposals Articles

Compare a Bitcoin chain split vs hard fork, including temporary forks, incompatible rule sets, replay concerns, pool failover and miner revenue risk.

BIP 159 pruned nodes made simple. See what the proposal changes, its current status and what it means for Bitcoin users and operators.

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.

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.

BIP 104 guide covering its closed hard-fork block-size adjustment, 75% target, retarget periods, miner incentives, oscillation risks and deployment.