Bitcoin Protocols and BIPs Articles

BIP 129 BSMS guide covering its Complete status, coordinator and signer roles, two-round setup, key records, descriptor templates, proofs, encryption and tests.

BIP 338 guide covering its Closed status, disabletx proposal, block-relay-only connections, version-message limits, negotiation, compatibility and successor context.

BIP 88 guide covering its Complete informational status, path constraints, alternatives, ranges, hardened markers, matching, parsing and wallet recovery safety.

BIP 85 guide covering its Deployed informational status, hardened paths, HMAC-SHA512 transformation, application indexes, backup concentration and test vectors.

BIP 87 guide covering its Complete application status, m/87 hierarchy, descriptors, accounts, receiving and change branches, gap limit, backups and recovery.

BIP 339 wtxid relay explained: see why witness-aware transaction identifiers improve Bitcoin peer announcements, requests and rejection handling.

Bitcoin Taproot added Schnorr signatures and new spending rules. Learn key paths, script paths, privacy limits, wallet support and what changed in simple English.

BIP 340 guide covering 64-byte Schnorr signatures, x-only public keys, tagged hashes, nonce safety, batch verification, Taproot deployment and testing.

Taproot annex explained from BIP341: learn how the 0x50 witness element is detected, signed, charged transaction weight and reserved for upgrades.

BIP 119 guide covering its Draft soft-fork status, transaction-template hash, OP_NOP4 semantics, covenant uses, validation costs, risks and safe evaluation.

BOLT 12 Offers explained: learn how reusable offers request unique invoices through onion messages, blinded paths, TLVs and payer proofs.

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