Bitcoin Articles

Bitcoin Core 0.20 generatetodescriptor guide covering regtest mining, block count, output descriptors, maxtries, hashes, permissions and deterministic tests.

Bitcoin Core 0.20 guide covering BIP61 removal, bech32 defaults, PSBT changes, RPC whitelists, asmap, platform requirements, known build issues and rollback.

Learn how Bitcoin ASMap mining nodes works, what it can earn, the costs and security checks, and how a Bitcoin node can support SHA-256 miners.

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.

Bitcoin Core 0.19.1 guide covering wallet reuse fixes, listsinceblock conflicts, PSBT bounds, block-filter startup, ZMQ, RISC-V and safe rollback.

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

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.

Bitcoin Core 0.19 blockfilterindex guide covering BIP 158 filter creation, background sync, disk use, local RPC access, validation, monitoring and rollback.

Bitcoin Core 0.19 setwalletflag guide covering avoid_reuse, rescanning, used-address classification, coin selection, warnings, rollback and wallet safety.