Bitcoin Sighash Types and Multisig Malleability Resistance
Sighash type selection determines which transaction fields a signature actually commits to, and which fields remain open to mutation. The mechanism, precisely.
№ 002BitcoinBitcoin Timelocked Multisig for Inheritance Planning
Timelocked multisig scripts can serve as a Bitcoin dead-man's switch. Here are the mechanics, the design tradeoffs, and the failure modes.
№ 003BitcoinPSBT and Bitcoin Multisig: The Offline Signing Format
BIP-174's PSBT format lets distributed signers approve Bitcoin transactions independently, on air-gapped devices, with no shared online session required.
№ 004BitcoinHow Taproot Changed Bitcoin Multisig's On-Chain Footprint
Taproot made complex Bitcoin multisig wallets look identical to single-sig on-chain. Here's the exact mechanism, the tradeoffs, and what it means for privacy.