Multi-signature (multisig) wallets require more than one approval to move funds. On Bitcoin, classic multisig uses scripts like m-of-n with P2SH or P2WSH; newer Taproot-era schemes such as MuSig2 and FROST can aggregate multiple approvals into a single Schnorr signature for better privacy and lower fees. On Ethereum and EVM chains, multisig is implemented in smart contracts such as Safe,…
