Security & Risk
Also: multi-signature, multisig wallet
Multisig
A wallet requiring multiple private key signatures to authorize a transaction, reducing single points of failure.
A multisignature (multisig) wallet requires M-of-N signatures from designated key holders before a transaction can execute — for example, 3-of-5 signers must approve. This eliminates single points of failure: one compromised key cannot drain the wallet. Multisig is widely used for DAO treasuries, protocol admin keys, and institutional custody. Gnosis Safe is the dominant multisig implementation on EVM chains.