# 2-of-2 multisig

URL: https://blockspace.wiki/glossary/two-of-two-multisig/

An output that needs two signatures, from two different keys, to spend. It is the 2-of-2 case of the M-of-N signatures-required transactions of BIP 11, which lists a wallet protection service, where both the user and the service must sign, as an example of 2-of-2.

Sources:

- BIP 11: M-of-N standard transactions · https://github.com/bitcoin/bips/blob/master/bip-0011.mediawiki

Updated: 2026-10-21