Multisig, short for multisignature, is a security feature that requires two or more people to approve a cryptocurrency transaction. Instead of relying on a single private key, multisig wallets distribute control among multiple users. For example, in a 2-of-3 setup, two out of three keys must approve a transaction for it to go through.
This setup reduces the risk of theft, fraud, or accidental loss since no single person can act alone. It’s widely used by crypto businesses, exchanges, DAOs, and individuals managing large amounts of crypto. Multisig adds a layer of trust and safety — especially when money is shared or managed by a group.
