A multisig wallet is a special type of wallet for securely storing your Bitcoin. 3-5 signatures are typically required to access the stored Bitcoin.
What is a MultiSig wallet?
A multisig wallet is a wallet that provides users with extra security because it requires multiple unique signatures (hence multi-signature) to authorize and execute a transaction. A traditional — or single-sig — Bitcoin wallet contains a Bitcoin address, each with one associated private key that grants the keyholder complete control over the funds.