Multi-sig refers to a digital signatureA digital signature is a cryptographic mechanism designed to provide proof of authority and authenticity in electronic form. In blockchain... type that combines multiple unique digital signatures into a single joint digital signature. A multi-sig facilitates the signing of digital documents or cryptocurrencyCryptocurrency is decentralized digital currency secured by cryptography. Cryptocurrency utilizes cryptographic protocols to record ownership and prevent counterfeits (when ownership... transactions using the collective digital signatures of two or more users.