It is an open source smart contract wallet running on Fantom network, enabling the multi-signature of your crypto assets or interactions with other smart contracts. That means, it is suitable for managing funds in teams. You can set owners of the safe and a minimum number of people to approve a transaction before it can execute. This is different from a single key wallet, often referred to as an externally owned account (EOA), where a single person owns the private key and approves transactions with it.