The essence of seedless wallets lies in trading off higher security for user login convenience. Correspondingly, partial custody or smart contract social recovery is needed to address the risk of key loss. This article introduces several implementation methods for achieving seedless functionality, including MPC wallets, smart contract wallets, and Unipass' MPC+ smart wallet hybrid solution. Although smart contract wallets cannot directly achieve seedless functionality, their social recovery mechanism provides security for low-security key storage, aligning more with the decentralized values of Web3.