ERC-4337 Account Abstraction Abandon traditional EOA external accounts, adopt smart contracts as user wallets to enable social recovery, batch transactions, gas sponsorship and other customizable features.
2.
Paymaster A fee escrow account managed by project parties. It verifies permissions and covers on-chain gas fees for end users, enabling frictionless zero-fee user interactions.
3.
MPC Multi-party Computation Signature Decentralized distributed signature solution with no private key custody, balancing top-tier security and convenient login experience.