EIP-4337
Ethereum StandardsUpdated: October 15, 2025
Also known as: ERC-4337, Account Abstraction Standard
Ethereum standard enabling account abstraction without protocol changes
Ethereum standard enabling account abstraction without protocol changes.
EIP-4337 introduces smart contract wallets with features like social recovery, gas sponsorship, and batched transactions without requiring changes to Ethereum's core protocol. It uses a new transaction type called "UserOperations" processed by bundlers.