📜 Contract Account Libraries

A directory of libraries for ERC-4337 contract implementations

Ethereum Foundation

The Ethereum Foundation's account abstraction team, ETH Infinitism, developed a few reference contracts as part of the development of ERC-4337.

Gnosis Safe Based

Safe (previously Gnosis Safe) is a popular smart contract wallet library that can be modified to be ERC-4337 compliant.


  • ZeroDev Kernel - A modular smart account implementation by ZeroDev. Audited in April 2023.
  • Rhinestone - Designed to have a plugin ecosystem and based on the Diamond pattern. In progress.
  • Permissive - Framework for managing on-chain authorization compatible with Rhinestone and Gnosis Safe. Early version is live.
  • Soul Wallet - Developed for Soul Wallet. In progress, expected Q4 2023.