OpenZeppelin Relayers and Monitor are now Open Source

Introducing the alpha release of Open Source Relayers & Monitor for EVM networks, Solana, and Stellar. Get your hands on fully customizable, self-hosted dev tooling for secure onchain automation.

The Forta team asked us to review and audit their Forta Token smart contracts. We looked at the...

Security Audits Solidity Token

The Ethereum Foundation asked us to review the EIP-4337 specification and a reference...

Security Audits Solidity EIP

As Compound's security partner we completed a comprehensive protocol audit. We looked at the code...

Security Audits Solidity Lending Governance Zero-Day Vuln

During a comprehensive audit of the Compound Finance protocol, OpenZeppelin reviewed a...

Announcements Solidity Lending

In another round of auditing, the cLabs team asked OpenZeppelin to review and audit recent changes...

Security Audits Solidity

The 1inch team asked us to review and audit their Fixed Rate Swap smart contracts. We looked at the...

Security Audits Dex Solidity

The @UMAprotocol team asked us to review and audit a new governance proposal contract, a...

Security Audits Solidity oracle

The 1inch team asked us to review and audit their Limit Order Protocol v2 smart contracts. We...

Security Audits Dex Solidity

The UMA team asked us to review and audit their L2 bridge smart contracts for the protocol. We...

Security Audits Solidity Bridge oracle

The Optimism team is building the OVM, a fully-featured, EVM-compliant execution environment...

Security Audits L2's Solidity

The Fei Protocol team asked us to review and audit updates to their protocol smart contracts. This...

Security Audits Solidity Governance

In this audit we are taking an iterative approach where we will review individual pull requests as...

Security Audits Solidity oracle