Doubling Down on Open Source Tools and Phasing Out Defender

OpenZeppelin is doubling down on open source development tools by sunsetting Defender and releasing production-ready open source Relayers and Monitor. Discover new features, and our expanded open ...

All Security Audits Security Insights

Origin Dollar (OUSD) is an ERC-20 compliant stablecoin backed by USDT, USDC, and DAI. Users can...

Security Audits

The main purpose of the system is to provide parametric insurance products with focus on covering...

Security Audits

The OpenZeppelin security services team audited the crypto-payments project of the Freeverse team....

Security Audits

The UMA team asked us to review and audit their Optimistic Governor contract. This aims to allow...

Security Audits

The UMA team asked us to review and audit their Across Token and Token Distributor repository. The...

Security Audits

The Celo team asked us to review and audit Release 7 smart contracts. We looked at the code and now...

Security Audits

The Celo team asked us to review and audit Release 7 smart contracts. We looked at the code and now...

Security Audits

The Freeverse team asked us to review and audit their NFT marketplace. We looked at the code and...

Security Audits

The UMA Across system provides a mechanism that, in effect, allows users to send funds between all...

Security Audits