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

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

Security Audits

The Notional Finance team asked us to review and audit the governance smart contracts of their v2...

Security Audits

The Origin Protocol team asked us to review and audit their Origin Dollar smart contracts. We...

Security Audits

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

Security Audits

The Beta Finance team asked us to review and audit some of their protocol smart contracts. We...

Security Audits

Learn about strategies to consider when designing access controls in your system

Security Insights

The more DeFi layers we integrate and compose, the more careful we need to be. As the stack grows,...

Security Insights

The Alpha Finance Lab team asked us to review and audit their Homora V2 smart contracts. We looked...

Security Audits

The Graph team asked us to audit the new functionality of the Managed contract that saves on gas...

Security Audits