Introducing OpenZeppelin Contracts v5.1

UMA DVM 2.0 Audit

The UMA Data Verification Mechanism (DVM) is the ultimate source of truth in the oracle and...

Security Audits Solidity Governance oracle

zkSync Layer 1 Audit

This first security assessment for zkSync 2.0 was prepared by OpenZeppelin, as part of an ongoing...

Security Audits Solidity Rollup

Origin Dollar Audit

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

Security Audits Solidity Stablecoin

Neptune Mutual Audit

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

Security Audits

Bancor Compounding Rewards Audit

Given the relatively small scope of this audit with respect to the size of the entire project, we...

Security Audits Dex Solidity

Coinbase Liquid Staking Token Audit

The Coinbase team engaged us to review and audit their Wrapped tokens project. We looked at the...

Security Audits

Freeverse Crypto Payments Audit

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

Security Audits Solidity Payments

Across Token and Token Distributor Audit

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

Security Audits Solidity Token

UMA Optimistic Governor Audit

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

Security Audits Solidity Governance oracle

Compound III Audit

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

Security Audits Solidity Lending

Origin Governance Audit

The OpenZeppelin team audited a governance system for OriginProtocol. The contracts allow users to...

Security Audits Solidity Governance

Freeverse Payments Contract Audit

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

Security Audits Solidity Payments