Introducing OpenZeppelin Contracts v5.1

OpenZeppelin and Compound DAO: a Year of DAO Security Best Practices

Over the last year OpenZeppelin has supported the Compound DAO and its community as its continuous...

Announcements Solidity Lending

zkSync Layer 1 Diff Audit

zkSync is a layer 2 scaling solution for Ethereum based on zero-knowledge rollup technology. The...

Security Audits Solidity Rollup

UMA DVM 2.0 Incremental Audit

The primary focus of these modifications is on the UMA Data Verification Mechanism (DVM) 2.0...

Security Audits Solidity Governance oracle

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

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

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