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

Matter Labs Reveals Results of OpenZeppelin’s First zkSync 2.0 Security Audit

OpenZeppelin, a leading provider of smart contract security solutions, has announced a new...

Announcements

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

Announcing Security Solutions Partnership with Matter Labs

OpenZeppelin is pleased to announce a partnership with Matter Labs, founder of ZkSync, to act as...

Announcements

Matter Labs Reaches a Security Milestone for the Decentralized Ecosystem

A crucial part of their Fair Launch strategy calls for Web3 teams to adopt "zero-compromise...

Announcements Products

Announcing OpenZeppelin Contracts 4.8

OpenZeppelin Contracts 4.8 is now final, wrapping up the open review period. This release includes...

Products

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

Feature Announcement

A Defender environment can be defined in a YAML file and imported into another account to expand or...

Announcements

Improved Security Through Bytecode Verification

Defender now offers a bytecode validation feature for all users to check whether the on-chain data...

Products

Validate Smart Contract Storage Gaps With OpenZeppelin Upgrades Plugins

The plugins run storage gap validation checks, ensuring that developers using the OpenZeppelin...

Products

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