Introducing OpenZeppelin Contracts v5.1

Celo Contracts Audit

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

Security Audits Solidity Token

Forta Protocol Audit

The Forta team asked us to review and audit their Forta Token smart contracts. We looked at the...

Security Audits Solidity Token

Decentralized On-Chain Security Monitoring for the DeFi Community

How Compound Finance uses OpenZeppelin Defender and Forta Agents to push alerts to the community...

Products

UMA Across V2 Audit 2022

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

Security Audits

EIP-4337 – Ethereum Account Abstraction Audit

The Ethereum Foundation asked us to review the EIP-4337 specification and a reference...

Security Audits Solidity EIP

Announcing OpenZeppelin Contracts for Cairo

OpenZeppelin Cairo Contracts library version 0.1.0, built for StarkNet, is now available.

Products Ecosystem

Getting started with OpenZeppelin Contracts for Cairo

In this article we will provide you with a 0-to-1 tutorial as well as a brief introduction to some...

Products Ecosystem

$15B Rugpull Vuln. in Convex Finance protocol Uncovered and Resolved

Anonymous team at Convex Finance collaborates with OpenZeppelin to secure the DeFi protocol and...

Security Insights Zero-Day Vuln

ANZ Bank's $30 million stablecoin transaction secured by OpenZeppelin

Transaction of A$DC token worth A$30 million secured by OpenZeppelin audit and technology.

Security Insights Financial Institution

Compound Comprehensive Protocol Audit

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

Security Audits Solidity Lending Governance Zero-Day Vuln

Compound TUSD Integration Issue Retrospective

During a comprehensive audit of the Compound Finance protocol, OpenZeppelin reviewed a...

Announcements Solidity Lending

Introducing a New Comprehensive Smart Contract Audit Readiness Guide

We are pleased to release a new Comprehensive Audit Readiness Guide, which is intended to provide...

Announcements