Past Events

Smart Contract Security Guidelines #4: Strategies for Safer Governance systems

This guide focuses on showcasing battle-tested practices and recommended patterns to implement safer and more robust…

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Smart Contract Security Guidelines #3: The Dangers of Price Oracles

This guide focuses on showcasing the architecture, roles and subtleties of most popular price oracles in Ethereum, ways…

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Protect Your Users With Smart Contract Timelocks

Learn how to use OpenZeppelin’s Defender to set up and deploy timelocks.

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LATEST NEWS

Announcing OpenZeppelin Contracts for Cairo

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

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 Cairo-specific coding aspects, such as our Extensibility Pattern.

$15 Billion Rugpull Vulnerability in Convex Finance protocol Uncovered and Resolved

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

OpenZeppelin partners with ANZ Bank to help secure world’s first bank-issued stablecoin transaction

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

Compound-TUSD Integration Issue Retrospective

During a comprehensive audit of the Compound Finance protocol, OpenZeppelin reviewed a vulnerability in the cToken smart contract for TrueUSD (TUSD) previously discovered and reported to Compound…

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 any smart contract project with best practices to ensure the greatest possible benefit from a…

Safeguarding OpenZeppelin Contracts

We are pleased to announce two new security initiatives, involving partnerships with Immunefi and Certora, aimed at further enhancing the integrity and security of  OpenZeppelin Contracts.

Defender is Expanding Mainnet Access for All

By making Defender free, more projects can scale while protecting users from known and unknown security risks.

Introducing the Smart Contract Security Registry

We are proud to announce the open source Smart Contract Security Registry. Effective security not only requires continuous effort, but also timely access to critical information.

LATEST NEWS

Announcing OpenZeppelin Contracts for Cairo

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

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 Cairo-specific coding aspects, such as our Extensibility Pattern.

$15 Billion Rugpull Vulnerability in Convex Finance protocol Uncovered and Resolved

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

OpenZeppelin partners with ANZ Bank to help secure world’s first bank-issued stablecoin transaction

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

Compound-TUSD Integration Issue Retrospective

During a comprehensive audit of the Compound Finance protocol, OpenZeppelin reviewed a vulnerability in the cToken smart contract for TrueUSD (TUSD) previously discovered and reported to Compound…

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 any smart contract project with best practices to ensure the greatest possible benefit from a…

Safeguarding OpenZeppelin Contracts

We are pleased to announce two new security initiatives, involving partnerships with Immunefi and Certora, aimed at further enhancing the integrity and security of  OpenZeppelin Contracts.

Defender is Expanding Mainnet Access for All

By making Defender free, more projects can scale while protecting users from known and unknown security risks.

Introducing the Smart Contract Security Registry

We are proud to announce the open source Smart Contract Security Registry. Effective security not only requires continuous effort, but also timely access to critical information.

Our most recent security audit reports

Check out all of our audits >