Introducing OpenZeppelin Contracts v5.1

MakerDAO Critical Vulnerability Notice

While working on an audit for the Coinbase team, we found a critical vulnerability in one of the...

Security Insights

Solo Margin Protocol Audit

The dYdX team asked us to review and audit their Solo project. We looked at the code and our...

Security Audits

Marmo Contracts Audit

The RCN team asked us to review and audit their Marmo contracts. We looked at the code and here are...

Security Audits

Centre Token Minting Contracts Audit

The Circle and Coinbase teams asked us to review and audit the minting contracts of the Centre...

Security Audits

Gas Station Network Alliance: Zeppelin & TabooKey

Zeppelin and TabooKey bringing the Gas Station Network into production will be the culmination of...

Announcements

ETHDenver 2019 Recap and Zeppelin Bounty Winners!

That’s a wrap! ETHDenver 2019 has just finished up, and while everyone is exhausted, we couldn’t be...

Events

Getting started with ZepKit

The ZeppelinOS ZepKit is designed to be a one-stop shop for getting started with developing secure,...

Products

Introducing ZepKit: the easiest way to start your (d)app

For the last few years, OpenZeppelin has been the standard for smart contract development....

Announcements Products

A new wave of applications

Few blockchain applications have real adoption. It’s a fact. Barely a few surpass the low hundreds...

Security Insights

Building Blocks

A mental shortcut for thinking about EVM packages is to compare them to a package manager such as...

Security Insights Products

Follow this quality checklist before an audit

At OpenZeppelin we help protect the core infrastructure of open and decentralized applications. I’m...

Security Insights

Testing real-world contract upgrades

Deploying to production can be a stressful experience, especially if you don’t have a proper suite...

Security Insights Products