Doubling Down on Open Source Tools and Phasing Out Defender

OpenZeppelin is doubling down on open source development tools by sunsetting Defender and releasing production-ready open source Relayers and Monitor. Discover new features, and our expanded open ...

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

Security Audits

The Qiibee team asked us to review and audit their QBX Token contracts. We looked at the code and...

Security Audits

The WAX team asked us to review and audit their WAX Token contract. We looked at the code and now...

Security Audits

The process of building and managing smart contracts is often complex, time-consuming, and prone to...

Announcements

The rate of innovation in building decentralized applications is limited by the manual and...

Announcements

In A Path Toward Better Token Sales, we covered how token sales originally met a critical need in...

Security Insights

As mentioned in our Development Roadmap Part One, the smart contract industry is in urgent need of...

Announcements Products

The foundational layer of ZeppelinOS is the Kernel: an on-chain set of libraries offering common...

Announcements Products

As you are beginning with Ethereum development, and after going through some of the many excellent...

Security Insights

This is the second part of our Ethereum introduction guide. If you haven’t read part 1, I highly...

Security Insights

Two months ago I was asked to build an Ethereum web application as a work test to join Zeppelin,...

Security Insights

We’ve already discussed the technical details of ZeppelinOS and published a first draft of the...

Announcements Products