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 ...

If you’re familiar with Node.js, then you will be familiar with NPM (Node Package Manager). You...

Products

The purpose of this post is to update my personal vision of Zeppelin and Zeppelin’s projects, as...

Announcements

Two months ago, we presented the EVM package standard as a means to securely share on-chain...

Security Insights

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

Security Audits Solidity Token

This week started off with the finding of malicious code injected into a dependency of a popular...

Security Insights

Much has been discussed around proxy patterns and how to best achieve upgradeability in Ethereum...

Products

The Augur team and the Ethereum Foundation (through a joint grant) asked us to review and audit the...

Security Audits

Today we are excited to announce the ZEP Token Private Beta for ZeppelinOS — a network that uses...

Announcements Products

The platform for developing, deploying, and operating smart contract projects.

Announcements Products

After the fun we had with last year’s Ethernaut hacking game, we’re releasing EthHunt, a new game...

Events

The OpenBazaar team asked us to review and audit their Escrow contract, one of several in their...

Security Audits

These are great times for smart contract development. The pieces for Ethereum 2.0 are coming...

Products