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Featured Post

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 ...

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Doubling Down on Open Source Tools and Phasing Out Defender
All Announcements Security Audits Security Insights Products Events Case Study

Safeguarding OpenZeppelin Contracts

We are pleased to announce two new security initiatives, involving partnerships with Immunefi and...

Announcements

Defender is Expanding Mainnet Access for All

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

Announcements

Introducing the Smart Contract Security Registry

We are proud to announce the open source Smart Contract Security Registry. Effective security not...

Announcements

Protect Your Users With Smart Contract Timelocks

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

Products

Indexing Smart Contracts with OpenZeppelin Subgraphs & The Graph

Creating dense Subgraphs is one of the most important aspects of indexing on-chain information. In...

Products

How PoolTogether Automates Operations Using OpenZeppelin Defender

PoolTogether is a lossless lottery built with smart contracts using Defender to automate the award...

Products

Introducing OpenZeppelin Subgraphs

We are thrilled to announce that OpenZeppelin Contracts will be integrating The Graph’s subgraphs,...

Announcements Security Insights

Introducing the OpenZeppelin Secure Development Series

Our latest speaker series, Secure Development is aimed to help improve security practices for the...

Security Insights Products

Managing Maintenance Tasks on Chainlink Keepers Using OpenZeppelin Defender

Chainlink’s Keeper Network is a secure way to outsource contract operations to a decentralized...

Products

Backdooring Gnosis Safe Multisig wallets

Disclosure of a severe attack vector in the deployment of the popular Gnosis Safe Multisig wallet....

Security Insights Zero-Day Vuln
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