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 Relayer and Monitor. Discover new features, and our expanded open ...

This guide focuses on showcasing battle-tested practices and recommended patterns to implement...

Products

This guide focuses on showcasing the architecture, roles and subtleties of most popular price...

Products

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

Products

This new release includes a modular system of contracts for on-chain governance, based on...

Products

Next Generation Smart Contract Governance: We are pleased to announce OpenZeppelin Governor, a...

Announcements Products

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

Products

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

Products

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

Security Insights Products

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

Products

This release introduces our latest work on governance contracts, gas cost reductions, new helper...

Products

Upgradeable contracts allow us to alter a smart contract to fix a bug, add additional features, or...

Products

We are excited to announce integrated support for the Chainlink Keepers Open Beta directly within...

Products