Introducing OpenZeppelin Contracts v5.1

Introducing OpenZeppelin Governor

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

Announcements Products

Smart Contract Security Guidelines #2: Strategies for Secure Access Controls

Learn about strategies to consider when designing access controls in your system

Security Insights

Smart Contract Security Guidelines #1

The more DeFi layers we integrate and compose, the more careful we need to be. As the stack grows,...

Security Insights

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

Fei Protocol Audit – Phase 2

The Fei Protocol team asked us to review and audit updates to their protocol smart contracts. This...

Security Audits Solidity Governance

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

OpenZeppelin Contracts 4.2

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

Products

Deploying More Efficient Upgradeable Contracts

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

Products

Developers Can Now Register and Manage Chainlink Keeper Jobs with OpenZeppelin Defender

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

Products