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 ...

A new collaborative initiative involving Tally, OpenZeppelin, Agora and ScopeLift. The goal is to...

Governance

OpenZeppelin Contracts v5.1 pushes the boundaries of cryptography, data structures, and utilities...

Announcements Solidity

We’re excited to announce that OpenZeppelin has formed a strategic alliance with Chainlink Labs,...

After a successful beta phase, we are thrilled to announce the General Availability (GA) release of...

Announcements

Earlier this year, a group of security experts from OpenZeppelin, Chainlink, Gauntlet, and the...

Case Study

With the rise of Zero-knowledge proofs as a prominent technology for blockchain privacy and...

Announcements

On Monday, December 4th, 2023 at 4 pm ET, OpenZeppelin received a security disclosure from the...

Security Insights

OpenZeppelin Contracts 5.0 is the first major release of the Solidity library since 2021, allowing...

Many projects seek to deploy their smart contracts onto multiple chains so that users can transact...

Products

OpenZeppelin has been at the forefront of smart contract security, setting industry standards...

Announcements

ERC4626, an extension of the familiar ERC20, provides a standardized interface for token vaults,...

OpenZeppelin elevates security at ETHCC events by presenting advancements in securing the Ethereum...

Events