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 ...

We won't go into the math details of the Poseidon permutation, since you always can find more...

Security Insights L2's Rust Ecosystem

Motsu, a comprehensive unit test suite for Rust smart contracts which simplifies the process of...

L2's Rust Ecosystem

We audited the OffchainLabs/stylus-sdk-rs repository at commit 62bd831. Blockchain Infrastructure...

Rust Infrastructure Audit

OpenZeppelin and Arbitrum are joining forces in a groundbreaking partnership to introduce a new era...

Announcements L2's Rust Ecosystem

OpenBrush is an open-source smart contract library written in the Rust programming language and the...

Security Audits Rust Ink!

Today we witnessed a possible major attack on the Parity MultiSig contract. This follows a previous...

Security Audits Rust