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 ...

The system upgrade has been executed to support proto-danksharding and utilizing blob-carrying...

Security Audits L2's Solidity

The code under review introduces a new function to submit compressed layer 2 transactions using...

Security Audits L2's Solidity

The ZkTrieVerifier library consists in an implementation that defines a single method used to...

Security Audits L2's Solidity

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

Announcements L2's Rust Ecosystem

Linea is a ZK rollup that executes L2 transactions, publishes the associated data, and then proves...

Security Audits L2's Solidity

Scroll is an EVM-equivalent ZK-rollup designed to be a scaling solution for Ethereum.

Security Audits L2's Solidity

This system upgrade has been executed to support proto-danksharding and the utilization of...

Security Audits L2's Solidity

The system upgrade introduces changes to the short-term fee model.

Security Audits L2's Solidity Yul

The changes include fixes from past audits and some issues reported during the Code4rena contest.

Security Audits L2's Solidity Yul

The system upgrade introduces a new, more efficient way for the keccak256 function to work.

Security Audits L2's Solidity Yul

The system upgrade introduces two major changes to the protocol. The first major change is the...

Security Audits L2's Solidity

The system upgrade introduces changes to provide more accurate and efficient information about L2...

Security Audits L2's Solidity Yul