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 ...

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

The code under review introduces a new L2 transaction type to support upgrade transactions...

Security Audits Solidity Rollup

The GnosisSafe contract is an N-of-M multisignature account with several extensible features,...

Security Audits L2's Solidity

The first scope introduces changes to the way gas is handled in Layer 2 (L2) calls. Most...

Security Audits L2's

This audit focuses on the functionality of the L1/L2 (Layer 1 / Layer 2) WETH Bridges. We found the...

Security Audits L2's Solidity

The AcceleratingDistributor contract allows users to deposit certain tokens and receive rewards in...

Security Audits Solidity

The ZkSync_SpokePool contract extends the functionality of the SpokePool contract, specifically...

Security Audits Solidity Bridge

Comet deployment to the Scroll Alpha network will hook into the community's testing framework and...

Security Audits Solidity Bridge

The Ion Protocol implements a borrowing and lending platform for liquid staking tokens (LSTs). LSTs...

Security Audits Solidity Liquid staking