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 Optimistic Governor contract is meant to control an "avatar" that complies with the Gnosis...

Security Audits Solidity Governance

The scope of this audit relates to a collaborative work between two protocols from different...

Security Audits Solidity

Venus SwapRouter is a tailored adaptation of the PancakeSwap V2 PancakeRouter which broadens the...

Security Audits Solidity

The Venus protocol is a lending and borrowing solution on the Binance Smart Chain. As part of this...

Security Audits Solidity oracle

The Flexible Voting system developed by ScopeLift allows delegates to split their voting weight...

Security Audits Solidity Governance

The changes to the existing OUSD vault codebase introduce support for OETH, which is deployed...

Security Audits Solidity Stablecoin

The security review of ink! and cargo-contract has been deemed successful, and no critical issues...

Security Audits

This audit focuses on the latest changes to the bootloader, described in our previous audit, the...

Security Audits L2's Solidity

zkSync Era is a permissionless general-purpose ZK rollup that operates similarly to L1 blockchains...

Security Audits Solidity Rollup

EIP-4337 is a specification to add account abstraction functionality to the Ethereum mainnet...

Security Audits Solidity EIP

OpenZeppelin recently audited Compound's Polygon Bridge Receiver and here we publish the results.

Announcements Security Audits Solidity Bridge

UMA's OptimisticAsserter contract uses the same incentive mechanism as the Optimistic Oracle to...

Security Audits Solidity oracle