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Featured Post

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 ...

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Doubling Down on Open Source Tools and Phasing Out Defender
All Announcements Security Audits Security Insights Products Events Case Study
Inside ZKStack's Crosschain Architecture — Part II: Gateway Settlement & Recursive Proofs

Inside ZKStack's Crosschain Architecture — Part II: Gateway Settlement & Recursive Proofs

Deep dive into ZKStack's Gateway settlement: how ZKChains settle on other ZKChains instead of L1,...

Security Insights ZKP

Inside ZKStack's Crosschain Architecture — Part I: A Deep Dive into Merkle Tree Hierarchies

This two-part series describes the current state of the ZKChain ecosystem and its internal...

Security Insights ZKP

Oxorio SAMM Module Audit

We audited the oxor-io/samm-circuits repository at commit 240b94a and the oxor-io/samm-contracts...

ZKP Solidity Noir

ZKsync Crypto Precompile Audit

We audited pull request #77 of the matter-labs/zksync-crypto repository at commit ccf5fa3. Smart...

Security Audits ZKP Rust

ZKsync Paymaster Audit

We audited the zksync-association/zk-governance repository at commit 70011bb. Smart contract Audit.

Security Audits ZKP L2's Solidity

December Diff and Governance Audit

This system upgrade refactors existing code while also adding new contracts to the protocol.

Security Audits ZKP Solidity

Linea Bridge Audit

Linea is a ZK-rollup deployed on top of Ethereum. It is designed to be EVM-compatible and aims to...

Security Audits ZKP Solidity

Linea Verifier Audit

The Linea blockchain (L2) is a ZK-rollup on top of the Ethereum mainnet (L1). The L1 periodically...

Security Audits ZKP Solidity

Scroll GasSwap, Multiple Verifier, Wrapped Ether and Diff Audit

Scroll is an EVM-equivalent zk-Rollup designed to be a scaling solution for Ethereum. It achieves...

Security Audits ZKP Bridge Rollup

ScrollOwner and Rate Limiter Audit

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

Security Audits ZKP Solidity Bridge Rollup

Scroll USDC Gateway Audit

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

Security Audits ZKP Solidity Bridge Rollup

Scroll Phase 1 Audit

Scroll's architecture and code structure draw inspiration from other Layer 2 solutions like...

Security Audits ZKP Solidity
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