Introducing OpenZeppelin Contracts v5.1

Compound Case Study: How Compound Secures its Protocol and Users

Compound Finance is a permissionless lending protocol that “enables supplying of crypto assets as...

Case Study Solidity Lending

How OpenZeppelin Foiled a Catastrophic Hack in a Compound Wargame Simulation

Earlier this year, a group of security experts from OpenZeppelin, Chainlink, Gauntlet, and the...

Case Study

Beefy Zap Audit

BeefyZapRouter serves as a versatile intermediary designed to execute users' orders through routes...

Security Audits Dex Solidity

ZK-SNARKS & The Last Challenge Attack: Mind Your Fiat-Shamir!

OpenZeppelin recently identified a critical vulnerability during an audit of Linea‘s PLONK...

Security Insights

Announcing the OpenZeppelin Zero Knowledge Proofs (ZKP) Practice

With the rise of Zero-knowledge proofs as a prominent technology for blockchain privacy and...

Announcements

Arbitrary Address Spoofing Attack: ERC2771Context Multicall Public Disclosure

On Monday, December 4th, 2023 at 4 pm ET, OpenZeppelin received a security disclosure from the...

Security Insights

AVA Teleporter Audit

The Teleporter messenger creates a user-friendly layer to send arbitrary messages between subnets...

Security Audits Solidity

Incident Response: Stop Loss of Funds with an Organized Approach

The primary goal of any blockchain security mechanism is to limit the loss of funds. The ongoing...

Announcements

Smart Contracts & Incident Response: Insight on Current Mechanisms

Weekly attacks on smart contracts in the blockchain industry have proven one thing: Audits...

Announcements

OpenBrush Contracts Library Security Review

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

Security Audits Rust Ink!

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