Smart Contract & ZK Security Audits

yAudit delivers comprehensive smart contract and zero-knowledge security auditing for Web3 protocols, combining resident expert auditors with an innovative fellowship-based model that brings depth and breadth of coverage to every engagement.

Service Overview

yAudit conducts thorough security reviews covering architecture analysis, smart contract logic vulnerabilities, cryptographic implementations, and integration risks across DeFi protocols. With 58+ audits completed in 2024, over $2.1 billion TVL secured, and 500+ critical vulnerabilities identified, yAudit has established itself as a leading security partner for Ethereum-based protocols including Curve Finance, Yearn Finance, Euler, Centrifuge, and Olympus DAO.

What's Included

• Smart Contract Security Audits: Comprehensive code reviews of Solidity and EVM-compatible contracts with severity-classified findings (critical, high, medium, low, informational), proof-of-concept exploits, and remediation recommendations
• Boosted Audits: Resident expert auditors combined with 50+ additional security researchers (fellows) reviewing the codebase simultaneously — the breadth of a bug bounty contest delivered through a single professional engagement
• ZK Security Audits: Specialized auditing of zero-knowledge circuits (zkSNARKs, zkSTARKs), proof system correctness and soundness, zkEVM security, and ZK applications such as zkEmail and zkTLS — supported by an Ethereum Foundation grant
• Publicly published audit reports at reports.yaudit.dev for full transparency

Why Choose yAudit

yAudit combines boutique security firm thoroughness with the scale of a competitive audit contest. The firm's fellowship program — 8 completed cohorts with 147+ fellows graduated — creates a pipeline of elite researchers unavailable elsewhere, reflected in a 78% return customer rate.