Cyfrin

Cyfrin is a blockchain security company dedicated to bringing institutional-level smart contract security audits, tools, education, and certifications to the world's most targeted protocols and organizations. Founded by industry veterans from Chainlink, the company has become a trusted name in Web3 security.

Core Services

Cyfrin delivers comprehensive blockchain security solutions through three primary platforms:

Private Smart Contract Audits: Industry-leading security audits conducted by top researchers who have secured over $40 billion in TVL. The audit process includes setup and onboarding, commit hash locking, comprehensive code review, initial and final reporting, and ongoing mitigation support.

CodeHawks Competitive Audits: A competitive audit platform where protocols benefit from access to a global network of security researchers. This crowdsourced approach provides higher scrutiny, lower cost per vulnerability, and generates community attention and trust.

Cyfrin Updraft: Blockchain developer education platform offering comprehensive courses on Solidity, Foundry, and smart contract security. The platform helps developers go from novice to expert, guided by industry-leading educators.

Solodit Security Research: A comprehensive security research platform aggregating vulnerabilities, bounties, contests, and resources from blockchain security firms. The Solodit API provides free access to over 50,000 documented smart contract vulnerabilities.

Key Strengths

World-Class Team: Home to some of the market's best smart contract security researchers from backgrounds at Chainlink, Alchemy, Aragon, WorldCoin, Microsoft, and Google. Led by Patrick Collins (Co-Founder & CEO), Hans (Co-Founder & Head of Security Research), and Mike Karan (Head of Engineering).

Proven Track Record: Cyfrin has secured protocols holding over $40 billion in TVL, finding an average of 25 vulnerabilities per audit with a typical 2-week turnaround time. Trusted by major protocols including zkSync, Chainlink, MetaMask, Wormhole, Swell, Ondo Finance, Linea, and Farcaster.

Developer Tools: The company develops industry-standard security tools including Aderyn (Solidity static analyzer) and Foundry DevOps for smart contract deployment interaction.

Multi-Chain Support: Cyfrin provides security services across all major blockchain ecosystems including Ethereum, Solana, zkSync, Arbitrum, Optimism, Polygon, Base, Binance Smart Chain, and Avalanche.

Notable Clients and Projects

Cyfrin has audited critical infrastructure for leading blockchain protocols:

• zkSync Era ($500,000 audit)
• Chainlink CCIP v1.5 ($200,000 audit)
• Beanstalk DeFi protocol (multiple audits totaling $400,000+)
• MetaMask EIP-7702 implementation
• Curve Finance storage proofs
• Starknet staking contracts
• Multiple cross-chain bridge implementations

The company has completed over 50 competitive audits through CodeHawks, distributing more than $2 million in rewards to security researchers.

Why Choose Cyfrin

End-to-End Security: Cyfrin combines audit services, security tools, education, and research into a comprehensive ecosystem that minimizes redundancies and maximizes results.

Dedicated Support: Every audit includes a dedicated security team, 24/7 support, detailed reporting, mitigation assistance, and knowledge transfer to level up engineering teams.

Community Trust: Smart contract audits from Cyfrin demonstrate commitment to highest security standards, helping protocols establish trust with users and the broader Web3 community.

Educational Mission: Beyond security services, Cyfrin is committed to raising industry standards through education, having trained hundreds of thousands of blockchain developers worldwide through Updraft courses.