
Cyfrin
Blockchain auditing company enabling web3 developers to do more.

What is Cyfrin?
Cyfrin is a blockchain security company co-founded by Patrick Collins, dedicated to enhancing the web3 developer experience. Cyfrin offers smart contract audit services that have helped secure over $40B+ of DeFi TVL, with dedicated teams of senior auditors assigned to each project. Beyond audits, Cyfrin operates an ecosystem of security and education platforms: CodeHawks for competitive smart contract audits, Updraft for blockchain developer courses covering Solidity, Foundry, and smart contract security, and Solodit as a comprehensive security research platform. Cyfrin also builds developer tools including Aderyn, a Solidity static analyzer, and Foundry DevOps for interacting with previous deployments.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

