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World-class smart contract security audits, tools and education

We bring world-class smart contract security audits, tools, and education to hundreds of thousands of users, partners, and blockchain protocols.
Trusted by the biggest protocols
Private Audits

We’re helping secure over $10B of DeFi TVL

Cyfrin helps secure some of the top protocols and organizations in DeFi. We combine top leading researchers to enhance the security of our customers and their users.
Enhance the security of your protocol
Trusted by the world's biggest protocols, we only involve lead researchers for the highest security standards.
Level up your engineering team
Our security engineers will work with your team to improve your code to the best security practices.
Establish trust with your users
Smart contract audits are vital in communicating maturity and safety to your users.
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Supported Chains

Bringing security to every chain

Our Platforms

Securing the blockchain ecosystem, one platform at a time

We’re reshaping the blockchain security landscape with advanced tools and platforms, serving thousands of developers and protocols every day.
Competitive Audits Platform
CodeHawks helps protect protocols, users, and funds through competitive audits performed by top world auditors and our community.
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Web3 Education
Cyfrin Updraft helps the best blockchain engineers land their jobs. Level up your career guided by industry-leading educators.
Security Research
Solodit is a comprehensive platform aggregating security vulnerabilities, bounties, contests, and resources from many blockchain security firms.
Cyfrin Tools

Improving the industry's developer experience

We create industry-standard, secure, and highly performant smart contract security tools for developers and protocols.
Aderyn
Automatically analyse your codebase and find vulnerabilities in an easy-to-digest format.
Learn more
CCIP Testing Suite
A collection of contracts and tests to enhance the security of CCIP based protocols.
Learn more
Foundry Devops
Interact with previous contract deployments inside a Foundry environment.
Learn more

The blockchain security problem

More than $2B is stolen every year from on-chain protocol hacks.
We're here to solve this.
120+
Projects hacked
Every year, hundreds of protocols get hacked. The majority, had never been properly audited.
10+
Avg number of bugs in smart contracts
Every protocol on any chain can be the target of exploits. Security is an interoperable standard.
$1B+
TVL stolen
DeFi protocols suffer millions of dollars in losses to exploits every year due to insufficient security practices.
30+
Cross-chain protocols hacked
Every year tens of cross-chain protocols get hacked, uncovering the needs for outstanding security standards
Our mission

We’re on a mission to secure the future of finance

Cyfrin is committed to bringing industry-leading smart contract security audits and education to our partners, their projects, customers, and developers at all levels worldwide.

We're on a mission to create a secure, safe, reliable, and transparent on-chain environment for everyone.
Testimonials

We’re making protocols safer— but don’t just take our word for it

Here's a sneak peek into our previous audits and how we've helped secure tens of billions of dollars across chains and protocols.
Oku Trade
Oku Trade
It was a pleasure to work with the Cyfrin team. Their approach to security and meticulous testing is exceptionally thorough. Additionally, their intimate knowledge of the Chainlink protocol made them particularly useful for our audit.
Getty Hill, Oku Trade Founder
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Dolomite
Dolomite
After working with several auditors, Cyfrin's attention to detail and obsession over breaking our system made us feel confident they're some of the best security researchers in the industry.
Corey Caplan, Dolomite (Chainlink BUILD Program)
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DeXe DAO logo
DeXe DAO
We focused on areas where testing was weak, where integration between components was not tested very well, and where there was a great amount of complexity.
Dacian, Cyfrin Auditor
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Our team

An all-star, world-class team

Home to some of the best smart contract security researchers in the market— professionals at Cyfrin come from backgrounds like Chainlink, Alchemy, Aragon, WorldCoin, Microsoft, and Google.

Secure your protocol today

Join some of the biggest protocols and companies in creating a better internet. Our security researchers will help you throughout the whole process.
Support
FAQs
Can’t find an answer? Join our Discord or follow us Twitter.
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What is Cyfrin?
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What is a smart contract audit?
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How can I partner with Cyfrin to audit my protocol or codebase?
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How long do audits take?
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How much does a security review cost?
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What is a competitive audit?
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