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HomeAudits
Services

SERVICES

Private Audits
Industry-leading smart contract security services.

Open Audits
Compete, hack and win prizes.

Education
Learn how to build Web3 products and audit smart contracts.

Research Platform
The ultimate security research tool

Video tutorials
Get up and running on new features and techniques.

Documentation
All the boring stuff that you (hopefully won’t) need.

Careers
We're hiring!
We’re always looking for talented people. Join our team!

SUPPORTED CHAINS

Ethereum
zkSync
Arbitrum
Optimism
Polygon
Base
Binance
Avalanche
Solana

LATEST CASE STUDIES

Fortifying the security of Oku Trade Uniswap v3 and Chainlink based on-chain
limit orders
DeFi
Uniswap
Chainlink
Read case study


How to get started
Jump right in — get an overview of the basics and get started on building.
Watch video

Advanced features
Once you’re ready, learn more about advanced analytics, features and shortcuts.
Watch video
All case studies

Resources

RESOURCES

Case Studies
Learn how our customers are making big changes.

Blog
The latest industry news, updates and info.

Documentation
Learn about our tools and technology

Newsletter
Stay up to date with the latest news.

Public Reports
Check out our public security records.

About Us
Learn about our team and our mission.

Video tutorials
Get up and running on new features and techniques.

Documentation
All the boring stuff that you (hopefully won’t) need.

Careers
We're hiring!
We’re always looking for talented people. Join our team!

SOCIALS

Twitter

Discord

YouTube

GitHub

LinkedIn

LATEST BLOG POSTS

What is a Blockchain Beacon Chain: The Foundation for Ethereum 2.0
Read post

What are Tokenized Assets? Crypto RWAs Explained
Read post

What is EIP-4844? Proto-Danksharding and Blob Transactions Explained
Read post

Proof of Stake (PoS) Vs Proof of Work (PoW) - The Full Comparison
Read post


How to get started
Jump right in — get an overview of the basics and get started on building.
Watch video

Advanced features
Once you’re ready, learn more about advanced analytics, features and shortcuts.
Watch video
All blogs

Request an audit




WORLD-CLASS SMART CONTRACT SECURITY AUDITS, TOOLS AND EDUCATION

We bring world-class smart contract audits, tools, and education to hundreds of
thousands of users, partners, and blockchain protocols.
Learn about our audits
Request an audit

Trusted by the biggest protocols and chains


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.
See our case studies
Request an audit

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 smart
contract audits performed by top world auditors and our community.
Go to CodeHawks

Web3 Education
Cyfrin Updraft helps the best blockchain engineers land their jobs. Level up
your career guided by industry-leading educators.
Go to Updraft
Security Research Tool
Solodit is a comprehensive platform aggregating security vulnerabilities,
bounties, contests, and resources from many blockchain security firms.
Go to Solodit

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 smart contract audits and how we've helped
secure tens of billions of dollars across blockchains and protocols.
Enhancing the security of Oku Trade on-chain limit orders.
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
Read case study
Explore all case studies
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.
Patrick Collins
Co-Founder & CEO
Security Researcher, Educator, and Smart Contract Engineer

Alex Roan
Co-Founder & CTO
Former Lead Smart Contract Engineer at Chainlink

Hansfriese
Co-Founder & Audit Manager
Co-founder and Head of security research

Mark Scrine
Chief Sales Officer
Former Business Lead at Chainlink

Vitto Rivabella
Head of Go-to-Market
Former Lead Developer Relations at Alchemy, Educator, and Angel Investor

Don Dodge
Advisor, Investor, Boardmember
Former developer relations at Google, Microsoft, Altavista, Napster

Learn more about Cyfrin


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.

Our auditing process
Request an audit
Support
FAQs
Can’t find an answer? Join our Discord or follow us Twitter.
Discord

Twitter
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cursus id rutrum lorem imperdiet. Nunc ut sem vitae risus tristique posuere.

What is Cyfrin?


Cyfrin is a smart contract auditing and research company, building state of the
art security tools while helping world's biggest protocols secure their codebase
and users.

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cursus id rutrum lorem imperdiet. Nunc ut sem vitae risus tristique posuere.

What is a smart contract audit?


A smart contract audit involves a team of security experts performing a detailed
analysis of a protocol, system or contract's code to identify and correct
security issues, potential exploiting vectors, and inefficient coding to enhance
its security.

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How can I partner with Cyfrin to audit my protocol or codebase?


Our team of experts will be happy to guide you through every and each step of
the process. To start, please fill up our contacts form.

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cursus id rutrum lorem imperdiet. Nunc ut sem vitae risus tristique posuere.

How long do audits take?


Security review timelines vary based on the codebase complexity, scope, and type
of support requested by a protocol's team. For a full rundown of our timelines,
costs, and details, and get guidance about the whole auditing process, please
get in touch with one of our experts filling up our contact form.

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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim
in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor
interdum nulla, ut commodo diam libero vitae erat. Aenean faucibus nibh et justo
cursus id rutrum lorem imperdiet. Nunc ut sem vitae risus tristique posuere.

How much does a security review cost?


Security review costs vary based on the codebase complexity, scope, and type of
review requested by a protocol's team. For a full rundown of our timelines,
costs, and details, and get guidance about the whole auditing process, please
get in touch with one of our experts filling up our contacts form.

This is some text inside of a div block.


Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim
in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor
interdum nulla, ut commodo diam libero vitae erat. Aenean faucibus nibh et justo
cursus id rutrum lorem imperdiet. Nunc ut sem vitae risus tristique posuere.

What is a competitive audit?


A smart contract auditing competition or open audit is a special type of
security reviews offering the highest level of scrutiny for your codebase. A
community of security researchers reviews a given codebase to identify
vulnerabilities, inefficiencies, and any other potential issues. These auditors
compete against each other to find as many issues as possible, and they are
rewarded based on the significance and quality of their findings.

Stay on the bleeding edge of security
Carefully crafted, short smart contract security tips and news freshly delivered
every week.
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