Smart Contract
Audit Firm

Sec3 is a security and research firm providing bespoke audits and cutting edge security software to Web3 projects.

Combining leading academic expertise, industrial Web2 cybersecurity experience, and CTF-winning skill, Sec3 empowers protocols to scale securely.
sec3 releases the 1st Web3 native Large Language Model - OwLLM, see our blog
Just released: The world's first Open source Web3 native Large Language Model: OwLLM. Learn more here.
Trusted by Leading Protocols and Projects

Smart Contract Security Services

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Audits
Fortify your protocol with our industry-leading skills and deep expertise. From Web2 codebases to Web3 smart-contracts, DeFi to Zero-Knowledge, we’ve got you covered.
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Formal Verification
Verify your smart contracts against general and customized properties learned from previous audits, using advanced formal verification methods to mathematically prove the correctness and robustness.
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WatchTower
Monitor transactions for malicious activity in real-time using our bespoke post-deployment security software. Get alerted and halt attacks in their tracks using our 24/7 emergency tooling.
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X-Ray
Scan your code for vulnerabilities instantly against our constantly-expanding security library. Discover mistakes instantly, with minimal set-up and easy CI integration.
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OwLLM
Build the future of Web3 applications with the first ever open-source Web3 Large Language Model, trained exclusively on blockchain data.
Why Sec3?
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Work with the Best

When you work with Sec3, your protocol will be battle-tested by some of the sharpest white hats in Web3. From DeFi to GameFi, infrastructure to stablecoins, our auditing team has an exceptional record of securing protocols against malicious attacks.

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Full Stack Security

Security in Web3 is not limited to smart-contract audits; a holistic approach is required to provide your users and clients with the defense they deserve.

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Advanced Engineering

Sec3’s engineers are not only cybersecurity specialists - they also stand at the forefront of advanced fields such as machine learning and automatioOwLLM, the first ever Opensource Web3-native Large Language Model!

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Keystone Partnerships

A secure Web3 world is only possible with strong foundations. By delivering exceptional security services, Sec3 forges long-term relationships with clients that are serious about protecting their users as they build.

Our Investors