Security audits that protect blockchain ideas


On-chain TVL secured


Vulnerabilities patched

We work with leading teams across multiple blockchains to provide a holistic and collaborative approach to security.



See why teams trust OtterSec

We recognize the importance of community in the blockchain ecosystem and strive to engage with projects beyond the audit to build lasting relationships.

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    Image of Solana Foundation

    "As a blockchain, speed, scalability, and security are critical to our everyday operations. OtterSec's responsiveness, attentiveness, and talent are second-to-none when it comes to securing Solana's core code."

    Image of Dominic Tsang

    Dominic Tsang

    Solana Foundation

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    Image of Sui Foundation

    "Strong security builds trust across the Sui network. That’s why we partnered with OtterSec, a reputable, fast, and community-oriented company that ensures trust by engaging with both our online and live events."

    Image of Brian H.

    Brian H.

    Sui Foundation

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    Image of Banyan Collective

    "OtterSec has a spotless record with a reputation for finding critical vulnerabilities, recruiting the brightest talent in the world, & being online when it matters the most. Absolutely proud to have them be a reliable partner in the NEAR Ecosystem!"

    Image of Cameron Dennis

    Cameron Dennis

    Banyan Collective

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    Image of Algorand

    "Working with OtterSec on critical audits has been a great experience. It’s clear OtterSec cares deeply about customer satisfaction and the security of our protocols. Their communication and flexibility was refreshing."

    Image of John Woods

    John Woods


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    Image of Squads

    "Having OtterSec as a security partner has been a fantastic experience for us. They are diligent, fast, creative and very responsive. Basically everything one could ask from a security audit firm."

    Image of Stepan Simkin

    Stepan Simkin


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    Image of Jet Protocol

    "From the start they were attentive, accessible, demonstrated strong understanding of the Solana programming model, and were quick to produce results. We've engaged with them again on a subsequent audit."

    Image of Will Barnes

    Will Barnes

    Jet Protocol

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    Image of OlympusDAO

    "Working with OtterSec has been a pleasure. Fast, responsive, effective and cost-efficient. Not much more you can ask for."

    Image of Indigo



  • Blue spotlight image background
    Image of Backpack

    "OtterSec is one of the strongest auditors on Solana. Fast, thorough, and a joy to work with. They are the best in the business and I can’t recommend them enough."

    Image of Armani Ferrante

    Armani Ferrante


Past audits

Deep dive into our past reports


Vulnerabilities patched


Projects audited


Why OtterSec?

When it comes to blockchain security, we've got you covered

Various layer-1 blockchain logos

Deep multichain expertise

As a trusted ecosystem partner of Layer 1s like Solana, Sui, Near, and Aptos, we’re well versed in various chains.

OtterSec in a community with blockchain protocols

Community-driven approach

We go beyond the audit to partner with clients at IRL events and initiatives to engage and support our communities.

Photo of OtterSec CEO, Robert Chen, speaking on a stage

Focused on communication

We check in with regular updates throughout the auditing process to make sure you’re always up to date on progress.

Photo of OtterSec CEO, Robert Chen, giving a presentation

Trusted industry leaders

With our experience auditing DeFi protocols and core foundation code, we’re ready to tackle whatever your security needs are.


We are white hat hackers

Our team is comprised of seasoned professionals with extensive experience in blockchain technologies and cybersecurity, ensuring the utmost trust and reliability while safeguarding your digital assets.

View our team

Protect your protocol


On-chain TVL secured


Vulnerabilities patched

Don't leave your protocol unprotected — reach out to our team of experts to start discussing a security audit.