The Asymmetric Difference

Our mission is to be the most trusted security firm on the planet. We are the team that web3 founders turn to when the stakes couldn’t be higher.

Embedded & engaged

We believe that building in the open creates more value than proprietary patterns. Openness and transparency are core to the web3 ethos, and we work with teams who share these values. We aim to be a seamless extension of our clients’ teams, joining standups, strategy calls, and boards. This deep level of involvement keeps us focused on helping you win.

FOUNDING TEAM

AR is led by experienced industry veterans who have worked across leading organizations and advised on some of the most security-critical projects in web3.

Jonathan Claudius

CHIEF EXECUTIVE OFFICER

Jonathan Claudius has more than two decades of experience in cybersecurity with a strong track record of building and leading high-performing teams. Having held roles including Chief Security Officer at Jump Crypto, Director of Security Assurance at Mozilla, and Lead Security Researcher at Trustwae SpiderLabs, his experience spans finance, open-source technologies, incident response, product security, vulnerability research and more.

Felix Wilhelm

CHIEF TECHNOLOGY OFFICER

Felix Wilhelm is a renowned security expert with a proven track record in vulnerability research and application security. Formerly a Security Researcher at Google Project Zero and Jump Crypto, his expertise in identifying and responsibly disclosing critical web3 protocol vulnerabilities has resulted in loss avoidance of over $5B in digital assets.

Jeff Schroeder

PRINCIPAL SECURITY ENGINEER

Jeff is recognized for his in-depth expertise in web3 security and his significant contributions to the development of high-assurance validator environments. His vast experience in system security, automation, and strategic consulting demonstrates his pivotal role in driving forward-thinking cybersecurity solutions in the ever-evolving digital landscape.

Our TEAM

Asymmetric Research is built for deep, embedded partnerships. Our founders are supported by a team of engineers, researchers, and security experts who share a commitment to rigor, long-term thinking, and high-trust collaboration.

Whether we're helping a client respond to an incident or advising on roadmap decisions, our team operates with integrity, communicates without ego, and thrives in environments where the stakes are real.

45+

Team members across North America, Europe and Asia

$5B+

Potential loss avoided through responsible disclosure

10+

Ecosystems supported: Solana, Berachain, Monad, and more

Across infrastructure, research, operations, and more, each team plays a key role in helping our clients build secure, resilient systems and in shaping AR's reputation as a trusted partner.

  • Security Engineering

    Focused on deep internal code reviews, fuzzing, audit coordination, and long-term security partnerships

  • Enterprise Security

    Infrastructure, incident response, and structured security programs for high-value systems

  • Platform Engineering

    Running and building high-assurance infrastructure, from validator ops to custom platforms and internal tooling

  • Business Ops

    From ops and finance to business development, this team drives AR's growth, positioning, people, and process

  • Project Teams

    Embedded security teams supporting strategic projects like Wormhole and Firedancer, with deep expertise and day-to-day partnership

NOTES FROM
THE FIELD

Meet a few of the AR engineers. From real-world exploits to complex vulnerabilities, our team is committed to sharing knowledge to benefit the broader ecosystem.

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TROY SARGENT
solana
fuzzing
evm
cosmos
TROY SARGENT
SECURITY ENGINEER

Troy Sargent is a security engineer at Asymmetric Research. Previously, Troy performed security reviews of blockchain nodes and smart contracts and built smart contract security tooling at Trail of Bits. Currently, he is excited about the growth of adoption and advancement of fuzzing for alternative bugs classes aside from memory corruption.

Recent posts:
Corrupt Commitments: Proposer Equivocation Bug in Helix MEV Relay
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JOHN SAIGLE
evm
cryptography
solana
zk
JOHN SAIGLE
SECURITY ENGINEER

John Saigle is a hacker, writer and musician. The ordering of this set is non-deterministic, and can therefore cause a panic.


Recent posts:
Boredom Over Beauty: Why Code Quality is Code Security
X/Twitter
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JASON MATTHYSER
evm
exploit development
research
JASON MATTHYSER
SECURITY ENGINEER

Jason joins Asymmetric Research as a Security Engineer, with a background in both traditional and web3 security. His experience ranges from red teaming to vulnerability research, always keen to find interesting targets and navigate the weird and wonderful world of executing arbitrary code in undesired locations, or trying to steal money. In his free time Jason enjoys dabbling in whatever obsession is driving him, which mostly includes chess, climbing and half-finished projects he'll definitely get to.

Recent posts:
Evmos Precompile State Commit Infinite Mint
LinkedInX/Twitter
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NICK LANG
solana
fuzzing
exploit development
AI/ML
NICK LANG
SECURITY ENGINEER

Nick is currently contributing to Project Firedancer at Asymmetric Research, a pioneering initiative to develop a next-generation validator for the Solana blockchain using C. He brings with him a breadth of experience in the "traditional" security domain, as well as in blockchain security. In his free time, Nick is an avid reader of the classics, history, and political philosophy.

Recent posts:
An Intro to Differential Fuzzing in Rust
LinkedInX/Twitter
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RUSLAN HABALOV
AI/ML
exploit development
research
RUSLAN HABALOV
SECURITY ENGINEER

Ruslan is a seasoned cybersecurity expert with extensive experience in software review and vulnerability research. Prior to joining AR, he spent nearly eight years as a Senior Security Engineer at Google, where he developed deep expertise in identifying critical security flaws across complex systems.

Ruslan's work spans product security, the development of review-related tooling, and the application of machine learning to large-scale security challenges. His contributions to web3 security have resulted in the protection of millions of dollars in digital assets through responsible vulnerability disclosure.

Recent posts:
Circle's CCTP Noble Mint Bug
LinkedIn
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MAXWELL DULIN
cosmos
move
svm
MAXWELL DULIN
SECURITY ENGINEER

Maxwell "Strikeout" Dulin, a security engineer and researcher at Asymmetric Research, boasts a robust skill set in cybersecurity. For years, he audited web applications, native apps and embedded devices. Previously, he ran a conference training on glibc malloc heap exploitation. In the last two years, he has dove into the blockchain security landscape, bringing the all of his experience with him for a unique security perspective in the space. Alongside his professional achievements, he enjoys competitive dodgeball, his Christian church community, and time with his wife Vanessa.
LinkedInX/Twitter
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ANTHONY LAOU HINE TSUEI
fuzzing
exploit development
ANTHONY LAOU HINE TSUEI
SECURITY ENGINEER

Anthony Laou Hine Tsuei is a seasoned cybersecurity expert formerly with Tencent Keen Lab. Recognized as one of Microsoft's top security researchers in 2019, he specializes in uncovering vulnerabilities and bypassing mitigations in Linux and Android devices (Samsung, Xiaomi, etc.). He was a speaker at Microsoft's BlueHat conference, where he discussed his work on the Windows Subsystem for Linux V1. In his free time, Anthony enjoys reading the latest trends in Japanese Manga and watching Korean dramas.

Recent posts:
An Intro to Differential Fuzzing in Rust
LinkedIn

CAREERS

Asymmetric Research is where you’ll do the best work of your career. If you’re a strong security engineer or researcher ready to take on some of the hardest problems in web3, we want to hear from you.

Current Opportunities