Felix Wilhelm
@_fel1x
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Co-founder and CTO of @asymmetric_re
Joined November 2010
I’ve started a new security company together with @claudijd: Asymmetric Research (@asymmetric_re / ). If you are a strong security engineer or researcher interested in defending and breaking some of the biggest DeFI and Blockchain projects, we’d love to.
asymmetric.re
Asymmetric Research is a boutique security venture focused on deep partnerships with L1/L2 blockchains and DeFi protocols in an effort to keep them safe.
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RT @asymmetric_re: Join us in the Dev Cave! . Coffee, snacks, comfy seating, and a livestream of the main stage. Downstairs at @SolanaConf….
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Turn old photos into videos and see friends and family come to life. Try Grok Imagine, free for a limited time.
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RT @asymmetric_re: New blog post: An Intro to Differential Fuzzing in Rust, by @nl_gripto & @anarcheuz. It walks through building a pure-Ru….
blog.asymmetric.re
In the year 2050, a malformed JSON input lead to the complete shutdown of the Replicant P2P network. Today, we'll reproduce this bug class in ~100 lines of code.
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RT @asymmetric_re: Congrats to our travel grant recipients! 🎟️. @daisygue_ and @J4X_Security are heading to NYC next week for @SolanaConf.….
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RT @_patrickogrady: Today, I’m excited to share that @commonwarexyz is launching a continuous security program, partnering for validator op….
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RT @asymmetric_re: New blog post: Navigating Vulnerabilities in Solana CPIs, by @dooflin5. It breaks down how unchecked programs, signer pr….
blog.asymmetric.re
Cross-program invocation (CPI) is the mechanism on Solana through which one program calls another. It's used for system instruction calls, SPL token transfers, custom program execution, and even...
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RT @AdevarLabs: Adevar Labs is a new kind of audit firm: deeply focused, radically transparent, and built for high-stakes Solana projects.….
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RT @asymmetric_re: Announcing AR’s Intern Program. We’re launching an intern program that’s hands-on, high-impact, and fully remote. Looki….
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RT @asymmetric_re: We're actively hiring for a number of roles. Tackle complex security challenges with an integrity-driven team that valu….
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RT @asymmetric_re: Congrats to our friends at @doublezero on this raise and testnet beta launch! We're proud to be the first external entit….
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RT @NearBeteigeuze: "Dumpling" our JS engine differential fuzzing paper won the best paper award at #NDSSsymposium2025. .
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RT @asymmetric_re: 🔥💃 We’re now running Firedancer v0.3 on mainnet! Validators running Firedancer benefit from cutting-edge security, relia….
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RT @_patrickogrady: I tried to hire @roberto_bayardo away from Google a few years ago. While we didn’t find a way to work together then, we….
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RT @itswillis: It doesn't happen very often, but Project Zero is hiring!. Please share with anyone you think would….
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RT @asymmetric_re: As 2025 kicks off, we’re grateful for such an incredible year. From making our mark on the web3 security ecosystem to g….
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RT @asymmetric_re: Asymmetric Research is hiring ⚔️🛡️. Join our team and help tackle some of web3's toughest security challenges. More det….
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RT @asymmetric_re: Congrats to everyone who could smash the heap, cross the lake, and prove the impossible! (@smiley_ctf, @WreckTheLine, @d….
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It’s much easier to innovate when you can build on high-quality, safe, and open-source primitives. Excited to see what Patrick is building at @commonwarexyz!.
Today, I'm excited to share @commonwarexyz raised $9M from @HaunVentures, @dragonfly_xyz, and an experienced group of builders to rethink the way blockchains are built for the decade ahead. Unveiling Commonware: the Anti-Framework
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RT @asymmetric_re: New security advisories: Missing BLS12-381 Public Key Validation and BLS12-381 Wrong Signature Generation in CometBFT by….
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RT @asymmetric_re: New blog post: Ghost in the Block, an Ethereum Consensus Vulnerability, by Giuseppe Cocomazzi. Slight nuances in SSZ des….
blog.asymmetric.re
In this blog post, we will show how a small difference in SSZ deserialization between the Prysm and Lighthouse clients could have allowed an attacker to severely degrade Ethereum consensus.
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