Jonathan Claudius is a security researcher and entrepreneur who co-founded Asymmetric Research, a specialized firm focused on Web3 and blockchain security. Jonathan Claudius's Twitter Score is 37 out of 1000 as of August 2026, ranking #25,176 (top 10%) among 483,944 tracked accounts.
Jonathan Claudius serves as CEO of Asymmetric Research, which he co-founded after previously working at Jump Crypto as Chief Security Officer, where he built a Web3 security team during his first 18 months, a team that ultimately led to the firm's formation. Asymmetric Research serves L1/L2 blockchains and DeFi protocols through embedded security engineering, incident response, security research, and blockchain validation. The firm describes its incident-response work as having enabled the recovery of more than $300M in digital assets.
Jonathan Claudius previously worked at Mozilla as Director of Security Assurance and at Trustwave SpiderLabs as Lead Security Researcher. His open-source contributions include work on the Metasploit Framework, as well as ongoing core-contributor roles with PacketFu and c7decrypt.
Jonathan Claudius is affiliated with Wormhole, the interoperability protocol for which Asymmetric Research serves as a core contributor, a role recognized through a grant from the Wormhole Foundation. The firm has also disclosed notable vulnerabilities, including a critical Polygon PoS bridge-related flaw that had persisted in Heimdall for five years before being patched, and a reentrancy vulnerability affecting Cosmos chains. The Solana Foundation has funded ecosystem-wide security initiatives led by Asymmetric Research, including STRIDE, a program for evaluating, monitoring, and escalating security issues across Solana projects. Jonathan Claudius has 3,296 followers as of August 2026 and has published 6,169 posts. Jonathan Claudius has been mentioned by 14 accounts, with 55 total mentions.
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The accounts that follow Jonathan Claudius include 144 founders, 33 angel investors, 26 influencers and 1 VCs. Among them are Mert, Tay, John Wang, Keone Hon, Matthew Graham and Armani Ferrante.