Trail of Bits
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Trail of Bits, founded in 2012 by Dan Guido and Alexander Sotirov, is a world-renowned cybersecurity research and software assurance firm specializing in blockchain security, smart contract audits, formal verification, and systems cryptography. Creator of industry-standard security tools like Slither, Echidna, and Manticore, Trail of Bits audits the most critical infrastructure in Web3, AI, and defense. The team values deep vulnerability research, open-source security tools, and rigorous technical writing. On Hashtag Web3, Trail of Bits has 5 active roles listed — including Engineering Director, Application Security, Senior Developer Relations Engineer, Security Engineer 1, Application Security - Remote US in United States.