Chadi Sebbar is a Web3 security engineer at Fidesium, where he identifies, analyses and mitigates smart contract vulnerabilities across both research and client-facing work. He works on automated vulnerability detection, tuning the scanners for speed, accuracy and clarity, and wrote Fidesium's white paper on reducing false positives in access control detection. His route into the work ran from Casablanca to Paris to Rio de Janeiro, and he works in Arabic, French, English, Portuguese, Spanish and Italian.