Gustavo Grieco, Hello stranger!, I’m Gustavo Grieco, a freelancer security researcher focus on blockchain vulnerabilities and developer of automatic tools (e.g. fuzzers). Previously working at Trail of Bits. Also tech consultant and stakeholder of Earthical 🌱. Experience Elected Audit Committee Technical Expert for the Arbitrum DAO (since July 2025) Freelance security researcher (since April 2025) Security Engineer (from Junior to Principal) at Trail of Bits from September 2017 to April 2025 (~8 years): specialized on blockchain audits (Solidity, EVM, Cosmos-SDK), fuzzing, tool development.

trailofbits.com earthicalinnovations.com forum.arbitrum.foundation cifasis-conicet.gov.ar