4nescient

This Security Researcher has earned $3,612,409 hunting bugs on Immunefi. 32+ live critical vulnerabilities found, saving hundreds of millions of dollars from hacks. Meet @lonelysloth_sec, ranked Top 5 all-time on @Immunefi. We asked him how he does it. One practical bug bounty strategy that has helped him find better bugs: "Protocols share a lot of code. When you find a bug that isn't exploitable, take some times to check if the same bug doesn't show up in other protocols where it might be. Study families of protocols, compare their code. Things are getting more and more interconnected." The habit, routine, or mindset that has made him more consistent as a researcher: "Curiosity. I don't rest until I understand every part of the system. Even if I end up not finding a bug, I want to understand it." A memorable bug or win, and what helped him find it: "I have quite a few public disclosures, but for one project between '24 to '25 I got paid for 9 critical bugs. I spent months getting to know every last detail of their (very large) code base. More than a breakthrough it was about persistence in one target, learning everything about it, and using everything I knew on it. They weren't the highest paying bugs I found, but I'm very proud of that achievement. I still find bugs in that project." His advice to a researcher trying to level up or land their first bounty: "Find motivation in the journey, because it's a long one. Enjoy understanding something that previously was mysterious to you, the feeling of knowledge accumulating. It compounds and will eventually lead to your bounties. Keep trying -- you need to give luck a chance to find you."