• Over a year of experience in smart contract security auditing, securing top 3 and top 5 positions in multiple contests across various domains including lending and borrowing, cross-chain bridges, insurance protocols, stable coins, and more. This consistent success demonstrates a broad and deep understanding of different blockchain technologies and problem-solving skills.

• Content strategist at sherlock.

• Languages: Solidity, JS, C++
• Tools & Platforms: Foundry, Ethereum
• Specialized Skills: Fuzzing in Foundry, Formal Verification with Halmos (still learning these)

The following numbers can be verified from the code4rena and Sherlock leaderboard under my name 0xnirlin(Sherlock), nirlin(c4), Bugbusters(Team with a friend) (Sherlock + c4).

Not including any accepted low findings, QA reports, and analysis reports here, only impactful findings.

Second position in secureum race-18

1. Second Overall in KelpDao Contest on code4rena - Result Link
2. Second overall in Aloe V2 Contest on Sherlock - Result Link
3. Third overall in Hubble Exchange Contest on Sherlock - Result Link
4. Fourth overall in Unstoppable Contest on Sherlock - Result Link
5. Fourth overall in Ondo Finance Contest on Code4rena - Result Link
6. Sixth overall in Axelar Contest on Code4rena - Result Link

The Proof of Concept (POC) for the recent thirdweb exploit: A simplified ERC20 version utilizing ERC2771 context and OpenZeppelin's Multicall, demonstrating the potential for an attacker to transfer anyone's tokens among other exploits. Participated in multiple contests and consistently ranked in the top 5, showcasing a strong understanding and skill set in smart contract security. Repo Link

• Web3 Security
• Blockchain Development
• Zero Knowledge Proofs

• Issue 1
• Issue 2

• FAST-National University of Computer and Emerging Sciences

You can connect me at:

• 0xNirlin
• Email