Rajkumar's profile picture


I'm a Solidity developer and security researcher with expertise in writing secure and gas-efficient smart contracts.


  • Audits: This repository represents my collection of bug hunting findings for my portfolio.
  • DefiVuln: This repository contains defi vulnerabilities using foundry.
  • RSA: A RUST CLI to generate private and public keys, encrypt and decrypt message.
  • zkSortedArray: My first circuit to check if array is sorted by using Circom and Snarkjs.
  • Lendnow: Aave and compound like lending and borrowing protocol.
  • NFT-marketplace: NFT marketplace to trade NFT's with ERC2981 royalties.
  • ERC20-YUL: Simple ERC20 written in inline YUL.
  • More...: More projects.