Code4rena | 2,022 followers on LinkedIn. The leading smart contract security marketplace. | Code4rena is the leading smart contract security marketplace, run by a 25-person team operating remotely. We invented the competitive audit, incentivizing thousands of security researchers on our platform to compete to find more rare, high-severity vulnerabilities than any other model. Code4rena audits differ from traditional audits and bug bounties by offering protocols wider coverage and guaranteed payouts for participants.