Code4rena is a competitive audit platform connecting top security researchers with web3 projects to identify high-severity vulnerabilities.
BlockSec offers Web3 security solutions: smart contract audits, 24/7 threat monitoring, exploit prevention, ensuring DeFi protocol compliance.
MetaScan is an AI-powered security assessment platform for smart contracts, offering automated vulnerability scanning and remediation recommendations.
CertiK: Largest blockchain security auditor; offers smart contract audits, penetration testing, on-chain monitoring, and Web3 security ratings.