Several blockchain security companies are enhancing their smart contract auditing and protection services. HackenClub has introduced DualDefense, a solution combining expert audits with crowdsourced assessments to provide comprehensive security. Argent has integrated Blockaid for enhanced dapp protection, malicious token protection, and real-time transaction security. ChainGPT offers an automated Smart Contract Auditor tool for fast vulnerability detection. Extropy's recent audits have identified critical issues such as unbounded loops and flash loan vulnerabilities. 1inch is utilizing advanced AML tools like TRM Labs, Etherscan, and Blockaid to ensure DeFi security. Additionally, Quantstamp completed an audit for RetroBridge, a multichain ecosystem facilitating seamless connectivity across various EVM and non-EVM chains. HackenClub's HackenExtractor tool is now monitoring Possum_Labs to enhance DeFi security.