Fiona He, the investment director of the investment organization IOSG, said at the “Crypto Tonight” event that the application side should be the organization responsible for security. She said that the current mainstream idea of overseas communities is still the fat protocol (fat protocol) originally proposed by Joel Monegro, “but we have seen frequent hacking attacks at the protocol layer, and these protocols still do not pay enough attention to security. It warns users that they are at their own risk and do not want to take any risks. “She believes that” fat applications “should be fat on security and data to help users verify the security of the technology.” Is the protocol layer saying that it is safe and useful? There is a contract audit, and the audit company cannot fully take the risk. The application should be the organization responsible for security. “” Crypto Tonight “is a talk program jointly launched by Winkrypto, Lianwen, and Yama. This event invited 6 A guest, to discuss the related topics of Decentralized Finance (DeFi).