According to Chengdu Chain Security data, various types of attacks and money-losing incidents occurred frequently in August, and 11 typical security incidents occurred. In the statistic range, the loss of security incidents in August exceeded RMB 60 million. Although compared with last month's situation, the number of security incidents decreased slightly this month, and the losses were relatively reduced. However, the occurrence of exchange security incidents is still on the rise, and the main attack method of hackers is exploitation. The security awareness of exchanges still needs to be strengthened. . In addition, new security issues have arisen, and problems such as brick arbitrage, fraud, and server failures have increased.