According to the block rhythm BlockBeats report, at the Ethereum Technology and Application Conference, security company Peckshield released the audit reports on security incidents of Wavefield, Ethereum and EOS three ecological DApps in the past year. According to the report, since July last year, the number of DApp security incidents on EOS has been the highest, with a total of 109, and the total number of lost EOS is about 930,000. The number of DApp security incidents on the wave field (Tron) was 11 and the loss of TRX was about 29 million. However, only the security incidents occurred in the wave field in May this year caused TRX losses to exceed 27 million, accounting for the total statistics. 93%. The number of DApp security incidents on Ethereum is the lowest (Note: only the security of DApp is counted, not including the security related to Token (such as regular ERC20)), only 5 cases, a total loss of 24,000 Ethereum.