2021年10In the first China Trusted Blockchain Security Attack and Defense Competition held in Chengdu in January, Wang Yazhe led a team from the Fifth Laboratory of the Institute of Information Engineering, Chinese Academy of Sciences“Zhongke letter chain”The team won the national first prize。

　　China Trusted blockchain Security Attack and Defense Competition is the first real combat attack and defense competition facing alliance chain in China，The competition focuses on topics such as open source blockchain project attack and defense, blockchain application security design, and blockchain platform protection design，It aims to promote the construction of domestic credible blockchain security ecology，Fully demonstrate the skills and practice level of our blockchain security talents，Promote blockchain infrastructure security，Strengthen data security。Organized by Chengdu Municipal People's Government and China Academy of Information and Communications Technology, the competition attracted participants from universities, institutes, enterprises and organizations108One team registered, after intense preliminary competition, total36Team contract100I entered the final。

　　In the track one "Open Source blockchain Project Attack and defense", the participating teams conducted a two-day attack and defense demonstration and on-site defense around the system platform security, smart contract vulnerability mining and other aspects。After the centralized deliberation of the competition experts, the Zhongke Link team finally proposed and implemented the platform security attack scheme9Class, answer the smart contract class competition questions10Tao (total11Tao) won the first prize in the final。

The team of Wang Yazhe from Room 5 won the first prize in China Trusted Blockchain Security Attack and Defense Competition