According to Chengdu Lianan News, in the digital asset crime cases in 2019, the United States accounted for 28% of the world's largest, Europe accounted for 24%, and then China accounted for 18%. According to statistics from Chengdu Chain Security, from January 2019 to mid-December 2019, there have been more than 10,000 digital asset hacking incidents worldwide. There have been as many as 2,000 digital asset-related criminal cases in China, including hacking, coin theft, and fraud. , Illegal fundraising, money laundering, illegal transactions on the dark web, etc., with a total loss of more than US $ 6 billion. The amount of cyber crime and dark web transactions is roughly the same. The project party's road trips are more than twice the amount of the previous two. System vulnerabilities cost the blockchain more than $ 1 billion.