Babbitt reported on the 23rd, November 23, 2019 Netease Future Conference opened in Hangzhou. In the "blockchain + physical economy" forum held in the afternoon, the deputy director of the Hangzhou Internet Court, Guan Jiahui, said in his speech that the electronic data for the blockchain technology should be kept open and neutral. Conduct case analysis and identification. Neither the blockchain and other technologies themselves should be excluded or enhanced by the current new and complex technical means, nor should the standard be reduced because of the difficulty of tampering and deletion, but should be integrated according to the relevant laws and regulations of electronic data. Judging the effectiveness of its evidence