According to the China News, Publishing and Broadcasting News, on March 26, at the E-Commerce Copyright Protection Seminar held at Renmin University of China, Zhang Lianyong, a judge of the Beijing Internet Court, said that “the practice of copyright cases in many publishing houses is difficult to obtain evidence.” In the case of more flexible time stamps or blockchain technology forensics, the Beijing Internet Court has been studying. The current method of obtaining evidence may also involve the subject of forensics, and the witness may stay up late to obtain evidence, but it is not necessary to cooperate. The time of the notary office. As long as there is an Internet place, you can obtain evidence. As a right holder, this may be a good idea."