According to Sina Technology News, on the afternoon of May 1st (Western May 2nd, Beijing time), the memorial ceremony of Professor Zhang Shouqi was held in Stanford. Professor Zhang Shouyi, a tenured professor at Stanford University in the United States, died in San Francisco on December 1, 2018, at the age of 55. Professor Zhang Shouyi not only made outstanding contributions to the field of theoretical physics, but also pioneered research in the fields of topological insulators, quantum spin Hall effects, and spintronics. He also loves innovation and venture capital. Professor Zhang said before his death: "The development of blockchain must be generated by the data market. Under the state of the Internet, information can only be exchanged, and now it is possible to exchange value."