We only know that the online bookkeeping game, which is so called invented by the Japanese, or literally like Nakamoto Nakamoto, most of the participants are in China, accounting for as high as 70%. Mining is almost the patent of a game player of bone ash level. Of course, there are many so-called professional mining machine developers who are engaged in industrial mining, and these investors are almost the same They are all in China, and more of them are pure speculators. In 2015, the Chinese government made a statement for the first time that it did not recognize the so-called monetary characteristics and only identified it as a certain asset. Bitcoin once plummeted from about 7000 yuan to more than 1000 yuan, and then rose gradually, rising by 30 times. In this process, ICO has become the main form of fuelling the flames.