At 8:00 on October 17th, Beijing time, the ChaiNext 100 index, which reflects the overall trend of the cryptocurrency market, reported 720.36 points, down 2.19% in the past 24 hours, with a turnover of 35.594 billion US dollars. The turnover increased by 3.18% compared with the previous 24 hours. 9 rises and 91 declines; ChaiNext 5, which reflects the performance of the blue-chip cryptocurrency, reported 638.02 points, down 2.10% in the past 24 hours, turnover was 29.598 billion US dollars, turnover increased by 3.70% compared with the previous 24 hours; Bitcoin bubble index ( The BBI Index reported 81.24 points, down 1.00% in the past 24 hours; the USDT OTC Index reported 100.07 points, down 0.06% in the past 24 hours. Bitcoin went down daily during the day and came to support the stabilization of around 8,000 US dollars. Other mainstream currencies were affected by this weak disk. The previous rising momentum was difficult to maintain, and the probability of the market linkage shocked down was high.