On May 06, the Babbitt Composite Index (8BTCCI) completed monthly regular adjustments. Considering factors such as market capitalization and trading volume (weighted average), the adjusted 8BTCCI index in May excludes STEEM, DGB, and BCN, and increases XVG. The number of Tokens in the index is reduced from 42 in April to 40. According to QKL123 data, the sum of the weights of the top ten Tokens of the adjusted 8BTCCI index in May was 93.19%, and the sum of the weights of the top ten tokens in April was 92.73%, the former increased by 0.46 percentage points. The main reason for the change was the slight concentration of the market capitalization and trading volume (weighted average) of the entire Token market. 8BTCCI was released on December 7, 2018, with reference to the Nasdaq Composite Index. 8BTCCI comprehensively considers Token's circulation market value and transaction amount to select the most representative Token in the entire market. The index component is reviewed once a month and the index component Token is adjusted based on the audit results.