At present, the top 20 currencies in the cryptocurrency circle account for more than 95% of the total market capitalization. The hot topics in recent years have not increased the market capitalization of altcoins. Institutions still value the old mainstream. As for how to judge the value of altcoins in the future bull market, refer to the sectors that rebound strongly every time there is a big drop. These coins may not have a big increase in normal times, but they will definitely not be absent in the bull market.