You can see that this period of bear market is very clear, you can see that bitcoin prices are constantly falling sharply in the past few days and has led to the price of altcoin is very strong and can not afford. will recover when the market capitalization is only $ 200 billion. The bitcoin price has hit the $ 20000 mark and the market capitalization is $ 800 billion, so I believe that you should stay out of the market and wait for bitcoin to return.