I'm not really sure how many coins will die, but I'm sure that some of the coins available today will meet their ends. There are over thousands of altcoins and more and more. created as time goes by. That is why some projects lack the attention of investors and soon die. Only trusted currencies will remain. When in the bear market, investors or cryptanalysts will be more careful in choosing the right ICO to invest in and unlike the bull market. , where they will invest in any potential ICO. Keep your money out of this situation. It's either a loss or win, so do not make your money in 50/50 percent risk. If I were you just update and enter a good time not like this. Look at the market, new projects appear every day, new coins are created every day. Some die, others replace their position. I think that while 90% will die, 90% will replace their position. Looking at the market, new projects appear every day, new coins are created every day. Some die, others replace their position. Electronic money cycle in nature.