The cryptocurrencies will not losing their appeal as long we can still make profit from cryptos even the market is not good condition.. About crypto money in the future, of course bitcoin is the future.. Other cryptos that can be popular? I guess it would be Matic because of the cheapest transaction fees and also fast transaction, it will popular in the future.
Crypto will not lose but the coins in it can be that’s why holding too long is not suggested and trading is better. There are too many altcoins at present that didn’t have any value now or being unnoticed since there are already alike projects in the market. Altcoins will be adding more and more and list will go on but only few can make us in profit and that’s still depend on our strategy to make profit.