Cryptocurrency Have a Prosperous  Future. Cryptocurrency Will Replace  National Currency futurist and author Thomas Frey, He predicts that cryptocurrencies are going to displace roughly 25% of national currencies by 2030 On Earth. Bitcoin Price Hits $24,000 in Iran as Government Approves Crypto Mining Industry. There Are Top 10 Countries They are Accepted Cryptocurrency. In Future Cryptocurrency Will Be In A Good Position.