Future belongs to technology. Cryptocurrencies make peer-to-peer financial transactions a lot easier. This currency can be sent from any part of the world to any part of the world. Hence there will be no struggle of exchanging the currencies like Dollar to Rupee etc.
While travelling the world, there will no hurdle of exchanging our currencies with local currencies.
Banks do charge us a part of the money we send or receive. With cryptocurrency, middlemen like banks will be eliminated, hence there will be no loss to us in financial transactions.
These transactions can be verified. Each coin is assigned a unique number.
One of the top economies of the world, Japan officially recognizes Bitcoin as currency.