Cryptocurrencies such as Bitcoin represent money which is simultaneously global, uncensored, and open access for everybody
Crypto-currency is a digital currency, crypto-currency is global but crypto-currency, is ban/restricted in some counties making it hard/not available to them, also their are some religious Rights that believe or are in contradictory believes about crypto-currency,
It creates a source of exchange.
So much already could be exchanged, exchange is not uniquely meant for crypto-currency.
I think the significant of crypto-currency are much and I choose to say every individual to do there research and find out their own significant/importance about cryptocurrency currency.