The European Parliaments Committee on Economic and Monetary Affairs (ECON) has come up with a report on cryptocurrency entitled Virtual currencies and central banks monetary policy: challenges ahead. The finding of reports shows that cryptocurrency will not replace fiat currency, even in the long term.
https://bit.ly/2NeLgLr Well, it is fair enough. I can agree on that the cryptocurrency is the way they are right now cannot replace the fiat, because they are still not stable enough to became a payment method.