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/2NeLgLrno one can predict what will happen in the future, especially with tools such as virtual currency transactions. Crypto can be one of the most powerful alternatives in the turn of all transactions in the world. but it will take a long time, even over the next few decades.