I would like to know if cryptocurrency will replace fiat money in the future, also if so how long it will likely take. Also, I would like to know which coin you think would take over if one will. (E.G. Dogecoin, BTG, LTC, XMR)
Don't ever think about it again. It will never happen. Fiat currencies make the identity of a certain country; so we can recognize a country. Also, the givernment won't let it if ever, because they have no control of the crypro currencies, and to regulate the people they must hold also the money.