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)
Yes, of course, why not. Crypto has a very rapid development even until the future I'm sure crypto will grow rapidly and grow. If everyone in the world uses crypto automatic currency fiat currency will no longer be used. Then it could be cryptocurrency replace fiat. What is worthy of replacing the fiat is Bitcoin. Bitcoin deserves to be the best coin.