What did I just read? Bitcoin is not replacing fiat at all. Bitcoin has become an alternative option as a payment method but I have never looked at bitcoin as something that is currently replaying fiat. Fiat is something that will always be there as it has support from the government while cryptocurrencies don't have that.
Bitcoin has a lower volatility rate? How? It has a lower volatility rate as opposed to other cryptocurrencies, but as opposed to fiat? That's like night and day difference. There's only few fiat currencies that are actually volatile and most fiat currencies are just steady with some movements every now and then. It doesn't matter if people are shouting or whispering how volatile bitcoin is, take a look at the reality by yourself and find out the fact that it is actually very volatile just like any other speculative assets.