agree with you if fiat will not be replaced by crypto, because fiat is very dependent on the country's economic stability. it is very chaotic if fiat experiences fluctuations. fiat and crypto collaboration may make the country's future economic system, and I agree if that happens
We still need our fiat, crypto can only be an option for some transactions to make it easier but it fiat will always be useful especiall if your in your own country.
Fiat will always be the main trade between traditional traders and that is a culture that may not be eliminated,although there will be an increase in one country by launching Crypto.Of course people believe that fiat is the culture they say dude,so this sounds difficult but the future of the world through crypto is a very good breakthrough.