Fiat is still remain and it will not disappear that is why believing in fiat is given because it is much usable than bitcoin right now even in the future. All of us having regular job are receiving salary in fiat and spend money in terms of fiat.
and the fact that bitcoin still rely on fiat as of now we cant removed the fact that the identity of our country rely on fiat so i still believe on it
whether bitcoin succeed we cant removed the fact that we still need fiat in most of our activity,.
True, the price of bitcoin is still influenced by the price fiat. Although digital currency in the future will be developed and widely used but I am sure fiat will still be there. Because fiat greatly affects the economy and development of the country.