Bitcoin and fiat currencies do not affect each other. Bitcoin stands alone does not depend on fiat currency. This is evident from the fluctuations in bitcoin prices that are not affected by fiat currency fluctuations. Bitcoin prices are also not affected by the price of other crypto currencies. Precisely bitcoin is the guideline for the price of other crypto currencies. Bitcoin as the king of crypto currency influences other crypto currencies and has nothing to do with fiat currencies. Although it is not related but its presence is complementary. Both bitcoin and fiat currencies have advantages and disadvantages in different ways.