Actually both are versus with each other, i mean both are valuable in their own place. Now it is a time of computer and laptop so mostly people refer to use online investment and trading. So those kind of people are prefer to bitcoins. But it doesn't mean that we ignore the fiat currency. Fiat currency is a part of our life and we use it anywhere without any problem and many people want to do business with fiat currency even they have no interest in Bitcoins and other crypto currencies.