No it isn't.
It's still gold and fiat.
But it would be because bitcoin is new.
It has been popular nowadays
and there are lots of supporters
So someday it would have the potential to become strong.
Bitcoin is growing and developing today. Although not yet very strong but I myself am very confident that bitcoin has a bright future and will be a strong currency. Because of the potential bitcoin there is. You can see the euphoria of new users
You are right, bitcoin now is keep on growing and developing and those progresses are reflecting the volume of the market and the amount of user because they are also growing and soon they will become bigger and the bitcoin will become stable and after those instances it result for bitcoin for becoming a stronger currency than before and soon it will become the most traded currency and in the end, one of the strongest currency.