Currecy that depend on fiat anyway can't replace it, and bitcoin also can't become fiat currency, cause in many countries it's still illegal for using.
I think fiat will always be fiat, like we know it today. I don't think much will change about it. I just don't think bitcoin can replace fiat. The only way this would happen is if all the governments worldwide would adapt to it. Which I doubt that they would.
Governments will never support bitcoin, they will support only their local currency they don't want to loose their control on the money and they will never allow bitcoin to be a primary currency.
I fully agree, but never the less I think BTC will be as common as fiat one day
That is possible that bitcoin will be common as fiat one day, but it won't replace fiat in anytime. It will depend if the government will try to
support bitcoins, but yeah, government will not support it since it is a threat to fiat money which is the main source of their living and daily usage.
Even if the governments do not make it a legal tender in their country, ordinary people can still use it.