I think the Bitcoin price will increase over the next few years and be widely used by many countries. But I do not recommend using it to replace the money. If done too well, the criminals will use it to do money laundering.
The financial status of Bitcoin in the economy of the world will be very much different in future. It would have spread around the world which will give people the power and freedom to make transaction without having to worry about the barriers that have been posed by the government and the banking policies. In the next few years, the price will also be high and the prospect of earning in crypto will be good as well.