I think that Bitcoin in the future will be accepted by all Countries. Because it will definitely help the World Economy by providing extra income to all the people involve with it. it will be known to the whole world and many transactions are going to be made using Bitcoin or the cryptocurrency.
I agree with you, Bitcoin will soon be considered by many countries in the years to come, It will be one of the currencies, Considering its potential to be one of the most used way of using money in the world market.