i think that bitcoin will become an internationally recognized currency in a few decades, after that most of the people will use it
I am also very much possitive about this matter. A decades of waiting might be too long but i also do think that bitcoin still requires a lot to prove it self in the innovating world but this things would really never happen without the support from the majority of bitcoin users
It can possibly happens in the next decades after a lot of debates will happen before it make as an official digital currency. But I think we will die before it declare as a official currency because of the time .