I am sure that the cryptocurrency will very soon enter the life of every inhabitant of the earth and will remain for a long time. Cryptocurrency does not stand still, it is constantly evolving.
This is quite impossible to happen. Cryptocurrency adopt need not just the support of marketing teams and hypes, it should be implemented by the government of any country, in that case, then it can be possilbe but thinking of a reason that is very simple, not every people in this world knows how to use cellphones or computers.