How long do you think will the cryptocurrency be popular? Does she substitution the usual fiat money? How many years will pass before this?
It is already popular in major parts of the world and it is increasing with time and this popularity will continue till the end of the day as it is a type of technology which has much more features for the modern world and for its economic system. I think with a few years a time will come when people will use the crypto more than the fiat. Maybe it will take around 5 years.