Paper money will of course exist in the future. And that is just impossible to happen that it will disappear.
Bitcoin is of course more used in the future and that is good. But many people also need their paper money.
Well if you look at some futuristic movies theres no paper money there and thats where we are heading right now.
We are evolving to a digital world you might not agree with me but in reality thats were we are heading.
yeah although we are still comfortable in using paper money we should recognize that the possibility of banknotes to disappear is certainly there digital era is a time that we must face in the next few years. actually it is already beginning to show signs when many people began to leave the paper money when shopping