The fact is that the future is a loose concept. It is necessary to immediately fight the time in question. The fact is that I can not imagine that my grandfather or grandmother use cryptocurrency in stores or on the Internet. For a certain category of people, paper money will still be in demand.
the effects of change are constructively very straightforward with economics, education and technology. If we talk within the next 15-30 years and now online transactions through smartphones have become active activities, then we will become those grandparents, and of course we can access crypto, the most important thing is to get used to the internet and crypto habits will appear afterwards. In this case, Fiat will enter the zero point of use even if it is not in the near future.