Paper currency increasingly used and will be replaced with a digital payment.
Various countries around the world have started to follow the flow of the mainstream who are increasingly using digital payment system and getting away from paper currencies thanks to their subtle restrictions like in this article. They might do this to control all economic transactions and also to record and apply a tax on every transaction in the future, but consumers will gradually become increasingly aware that Bitcoin could be the choice of digital currency that is best for them.
Bitcoin is not yet widespread, and today is still developing a wide range of applications and new protocols to be used in the future, so the potential is yet to appear is still very large. We just rub the surface of it and do not show what is actually doable Bitcoin to the outside world. Currently the price of Bitcoin moves exceeded 1000 US dollars per Bitcoin. Whereas five years ago, price of Bitcoin only 0.30 US dollars only.