I think that will happen in the future, because by looking at increasingly developing technology, I believe BTC will become an alternative currency, and I believe that worldwide will use digital coins for payment instruments such as shopping at supermarkets and others.
Exactly, cryptocurrency like Bitcoin is very effective as an alternative payment. Along with the development of the times, technology plays an important role to improve the quality of life of human civilization. So, in the future, if the world is very open and accepts the full existence of cryptocurrency, it will be a very interesting innovation.