Nobody knows the future, but in my opinion Bitcoin is designed to serve the community with the advantages it has in the future, everyone will use this digital currency, because it facilitates transactions and has good security, Hopefully all of that can be realized later.
The future of bitcoin is promising but we do not know what will happen, even if I think that bitcoin will be adopted by an important segment of the world population I still have my doubts that the majority will do it, many people will consider it to be too complicated and they will not use it or even worse they will use it and then they are going to lose their money when their wallet gets hacked and they will freak out when they realize there is no way to get their money back.
I just hope that in the future someone designs a way to store your coins that is better than the current methods that require that we are very careful about what we do with our coins so we are not hacked.