It is said that bitcoin will destroy the fiat system but i believe that if this happens the world will change completly because banks and a lot of things will go out of market.
Bitcoin will not destroy the fiat but will be an alternative currency in the future. The users of cryptocurrency will increase but the percentage of users will vary in every countries exposure to internet. The utilisation of cryptocurrency as a means of exchange will mostly concentrated in the City where most business accepted legit cryptocurrency as payment.
Yeah bitcoin is no one stop. Bitcoin is future currency so you will get some information from bitcoin process. Bitcoin is digital currency so most of the people easy to use and it will reach the all country people. It good to for the future improvement. Bitcoin will be change the country people and country it will connect the other country it people share the information. So people get some idea for future investment. Bitcoin is online process. So it will easy to reach the all country people.