In order for Bitcoin to be widely used later, the immediate goal is to make people understand and know that Bitcoin and the future will be used or replaced for fiat currency. Once recognized and accepted by national governments, Bitcoin will be stronger in the future.
People recognize bitcoins as a invesment like stock market and also bitcoin will not replace fiat because the price of this are volitle and not good to use in buying products. And i think bitcoin will become future but as a alternative payment system only .