Cryptocurrency can become a global currency platform and is likely to replace traditional payment instruments. In the future, you can pay for your lunch with a cryptocurrency wallet, without the need for a credit card, payment system, or cash. Think of a lot of things you can buy and pay for the day that cryptocurrency can replace.
This could happen in the future. But its need government regulation and many country forbid and ban bitcoin if used for payment in merchant. I think cryptocurrency have a future but its need time. Its good for crypto community if we can use cryptocurrency in merchant