Well there are so many ways to expand the use case of Crypto currency in general, which I would boldly say that it brings innovative ideals, building and empowering one self, by elevating you on a different level of acceptance
Here are my used case for Bitcoin I created personally
• I used BTC as a second Means of payment solution in my clothing business, a lot guys and young ladies do buy my goods and pay me in BTC and it's super fast.
• I use BTC to always pay the teachers of my Uncle's son, whenever I goes there, I just tell them, I don't have cash, but I will like to pay, us in BTC. And they accepted
• Most of my Uber and Bolt drivers who happens to be my friends accept BTC as a means of payment too. I know it can still be classified as one. Means of payment solution