The fact that you can move it around over the internet from one site or app to another without a bank being involved.
You can do that in many more ways, for example the Paysafe card. You can deposit and buy/sell whenever you want without banks involved. However, no method offers transactions that are as fast as the Bitcoin ones. Although this is a good feature too, the best thing that Bitcoin can offer us is the anonymity.
perhaps with bitcoin we could be ourselves. that is, we can do anything in the business world. such as, trading, buying and selling, and a lot of things. many people are embarrassed to run a business in the real world, but with bitcoin, it could become a reality. the best thing of bitcoin is, when we are having a lot bitcoin, and the price goes up.