Where you keep you coin "stashed" and which platforms you use are directly related to what you can do with it, it’s literally THE most important thing, in terms of use case, scalability, control, security, privacy, governance, speed of transaction and fees, even if you are only interested in converting back to fiat to spend, the difference in gas fees and speed are astronomical, gas fees range from fraction of pennies to hundreds or even thousands of dollars depending on how much you transfer and when.
The whole concept of trying to regulate Defi shows a huge lack of understanding on how blockchain and smart contracts work on the governments behalf.
JPM Morgan have been trying to push their JPM coin for years claiming that btc would fail now they have been dragged kicking and screaming into offering btc to their customer because their customers demanded it or would take they business else were. The best world governments can do is offer stable coins and banks can offer ease of use to people who don't want to learn to do anything for themselves.
110million worth of bitcoin shorts were liquidated within 10 minutes last weekend when the price rose. This is going to keep happening to companies trying to offer financial services in crypto which out perform hodL'ing.