If legal system ban crypto - we can make another type of casino, like in Japan did.

You play casino, but can't cash out in money equvalent in Japan - it's illegal. What casinos did? They made system, when you buy special casino money, play with them, and then you can buys some fancy toys with thiscasono money. After you go to street, and there you can find special pawnshop. Here you can exchange this toy for real money - it's legal))

This pawnshop related to casino))