Crypto casinos let you play using digital coins and often give you control over...

https://star-wiki.win/index.php/Why_Do_Some_Crypto_Casinos_Provide_Limited_Licensing_Info%3F

Crypto casinos let you play using digital coins and often give you control over your own wallet and private keys. Traditional online casinos use regular money, where your £20 stays £20 until you cash out