Crypto casinos cut out the middleman by using wallet-to-wallet transfers,...

https://reliabless.com/crypto-casino-compliance-what-does-it-look-like-when-done-right/

Crypto casinos cut out the middleman by using wallet-to-wallet transfers, meaning your Bitcoin or Ethereum payouts land in minutes rather than days. They also offer "provably fair" gaming, letting you verify the randomness of every spin yourself