Crypto casinos let you play using digital currencies, where you control your...

https://wiki-zine.win/index.php/Are_Card_Payments_Safer_Than_Crypto_Transfers_for_Gambling%3F

Crypto casinos let you play using digital currencies, where you control your wallet and private keys, giving you more direct control over funds. Traditional online casinos use regular money, so your £20 stays exactly £20, handled by the site