Crypto casinos let you play using digital coins and often require you to manage...

https://varimail.com/articles/what-does-network-congestion-mean-when-withdrawing-from-a-crypto-casino/

Crypto casinos let you play using digital coins and often require you to manage your own wallet and private keys. Traditional online casinos use regular money where your balance stays the same, like £20 stays £20, without extra handling