Treat “instant withdrawal” and “no KYC” as claims to verify, not guarantees....

https://varimail.com/articles/ethereum-casino-cashouts-why-do-some-withdrawals-still-take-hours/

Treat “instant withdrawal” and “no KYC” as claims to verify, not guarantees. Check how long the casino takes to approve a request separately from how long your bank, wallet, or crypto network takes to deliver it