Check whether “instant” refers to casino approval or the bank or e-wallet...

https://wiki-net.win/index.php/How_to_Compare_Crypto_Casinos_When_Network_Conditions_Change_Payout_Times

Check whether “instant” refers to casino approval or the bank or e-wallet transfer; they can take different amounts of time. “No KYC” may still involve checks. Bonus wagering rules and withdrawal limits can also delay or restrict cashouts