It is not a secret, but this is russian casino with KYC. If anyone interesting - winline, promo code - UFF5000, but i don`t know if it still working. Decide by yourself to boycott russian casinos or to get bonus.
I have no problem with Russian casinos but not for KYC on any casino platform, but the promo bonuses offered seem real because users can use withdrawals but unlike many other casino platforms it can only be used to bet on the casino. Can you provide details of the casino you mean because I will do a test for the use of promo codes.