- Bank gambling block — you or your bank switched it on.
- Bank policy — some banks refuse gambling-coded card payments to offshore merchants.
- Name mismatch — casino terms such as Golden Crown 10.3 require a card in your own name.
- Method not offered in your country — Golden Crown 10.2 says methods depend on jurisdiction.
Don’t retry with someone else’s card or a workaround service: deposits from third-party accounts are refused and can lead to account closure.