How do I block a card with you? All you need to do is speak to our Customer Support Team and they will be able to arrange this for you. For further guidance on blocking gambling transactions from your bank account, please contact your bank. Related articles How do I check my Payment History? Can you remove my card details? What should I do if I've got a new card or want to use a different payment method? How do I change my Bank Account Details when withdrawing? How do I add a Bank Account Number and Sort Code?