A temporary pre-authorization charge may be applied when making a digital purchase.
What to do if you found a charge on your PayPal account that don't recognize
Information about authorization holds in your bank statement
What to do if you found a charge on your credit card or bank account statement that don't recognize
Information about authorization holds on your bank statement
Friend or family member used payment information without permission and I would like a refund for the purchase(s) made
Payments in the Battle.net Shop cannot be split between two payment methods
Purchasing is blocked on your account. Please contact Customer Support for assistance removing the block.