Details of your MasterCard as well as every other ATM card with online/internet banking feature needs to be kept secret. This is because the details of the card could be used to make online debit transactions without any form of authorization request sent to the owner of the card. If you own a
Gtbank MasterCard, you can quickly block a lost MasterCard via a single SMS to avoid stories that touch.
How to Block Lost/Stolen Gtbank MasterCard
To Block a lost or stolen GTBank MasterCard, simply text " HOTLIST (NUBAN Account Number) to 08076665555
For example: HOTLIST0012343212 TO 08076665555
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