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A comment on EU fines Mastercard more than half a billion euros. Parent comment

Re:EU fines Mastercard more than half a billion euros by freeone3000 on Wednesday January 23, 2019 @10:07AM (#18978705)
The backup system in north america is a manual impression scan, where a carbon copy impression of the front of the card is made for later offline processing. Is this not available as a backup for when the electronic methods go down?
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