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French Banks Offer Credit Card Numbers That Change Every Hour

Slashdot reader schwit1 quotes The Memo:
What if the numbers on your card changed every hour so that, even if a fraudster copied them, they’d quickly be out of date? That’s exactly what two French banks are starting to do with their new high-tech ebank cards… The three digits on the back of this card will change, every hour, for three years. And after they change, the previous three digits are essentially worthless, and that’s a huge blow for criminals… As most fraud happens a few hours or days after your card details are actually taken, this would leave criminals essentially with a bunch of useless numbers.

It’s just like credit cards you have now — other than the tiny digital screen that’s embedded into the back of the card.


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