I read on npr.org that:

Credit cards have a round notch; debit cards have a broad, square notch; and prepaid cards have a triangular notch, the company said.

However, my Wise debit card (MasterCard) has a round notch. Did MasterCard change the shape of their cards? Or is the shape chosen by the bank?

The 3 shape types:

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Wise debit card (2023-01):

enter image description here

1 Answer 1


Yes. See here:

Note: Since launch of the Touch Card, the shape of the notches were changed to reflect further refinement of the card.

  • My UK bank issued Mastercard debit card has the notch like Wise card above, but looking at the front, it is at the bottom right. Feb 13, 2023 at 16:55
  • 2
    @MichaelHarvey Bottom right / top left isn't as important as "opposite the chip" so the user knows which end to insert into the chip reader.
    – shoover
    Feb 13, 2023 at 22:33

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