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When the payment terminal asks the EMV chip on your payment card for tag no. 5F20, it will be told the Cardholder Name [1]. That, in connection with your PAN [2
by currysausage 3y ago
When the payment terminal asks the EMV chip on your payment card for tag no. 5F20, it will be told the Cardholder Name [1]. That, in connection with your PAN [2], is a pretty stable identifier. (Not if you are using prepaid cards, obviously.)
[1] https://emvlab.org/emvtags/show/t5F20/ https://emvlab.org/emvtags/show/t5F20/
[2] https://emvlab.org/emvtags/show/t5A/ https://emvlab.org/emvtags/show/t5A/
- eddtries 3y agoWhat if I pay with my phone? That’s pretty common in the Nordic countries (Swish)
- currysausage 3y agoApple/Google Pay also implement the EMV standards, so at least in theory, it shouldn’t make a difference. In practice, I don’t know and I can’t check, unfortunately. It’s possible that they chose not to implement this particular tag. I did query the chip on my plastic MC Debit and it definitely reveals my name.