4 ms·
It's very much encoded in the track data. It may not be in clear-text by the time it leaves the reader but it's encoded in the data.
by jschwartzi 7y ago
It's very much encoded in the track data. It may not be in clear-text by the time it leaves the reader but it's encoded in the data.
- gruez 7y agoDo you mind linking to a source? Wikipedia has details on it, but it doesn't say anything about names. https://en.wikipedia.org/wiki/Magnetic_stripe_card#Financial_cards https://en.wikipedia.org/wiki/Magnetic_stripe_card#Financial...
- nkurz 7y agoFrom your link, it looks like "Name" is in Track 1: Start sentinel — one character (generally '%') Format code="B" — one character (alpha only) Primary account number (PAN) — up to 19 characters. Field Separator — one character (generally '^') Name — 2 to 26 characters ...
- gruez 7y agoThanks, not sure how I missed that.
- MilaM 7y agoIt's also part of the EMV Specification and can be read with any nfc or smart-card capable reader. You don't need a special payment terminal. https://www.emvlab.org/emvtags/show/t5F20/ https://www.emvlab.org/emvtags/show/t5F20/ There is one store in my neigbourhod where the payment terminals show this field (my full name) on the screen during checkout. I was very surprised when I noticed this the first time. But apparrently not all card issuers fill the field with correct data. One card, a prepaid Visa from a big fintech, has "N/A" programmed in the field.