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Yes, retailers can and do link/track purchases against card numbers. But this is true regardless of whether you're a member of a loyalty scheme or not. Also, i

Yes, retailers can and do link/track purchases against card numbers. But this is true regardless of whether you're a member of a loyalty scheme or not. Also, if you use Apple Pay / Android Pay, a device account number (DAN) is generated that is different from your physical card number. I'm not sure whether retailers get a name from such a transaction, but I suspect they just get the card number?

Operyl 6y ago
It’s even more annoying than that, the various Card companies sell your data too! It’s a hot mess.
gruez 6y ago
Nope, it can be linked back using https://developer.visa.com/capabilities/visa-par-inquiry https://developer.visa.com/capabilities/visa-par-inquiry