I see the value in not allowing another party in on the transaction data. You're correct that there are other parties that by their nature have to have that inf

I see the value in not allowing another party in on the transaction data. You're correct that there are other parties that by their nature have to have that information (the merchant, the bank issuing the card, and Mastercard). But, it's good to know that the maker of the device doesn't know it as well.