alt Hacker NewsWhen you add a card, your bank creates a device-specific Device Account Number, encrypts it, and sends it to Apple w/ a key used to generate a unique sec code for each transaction.
When you add a card, your bank creates a device-specific Device Account Number, encrypts it, and sends it to Apple w/ a key used to generate a unique sec code for each transaction.
And is that information stored on the phone? Do Apple's servers need to be running for me to make a purchase?