The phone holds on to a credit card number and some extra information. What service is happening here? Is Apple doing something meaningful every payment?
The phone doesn't store your card number. Apple brokers a token at setup, secures it on-device, and manages it afterward (suspend, re-issue).
The phone doesn't store your card number. Apple brokers a token at setup, secures it on-device, and manages it afterward (suspend, re-issue).