My Mother must have worked twice as hard as we did, as none of oursever made it home, yet she still always had enough to produce mouth watering crumbles and syrupy jam for us all to enjoy.
We were a little wary at the first when we heard about tying RFID so closely to our monies, and that Chase Bank blink card of ours has been collecting dust ever since it showed up in the mail, but the latest failings of RFID "security" have us running for the hills -- tin foil hat in tow.
If a hash from the store does not match any of ours, we discard it without ever discovering the corresponding email address and without storing any information that we did not have before.