throwaway42968

5 ms·

1. 1.▲
   by throwaway42968 3y ago

   What you are describing is essentially EMV, except that your bank has gone to the trouble of picking your private key and embedding it in a card you carry around and insert into payment terminals.
2. 2.▲
   by throwaway42968 3y ago

   Not much. The chip doesn't transmit any credit card numbers. What's really happening in an EMV transaction is the amount due is transmitted along with some identifying information from the host to the card reader. The reader then
3. 3.▲
   by throwaway42968 3y ago

   It's only an issue with EMV Fallback, which you'd probably not need if you have a backup card that is good. Basically if the chip or near-field antenna on your card fail, the fallback is to collect a magnetic stripe read. Properly