4 ms·Why don't credit/debit cards use elliptic curve cryptography?by solotronics 7y agoWhy don't credit/debit cards use elliptic curve cryptography?piracy1 7y agoThey're getting there. We have PKE in the form of chips.miohtama 7y agoChip cards (EMV) use crypto - the signing of the transaction happens in the chip, with an embedded private key.