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As far as I understand, the phones rely on real crypto to verify transactions without exposing secrets to the merchant. The chip and whatever cards despite tak
by quantumhobbit 10y ago
As far as I understand, the phones rely on real crypto to verify transactions without exposing secrets to the merchant.
The chip and whatever cards despite taking 10 or more seconds are still just transferring the secret to the merchant. So once criminals figure out how to make copies they will be no more secure.
- craigds 10y agoNot true, both chip and contactless are signing a challenge with a secret that doesn't leave the card.