The card number is neither encrypted, nor one-time use. It is, however, device-specific (tokenised) and tied to *Pay transactions. There is, however, a one-time use transaction-specific cryptogram for any chip transaction (contact or contactless).
The card number is neither encrypted, nor one-time use. It is, however, device-specific (tokenised) and tied to *Pay transactions. There is, however, a one-time use transaction-specific cryptogram for any chip transaction (contact or contactless).