Patent ID: 11893573
Assignee: CAPITAL ONE SERVICES, LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. A smart card system for performing contactless data transactions, the smart card system comprising a smart card frame and one or more transaction cards, wherein:
each of the one or more transaction cards comprises:
a first antenna and a first processor circuit, wherein the first processor circuit is configured to, via the first antenna, perform a first contactless data transaction with a terminal based on a first secure credential stored in and unique to that transaction card; and

the smart card frame comprises:
a flat sheet;
a receptacle integrated in the flat sheet and configured to secure, enable removal of, and resecure each of the one or more transaction cards in the smart card frame;
a second antenna; and
a second processor circuit integrated in the flat sheet, wherein the second processor circuit is configured to, for each of the one or more transaction cards:
generate a third secure credential based on a second secure credential stored in the smart card frame and based on the first secure credential, wherein the third secure credential is unique to a combination of the transaction card and the smart card frame; and
perform a second contactless data transaction with the terminal based on the third secure credential.