Real-time configurable smart cards

The primary smart card of claim I wherein the card data stored on the E-SIM comprises:

• a card number;
• a date of expiration for the card number;
• a maximum spending limit value associated with the card number;
• and
• a telephone number associated with the card number.

A smart card communication system comprising:

• a plurality of smart cards, the plurality of smart cards comprising a dominant smart card and a plurality of subordinate smart cards, each of the plurality of smart cards comprising:
• a microprocessor;
• a touch screen;
• and
• an embedded subscriber identification module (“E-SIM”) card configured for storing card data, the card data being dynamic card data, the card data comprising:
• a card number;
• a date of expiration for the card number;
• a maximum spending limit value for the card number;
• and
• an activation state value;
• and
• a digital wallet application resident on a mobile device of a user of the dominant smart card, the digital wallet application for managing the card data stored on each E-SIM for each of the plurality of smart cards, the digital wallet application configured to be managed solely by the user of the dominant smart card, the digital wallet application in electronic communication with each of the plurality of smart cards.

A method for enabling, via a digital wallet application, a smart card to operate as a primary smart card for a plurality of a user's smart cards, the primary smart card comprising a microprocessor, a touch screen, a wireless interface configured to provide wireless communication, an embedded subscriber identification module (“E-SIM”) card comprising re-writable card data associated with the primary smart card, a power source for providing power to the microprocessor and the E-SIM, the touch screen, the method comprising:

• storing card data associated with each of the plurality of smart cards in a database associated with the digital wallet application;
• retrieving on the primary smart card from the digital wallet application, a list of the plurality of smart cards;
• displaying on the touch screen of the primary smart card, a selectable list of the plurality of smart cards;
• receiving, via the touch screen, a selected smart card;
• and
• storing the card data associated with the selected smart card on the E-SIM of the primary smart card, the card data being stored replacing previously stored card data stored on the E-SIM;
• and
• wherein when the primary smart card is within a pre-determined proximity to a point-of-sale (“POS”) device, the primary smart card is configured to transmit the card payment data stored on the E-SIM to the PUS device to complete a transaction.