US Patent 11461766 Mobile wallet using tokenized card systems and methods

A mobile wallet computer server receives a fund access request from a user device. The fund access request is made in connection with a payment transaction. The mobile wallet server generates a tokenized card number, transmits the tokenized card number to the user device, and receives receive the tokenized card number from a card network computer system after having been routed from the user device via a merchant computer system and via an acquirer processor computer system. The mobile wallet computer server converts the tokenized card number to the actual credit card account number of the user and transmits the actual credit card account number to the card network computer system to process the payment transaction.