Patent attributes
A transaction payload is received that represents at least i) a transaction initiated between a merchant and a customer, ii) an identification of the merchant, iii) an amount of the transaction, and iv) a transaction account associated with the customer. The transaction payload is encrypted using the OEM device credential. Thereafter, the transaction payload is decrypted and validated. Furthermore, the transaction payload is encrypted using an issuer credential, and routed via a predetermined payment service provider to a device associated with the issuer. Thereafter, the processor(s) receive from a device associated with the issuer, approval of the transaction, and transmit approval information to the enrolled mobile computing device for notifying the merchant that the transaction is approved.