8. The system of claim 1 , wherein the operations further comprise receiving an input, via the GUI, that indicates an approval of the transaction amount.
8. The system of claim 1 , wherein the operations further comprise receiving an input, via the GUI, that indicates an approval of the transaction amount. 10. The system of claim 8 , wherein the input indicates a gesture that drags and drops the transaction amount onto an image, displayed on the GUI, of the contact, the gesture indicating a request to pay the contact.