Embodiments of the invention are direction to systems, apparatuses and methods for enrolling users in a payment service that enables an individual (“a presenter”) to conduct a payment transaction with another party (“an acceptor”) more efficiently in situations where the individual has multiple payment accounts. One embodiment of the invention is directed to a method comprising presenting to a user a plurality of payment accounts associated with the user, receiving from the user a selection of an alias account identifier for each of the payment accounts, and storing in a database data that associates the selected alias account identifiers with the payment accounts.