This invention involves, in part, a system for automatically selecting a credential among a plurality of credentials on a portable communication device based on a geo-location of the portable communication device and based on a user preference, for use in an electronic wallet transaction. The system includes a geo-location device configured to detect the geo-location of the portable communication device; a location identification service unit configured to be activated by a pre-determined user input, and configured to determine a merchant where the portable communication device is most likely to be located based on said geo-location; means for storing preferences corresponding to the plurality of credentials; and means for automatically determining which of the plurality of credentials to use for the electronic wallet transaction based on the preferences.