An article of manufacture has non-transitory computer readable storage medium comprising computer readable program code executable by a processor in a mobile device to implement a method, where, when the mobile device is at a business location, a user of the mobile device is authenticated non-invasively (e.g., utilizing the camera of the mobile device, using facial recognition, utilizing the camera of the mobile device and authenticating via facial recognition, etc.). Upon successful authentication, a scanning code is displayed over a lock screen wallpaper of the mobile device, where power is conserved in the mobile device by providing the scanning code without having to unlock the mobile device.