You no longer need to take out your passport if you’re flying from Dubai International Airport. All you have to do is download the Smart UAE Wallet [iOS] [Android], register and then use the required machine-readable barcodes generated within the app to pass through the smart gates.
Passengers won’t even need to carry their board pass, which should reduce departure clearance time to between 9 and 12 seconds per passenger. “This is only the initial phase and will be followed by a second one where all data of Emiratis and residents will be linked into the wallet so people don’t need to show their documents when transacting in any government department. The individual will show the barcode inside the phone to share his data and finish the transaction in seconds”. [Source]
The service is currently only available at Terminal 3 but others will follow shortly.