electronic wallet paper

With their need defined and the user population already accepting them in the work place, it only makes sense to extend their functionality into the street where loose change transactions such as buying a newspaper or paying for public transport can be made simple by using the part of the wallet that is not protected by the PIN - public transport being a good case for contactless smartcards where users simply get on the bus, state their destination and sit down thus speeding up the processing of bus queues.