An envoy device configured to perform a transaction with a further device. The envoy device comprises: a data store; a processor; communication circuitry for communicating with the further device; and a display. The envoy device is configured to respond to detection of the further device being within a predetermined physical proximity to trigger initiation of a transaction between the devices; and to respond to the transaction completing to display an object related to the transaction that it is determined the user may wish to select to initiate a subsequent action.