An envoy device for performing transactions with a further device in proximity to said envoy device, said envoy device comprising a data store, a processor; a first communication device configured to communicate with said further device that is located close enough to said envoy device to establish a first communication link; and at least one further communication device configured to communicate with said further device using at least one further communication link; said envoy device being configured to respond to detecting said further device close enough to said envoy device to establish said first communication link to: establish communication with said further device using said first communication link; receive information from said further device regarding said at least one further communication link that said further device is capable of communicating via and communicating at least one access key for connecting said further device and said first envoy device via said at least one further communication link; and commence a transaction with said further device using said first communication link.