Credential communication device

摘要

A credential communication device is disclosed. The credential communication device is adapted to transmit and receive data held in electronic storage means, which includes means to process the data in order to effect credential verification and trusted mutual recognition between the device and a second credential communication device without reference to a third party. The device also includes at least one proximity conductor which is adapted to transfer at least some data, only when in such physical proximity to a second credential communication device as to effectively exclude the possibility of third party involvement in the transaction.