Portable payment device

摘要

A portable payment device is provided comprising a casing having a microprocessor and memory means therein with the memory means being configured to include an electronic purse for the retention of value that is operatively available to be decremented in off-line transactions. Coupling means enable coupling of the microprocessor with a cooperant device to enable the transfer of value from or to the electronic purse to carry out proximity payments. A user interface means typically in the form of a keypad and display are provided for enabling a user to input instruction data into the portable payment device. The portable payment device has, in addition, wireless communications means configured for the conduct of remote payments by way of a wireless network by communication with a financial institution.