A transaction system comprising electronic transaction terminal and a computer server for receiving and transmitting transaction data

Abstract

A transaction system (10) comprising a host computer server (12) and at least one electronic transaction terminal (14) for receiving transaction data pertaining to customer transactions and for transmitting the transaction data to the server (12) over a computer network (16), the transaction terminal (14) including an interface (21) for establishing data communication with a removable data storage device (28) for storing at least one digital security key, wherein the security key is accessible by the transaction terminal (14) when the data storage device (28) is in data communication with the transaction terminal (14), and the transaction terminal (14) if: configured to write the transaction data to the data storage device (28) for subsequent retrieval by the transaction terminal (14) or another like transaction terminal (14).