| 摘要 |
A system for effecting a transaction includes a head-end (3), a communications network (4), and a receiver (1), capable of receiving digital information, including content data from the head-end (3) through the network (4), and of making the content data available to a user on a display device (2). The receiver (1) further includes an interface (7) to a subscriber secure device (6). The system has the capability to create a transaction token, incorporating a first code uniquely identifying the subscriber secure device (6). The receiver (1) is programmed to make the first code available on the display device (2). The system further includes a terminal (9,10;12) for creating a transaction token, including an interface (10) to a client secure device (11;13). The terminal (9-12) includes a user interface for entering the first code, and is arranged to create the transaction token from the entered first code in co-operation with the client secure device (11;13).
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