| 摘要 |
This payment system (10) comprises a payment terminal (12) and an electronic payment support (14) designed to interact with the payment terminal (12), the payment support (14) carrying an amount having a first residual value, and comprises: a first rewritable memory (34), and a second fuse memory (36), comprising a plurality of bits (1, 2, 3, 4, 5, 6, 7, 8) each capable of changing status a single time. The payment terminal (12) is programmed to deduce the first residual value from the joint reading of the first and second memories (34, 36). |
