PAYMENT SYSTEM PAYMENT TERMINAL OF SAID SYSTEM AND ASSOCIATED PAYMENT METHOD

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).