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PORTABLE OBJECT SUCH AS AN ELECTRONIC PURSE FOR PAYMENT IN DIFFERENT CURRENCIES AND ASSOCIATED PAYMENT PROTOCOL
PORTABLE OBJECT SUCH AS AN ELECTRONIC PURSE FOR PAYMENT IN DIFFERENT CURRENCIES AND ASSOCIATED PAYMENT PROTOCOL
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机译:便携式对象,例如电子货币,可用于支付不同货币和相关的支付协议
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摘要
The invention concerns a portable object comprising an electronic purse application, wherein said data-exchange protocol defines an instruction for operating electronic currency conversion. The method consists in: (a) storing in the portable object an electronic currency conversion table certified by an original electronic signature (SK) by a banking authority; (b) authenticating said conversion table, and, on the basis of said conversion table authentication, the currency conversion rate value constituting an authenticated conversion rate value; (c) carrying out the conversion of the electronic purse current balance, from said authenticated conversion rate value, to generate a converted current balance value, and storing the converted current balance value, or, in the absence of authentication, (d) stopping the current transaction and sending an error message.
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