| 摘要 |
The invention relates to a method and arrangement for making electronic purchases. In the method according to the invention, a creditor (11) grants to a customer (10) a certificate provided with an electronic signature, and the customer stores said certificate in an electronic device (13). In connection with a purchase transaction, the customer produces the certificate to an automatic service or goods vending machine (14), which checks the certificate information. If the information is accepted, the desired purchase can be made, and the purchase information is saved in the memory of the vending machine (14). The separate purchase information stored in the vending machine memory is transferred in one batch to the data system (12) of the creditor organization (11), when a predetermined criterion is fulfilled.
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