| 摘要 |
The present invention relates to voluntary exchange of personal data belonging to certain user being involved in certain transactions, for bonus value, by which in accordance with the present invention both, a process of voluntary data exchange and also a device for performing or implementation the said data exchange are foreseen. According to the invention, the device for performing voluntary exchange of data for electronic points comprises at least a computer (DAC) and a transaction performing device, which includes at least one identification device. A transaction database (A') is foreseen, which contains data related exclusively to transactions without any personal data. Personal data are included in a personal database (B) and moreover partially or completely together with the identification data also in a personal-identification databse (B'). As soon as allowance of the user has been obtained respectively the access to the database (B') has been enabled, combining of transaction data from the database (A') with the personal data from the database (B respectivelly B') is possible, by which the desired and widely useful personal-transaction database (A) is created and simulatneously appropriate data are recorded into a bonus database (C).
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