| 摘要 |
The invention relates to a method, and an arrangement (A) for identifying a purchaser (1) and a retailer (2) and performing an economical transaction between the purchaser (1) and the retailer (2) at a point of sale (21), where the purchaser (1) has a mobile device (1 1), and where the point of sale (21) communicates with a transaction system (3). The transaction system (3) transfers funds (31) from the purchaser to the retailer according to given information from the purchaser and the retailer. The inventive method, and arrangement comprise the steps of; the mobile device (1 1) reading an identity of the point of sale (24) by means of a at least one of a camera, and a radio frequency receiver comprised in the mobile device (1 1), the mobile device (1 1), and point of sale generates and transmits messages comprising the identity of the point of sale (24) and the identity of the mobile device (14) through different channels of communication. Furthermore, the invention comprises computer program products conducting the software code needed for the invention to be carried out. |
