| 摘要 |
The invention relates to a method to perform an electronic transaction 100 between a user carrying an authentication device 1 comprising an intrabody communication device 1a, a radio frequency communication device 1b and a memory storing reference biometric identification data, and a point-of-sale having a biometric reader 5 comprising a radio frequency transceiver 13. The method comprises presentation of a body part 3 to the biometric reader 5 by the user, collection of biometric identification data 9 from the presented body part 3, exchange of a radio frequency communication address 11 between the biometric reader 5 and the intrabody communication device (1a) through an intrabody channel IC , establishment of a remote short range point-to-point radio frequency connection 15 between the radio frequency communication device 1b and the transceiver 13 of the biometric reader 5, the biometric reader 5 sends the biometric identification data 9 through the remote short range point-to-point radio frequency connection 15 to the authentication device 1 for comparison of the biometric identification data 9 with the reference biometric identification data stored in the memory of the authentication device 1.
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