| 摘要 |
<p>The invention concerns a transaction method at a sales outlet via a portable personal device for identifying and controlling the transaction comprising the following steps: a) transmitting the amount of the transaction to the portable personal transaction identification and control device; b) indicating the amount of the transaction via a communication device of the portable personal transaction identification and control device; c) validating the transaction; and d) applying the transaction to a financial source associated with the portable personal transaction identification and control device.</p> |
