| 摘要 |
Certain exemplary embodiments comprise a method comprising: receiving a signal from a transmitter, the signal comprising a unique identifier, the signal transmitted responsive to a predetermined input from a user, the signal requesting approval of a proposed transaction, transmitting the unique identifier to a central processor adapted to approve the proposed transaction if at least the unique identifier is an approval from the central processor to complete the proposed transaction, the proposed transaction involving the valid financial account associated with the unique identifier. Certain exemplary embodiments comprise a method comprising: at a central processor, receiving information originating from a transmitter, the information comprising a unique identifier, the information provided from the transmitter responsive to a predetermined input from a user, the information requesting approval of a proposed transaction, and if at least the unique identifier is associated with a valid financial account transmitting an approval to complete the proposed transaction, the proposed transaction involving the valid financial account associated with the unique identifier.
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