| 摘要 |
An apparatus includes a processor, storage, memory and a network connection. The processor is configured to: store user details in the storage including a plurality of telephone numbers, each associated with details of a payment card; receive, via the network connection, a request including a first telephone number related to a transaction; identify payment card details based on the first telephone number in response to the request; obtain an indication as to whether the transaction is valid using the first telephone number; and send the payment card details via the network connection to a payment server to process the request if the transaction is determined to be valid.
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