| 摘要 |
A method of obtaining personal identification numbers (PINs) in the form of receipts printed by a client terminal is disclosed. The method includes receiving, at the client terminal, a first request for a PIN associated with a first of plural prepaid services. The method further includes transmitting, to a server, the first request for a PIN. In response, a first receipt file containing first pre-formatted receipt information is received at the client terminal. The method also includes printing, at the client terminal, a first receipt in accordance with the first pre-formatted receipt information wherein the first receipt includes first PIN information corresponding to the first request.
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