| 摘要 |
Provided are a lottery system and method based on the sequence number of payment. The system and method discount a payment amount of a prize winner by an amount that is computed by aggregating certain rates of sales of non-winners by means of giving a sequence number of amount payment for each payment amount group at the time of making card payment or cash payment, and also discount the payment amount depending on the sequence numbering result for each winning probability by allowing customers to select the winning probabilities.
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