| 摘要 |
In various embodiments, a method may include receiving an indication of a price of an item to be purchased by a person from a merchant, receiving an indication of an amount tendered by the person, determining an amount of change due to the person based on the price and based on the amount tendered, determining the rules of a game, generating a first outcome of the game using a random number generator, determining based on the rules whether the first outcome is winning or losing, authorizing, if the first outcome is winning, that the amount tendered be returned to the person and that the person be allowed to keep the item, and authorizing, if the first outcome is losing, that the amount tendered be kept by the merchant. |
| 主权项 |
1. A method comprising:
receiving, by at least one computing server, from a point of sale terminal (POS terminal) an indication that a person is purchasing or paying for an item, wherein the item comprises a product or a service, wherein the POS terminal comprises a credit card reader and is operable to process credit card transactions and comprises an enclosure for storing cash, wherein the POS terminal detects a mobile device in use by the person, and wherein receiving from the POS terminal the indication that the person is purchasing or paying for the item comprises receiving from the POS terminal an indication of the mobile device and an indication of a purchase price of the item; offering, by the at least one computing server, to the person via the mobile device an opportunity for the person to play a game wherein a payout of the game is a reduction in or elimination of the purchase price of the item; receiving, by the at least one computing server, from the mobile device an indication that the person wants to play the game; receiving, by the at least one computing server, from the person via the mobile device a desired probability of winning in the game; based on the desired probability of winning in the game received from the person and the payout, determining, by the at least one computing server, a wager amount for the person to play the game; presenting, by the at least one computing server, to the person via the mobile device the determined wager amount; receiving, by the at least one computing server, from the person via the mobile device a placement of a wager on the game at the determined wager amount; determining, by the at least one computing server, one or more outcomes of the game; based on the one or more outcomes, determining, by the at least one computing server, whether the person won the game; and in response to determining that the person won the game:
communicating, by the at least one computing server, to the person via the mobile device an indication that the person won the game; andcommunicating, by the at least one computing server, to the POS terminal an indication that the person won the game. |
