Abstract: A real-time deal (RTD) method of the present invention comprises the steps of receiving a request to issue an RTD approval number; generating and transmitting an RTD approval number; receiving an RTD request including the RTD approval number; generating and transmitting an RTD discount rate in response to the RTD request; and paying a virtual currency corresponding to the discount amount according to the RTD discount rate.

Abstract: A real-time deal (RTD) method of the present invention comprises the steps of receiving a request to issue an RTD approval number; generating and transmitting an RTD approval number; receiving an RTD request including the RTD approval number; generating and transmitting an RTD discount rate in response to the RTD request; and paying a virtual currency corresponding to the discount amount according to the RTD discount rate.

Abstract: The present disclosure relates to a system and method for providing a real-time random discount service by using a mobile app, the system including: a seller terminal provided in an off-line shop operated by a seller; a purchaser terminal owned by a purchaser; and a random discount service server including: a random discount app control unit for controlling to forcibly execute a random discount application by pushing an app activation signal to the purchaser terminal, to thereby display a random discount selection screen including a plurality of random discount selection buttons, wherein the random discount selection button has a winning probability inversely proportional to a discount rate, and to receive selection information on the buttons; a random discount price setting unit for setting a random discount price to be offered to the purchaser; and a payment settlement unit for settling the payment according to the set random discount price.

Abstract: The present invention relates to a method, apparatus and system for providing a random additional post-payment discount for electronic commercial transactions in an open market, and particularly to a method, apparatus and system for providing a random additional post-payment discount of 1% to 100% of the initial payment amount after the purchase price has been paid when you select one or more products for purchase in an online open market where virtual sales space is offered to unspecified number of sellers.

Abstract: A system for generating virtual money by e-commerce in an open marketplace comprising: an open market operation server for providing an electronic money mining process to acquire the electronic money available in the open marketplace through e-commerce in the open marketplace; and a virtual money conversion server for converting the electronic money into a predetermined virtual money that can be traded in a virtual money transaction server, wherein, the open marketplace operation server allows e-commerce in the open marketplace using a purchaser terminal and provides electronic money to the purchaser terminal through the electronic money mining process during the e-commerce process; and the virtual money conversion server converts the electronic money in the purchaser terminal into the virtual money at the request of the purchaser terminal.

Abstract: A method of providing a discount on a product based on sales includes paying, by a purchaser, a price for a product selected by the purchaser, upon the purchaser paying the price, calculating, by a processor, a discount amount or a discount rate based on sales during a predetermined period, and calculating, by the processor, a discounted price for the product based on the discount amount or the discount rate.

Abstract: The present specification discloses an apparatus for providing an online market service, in which a price negotiation game for obtaining a price discount coupon is executed with a purchaser terminal, and a method thereof The object of the price negotiation game is to sequentially decrease a point from a starting point and match the point to a specific point or include the point in a specific point range. The apparatus for providing an online market service according to the present specification may provide the price discount coupon when the game is determined as a success. In this case, a product may be purchased at a discounted price by using the coupon through the selection of a purchaser. The purchaser may reattempt the game when succeeding in the game, so that the purchaser may obtain a coupon having a higher price discount rate.