REVERSE PURCHASE PROVIDING METHOD AND REVERSE PURCHASE PROVIDING SERVER USING SAME

摘要

One technical aspect of the present invention provides a reverse purchase providing method. The reverse purchase providing method comprises the steps of: selecting a plurality of sellers associated with a purchase product when purchase request information on the purchase product is received from a purchaser; providing a first communication interface and a second communication interface, which is different from the first communication interface, between the purchaser and the plurality of sellers; setting, to a first seller, an access authority of a trading interface when the purchaser determines the first seller as a seller among the plurality of sellers; and paying the first seller when the purchaser determines the purchasing of the purchase product registered by the first seller through the trading interface, wherein the first communication interface includes a plurality of communication channels respectively formed between the purchaser and the plurality of sellers, and the second communication interface can be integrally formed for the purchaser and the plurality of sellers.