method, device and equipment for circularly issuing coupons based on a block chain and a storage medium

The invention provides a method, device and equipment for circularly issuing coupons based on a block chain and a storage medium, and the method comprises the steps: obtaining login request information of a user, the login request information comprising a user identifier; Obtaining user historical transaction information from the block chain according to the user identifier; Generating and sendingcoupon information according to the historical transaction information of the user; If payment request information of the user in one merchant in the alliance chain formed by the merchants is obtained, the payment request information comprises an initial payment amount and commodity information; If the commodity information satisfies the discount coupon information, re-calculating the initial payment amount according to the discount coupon information to obtain a payment amount; And according to the payment amount, sending the general point to the user identifier according to a preset mode. The method has the effects