The design of the Step Chain (IOC) application refers to applications such as Gudong and Yuepaquan, but mainly introduces the blockchain Token incentive mode, which uses IOC coins to reward running as the main feature. Buchan's products include PC end, PP end, and applications combined with smart device end (such as smartwatches and bracelets).The cycle economy model within the chain allows IOC coins to participate as token models in shopping, consumption, and discount activities within the chain. The internal shopping mall includes sports items, intelligent sports equipment, etc. Internal repurchase fund model, where the product regularly repurchases IOC coins for destruction. Later, after going to the exchange, it will also actively stabilize the currency price, so that the currency price fluctuation of the exchange will not affect the use value of the circular economy in the chain....