OSA (Optimal Shelf Availability Token) is an ecosystem and a digital assistant supported by artificial intelligence. It will provide consumers with purchase suggestions based on reliable product information and ratings, so as to ensure that they only buy authentic consumer goods and Household goods that can be safely consumed. OSA practical tokens have three purposes: network fuel, payment methods, and platform rewards. Consumers will be able to use OSA tokens in various ways only on the OSA platform: pay for B2C services, obtain exclusive promotions, and purchase Household goods....