HAC (Chinese name: Health and Culture) is a public chain service platform supported by the application value of health and culture. The purpose of the platform is to promote cultural dissemination, positive energy dissemination, love transmission, and harmonious society, making human physical and mental health more healthy. All entities in the health and cultural industry chain can engage in activities such as data information transmission, asset trading, and digital asset allocation on an equal basis. Users' positive energy cultural dissemination, love transmission, and other value data can be uploaded to the chain, and the platform obtains corresponding HAC digital asset rewards based on the uploaded cultural dissemination data value and contribution value....