When you are watching "Twelve Hours in Chang'an" at home, a cloud mining machine at Lao Wang's house next door is constantly transmitting the video files of the next episode for you; you paid 15 yuan to the video website to watch the show. For membership fees, Lao Wang's mining machine made 2 cents a day by passing files to nearby people. You are an ordinary Internet user, and Lao Wang is a Web 3.0 participant. You may have heard and seen a lot of content related to Web 3.0 rec...