Although Web3 does not have a standard definition so far, it is conceivable that it must be an era in which data property rights are returned to the creators and the rational distribution of value is realized. Its most prominent feature is: “ Ownership”! This will be a revolution to Web2; just as printing technology changed and weakened the power structure of medieval guilds, Web3 fundamentally changed the traditional power structure of the Internet world.In my opinion, it should have three c...