Foreword:This series of articles focuses on web3, including the meaning of a series of emerging concepts such as NFTs, The Metaverse, Gamefi, and representative issues in the space. I will also describe what I think of their future from the perspective of practitioners as well as scholars. What kind of projects should be labeled as web3? Why are NFTs so popular? What will be the final form of the Metaverse? Why have most celebrities and well-known brands failed with their NFT endeavors? How s...