Web3 (also known as Web 3.0, or web3[1]) is a concept about the development of the World Wide Web, mainly related to blockchain-based decentralization, cryptocurrency, and non-fungible tokens. [2][3] The blockchain-related Web3 concept was proposed by Ethereum co-founder Gavin Wood in 2014, and has attracted the attention of cryptocurrency enthusiasts, large technology companies, and venture capital firms in 2021. #