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The terms "Web 3.0" and "Metaverse" now both refer to the third generation of the Internet. A theoretical framework for Web 3.0/Metaverse is constructed, which consists of three parts. The first part is the Web 3.0/Metaverse architecture, including the structure of the Internet at the Web 3.0/Metaverse system level and the structure of computers as the Internet end systems at the Web 3.0/Metaverse component level. The second part is the Web 3.0/Metaverse technology system, including nine Web 3.0/Metaverse technologies. The third part is the Web 3.0/Metaverse application world, which structurely integrates the virtual and real worlds into one and covers five fields, namely economy, politics, military, society, and culture, in either function or scene. A Web 3.0/Metaverse application system is a field or subsystem, or sub-subsystem, etc. of the Web 3.0/Metaverse application world. A kind of Web 3.0/Metaverse application, digital twinning, is analyzed. The first-principle of blockchain is proposed: in the Web 3.0/Metaverse application world, the core function of blockchain is to make contrust (common trust).

, authors=GAN Huaming, authorsList=GAN Huaming, authorCompany=China Mobile Communications Association Metaverse Industry Working Committee, Beijing 100110, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=zGKP25CsQoj/Dw5jsyFqYA==, pdfFileSize=1364887, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242140588053701386, articleId=1242140585822331643, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=Web3.0/元宇宙理论框架：一个初步研究, columnId=1242140578666852758, journalTitle=科技导报, columnName=专题：Web3.0发展趋势, runingTitle=null, highlight=null, articleAbstract=“Web3.0”和“元宇宙”现均指第三代互联网。构建了一个关于Web3.0/元宇宙的理论框架，它包含3个部分：第一部分为Web3.0/元宇宙体系结构，包括Web3.0/元宇宙系统层面的互联网的结构、Web3.0/元宇宙组分层面的作为互联网端系统的计算机的结构；第二部分为Web3.0/元宇宙技术系统，包括Web3.0/元宇宙9大技术；第三部分为Web3.0/元宇宙应用世界，其在结构上是虚拟世界和现实世界等2个世界融合为一体，在功能上或在场景上包括经济、政治、军事、社会、文化等5个领域。Web3.0/元宇宙应用系统是Web3.0/元宇宙应用世界的领域或者子系统、孙系统等。剖析了Web3.0/元宇宙应用的一种——数字孪生。提出了区块链第一性原理：在Web3.0/元宇宙应用世界中区块链的核心功能是制造共信（共同信任）。, authors=甘华鸣, authorsList=甘华鸣, authorCompany=中国移动通信联合会元宇宙产业工作委员会，北京 100110, correspAuthors=null, authorNote=甘华鸣，教授，研究方向为元宇宙和区块链等，电子信箱：ganhuaming@vip.sina.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=XpZW2NO4wZZIZJDCTq9zQQ==, pdfFileSize=1364887, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null)}, authors=null, 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