In the Internet of Things(IoT),security and privacy issues of physical objects are crucial to the related applications.In order to clarify the complicated security and privacy issues,the life cycle of a physical objec...In the Internet of Things(IoT),security and privacy issues of physical objects are crucial to the related applications.In order to clarify the complicated security and privacy issues,the life cycle of a physical object is divided into three stages of pre-working,in-working,and post-working.On this basis,a physical object-based security architecture for the IoT is put forward.According to the security architecture,security and privacy requirements and related protecting technologies for physical objects in different working stages are analyzed in detail.Considering the development of IoT technologies,potential security and privacy challenges that IoT objects may face in the pervasive computing environment are summarized.At the same time,possible directions for dealing with these challenges are also pointed out.展开更多
The metaverse has gradually come into the public eye and has become a hotspot in cyberspace,but it still faces many technical difficulties to be solved.Blockchain is a key component of the metaverse,enhancing the deve...The metaverse has gradually come into the public eye and has become a hotspot in cyberspace,but it still faces many technical difficulties to be solved.Blockchain is a key component of the metaverse,enhancing the development of the metaverse by connecting the real and virtual worlds seamlessly and solving some of the difficulties faced by the metaverse.Our paper comprehensively studies the development and application of blockchain technology in the metaverse.First,there is an introduction to blockchain and the metaverse,followed by a discussion of why blockchain should be integrated into the metaverse.Second,an overview of the main blockchain technologies is provided to evaluate blockchain’s role in the metaverse and the value is summarized.Third,the development of future integration of blockchain and metaverse is presented from the perspective of social life and technology.For social life,how to use blockchain in the metaverse to enhance and improve social life is discussed.Then,from the technical perspective,it discusses how blockchain shapes the metaverse.Finally,challenges associated with the integration of blockchain into metaverses are analyzed and some promising research directions and solutions are proposed.展开更多
基金This work was supported by the National Natural Science Foundation of China under Grant 61872038,61811530335in part by the UK Royal Society-Newton Mobility Grant(No.IEC∖NSFC∖170067).
文摘In the Internet of Things(IoT),security and privacy issues of physical objects are crucial to the related applications.In order to clarify the complicated security and privacy issues,the life cycle of a physical object is divided into three stages of pre-working,in-working,and post-working.On this basis,a physical object-based security architecture for the IoT is put forward.According to the security architecture,security and privacy requirements and related protecting technologies for physical objects in different working stages are analyzed in detail.Considering the development of IoT technologies,potential security and privacy challenges that IoT objects may face in the pervasive computing environment are summarized.At the same time,possible directions for dealing with these challenges are also pointed out.
文摘The metaverse has gradually come into the public eye and has become a hotspot in cyberspace,but it still faces many technical difficulties to be solved.Blockchain is a key component of the metaverse,enhancing the development of the metaverse by connecting the real and virtual worlds seamlessly and solving some of the difficulties faced by the metaverse.Our paper comprehensively studies the development and application of blockchain technology in the metaverse.First,there is an introduction to blockchain and the metaverse,followed by a discussion of why blockchain should be integrated into the metaverse.Second,an overview of the main blockchain technologies is provided to evaluate blockchain’s role in the metaverse and the value is summarized.Third,the development of future integration of blockchain and metaverse is presented from the perspective of social life and technology.For social life,how to use blockchain in the metaverse to enhance and improve social life is discussed.Then,from the technical perspective,it discusses how blockchain shapes the metaverse.Finally,challenges associated with the integration of blockchain into metaverses are analyzed and some promising research directions and solutions are proposed.
