With the rapid development of web3.0 applications,the volume of data sharing is increasing,the inefficiency of big data file sharing and the problem of data privacy leakage are becoming more and more prominent,and the...With the rapid development of web3.0 applications,the volume of data sharing is increasing,the inefficiency of big data file sharing and the problem of data privacy leakage are becoming more and more prominent,and the existing data sharing schemes have been difficult to meet the growing demand for data sharing,this paper aims at exploring a secure,efficient and privacy-protecting data sharing scheme under web3.0 applications.Specifically,this paper adopts interplanetary file system(IPFS)technology to realize the storage of large data files to solve the problem of blockchain storage capacity limitation,and utilizes ciphertext policy attribute-based encryption(CP-ABE)and proxy re-encryption(PRE)technology to realize secure multi-party sharing and finegrained access control of data.This paper provides the detailed algorithm design and implementation of data sharing phases and processes,and analyzes the algorithms from the perspectives of security,privacy protection,and performance.展开更多
Tim Berners-Lee developed the internet at CERN in early 1990 with fundamental technologies such as HTML,URL,and HTTP which became the foundation of the web.The contemporary web we use today has been much advanced over...Tim Berners-Lee developed the internet at CERN in early 1990 with fundamental technologies such as HTML,URL,and HTTP which became the foundation of the web.The contemporary web we use today has been much advanced over a period of time ever since the innovation of the World Wide Web was introduced.The static web was the first version of the web,which was the read-only web.Succeeding development in web technology is web 3.0 which is a distributed and decentralized web with emerging technologies.This article emphasizes the comparison of important details with the evolution of the web.The paper also demonstrates the transactional architecture of DApps in networks and decentralized state machines.Decentralization,connectivity,the semantic web,augmented reality and artificial intelligence are the signifi-cant features of web 3.0 technology.These features are tremendously used in decision-making on critical issues,which are discussed elaborately in the arti-cle.The paper provides various technologies to implement web 3.0 efficiently.The evolution of web 3.0 brings forth opportunities and challenges.The opportunities are the ownership of the data and a personalized web browsing experience.The main concerns are security and scalability requirements for blockchain transactions.The article also laid out the challenges that can be considered for further research.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.U24B20146)the National Key Research and Development Plan in China(Grant No.2020YFB1005500)Beijing Natural Science Foundation Project(No.M21034).
文摘With the rapid development of web3.0 applications,the volume of data sharing is increasing,the inefficiency of big data file sharing and the problem of data privacy leakage are becoming more and more prominent,and the existing data sharing schemes have been difficult to meet the growing demand for data sharing,this paper aims at exploring a secure,efficient and privacy-protecting data sharing scheme under web3.0 applications.Specifically,this paper adopts interplanetary file system(IPFS)technology to realize the storage of large data files to solve the problem of blockchain storage capacity limitation,and utilizes ciphertext policy attribute-based encryption(CP-ABE)and proxy re-encryption(PRE)technology to realize secure multi-party sharing and finegrained access control of data.This paper provides the detailed algorithm design and implementation of data sharing phases and processes,and analyzes the algorithms from the perspectives of security,privacy protection,and performance.
文摘Tim Berners-Lee developed the internet at CERN in early 1990 with fundamental technologies such as HTML,URL,and HTTP which became the foundation of the web.The contemporary web we use today has been much advanced over a period of time ever since the innovation of the World Wide Web was introduced.The static web was the first version of the web,which was the read-only web.Succeeding development in web technology is web 3.0 which is a distributed and decentralized web with emerging technologies.This article emphasizes the comparison of important details with the evolution of the web.The paper also demonstrates the transactional architecture of DApps in networks and decentralized state machines.Decentralization,connectivity,the semantic web,augmented reality and artificial intelligence are the signifi-cant features of web 3.0 technology.These features are tremendously used in decision-making on critical issues,which are discussed elaborately in the arti-cle.The paper provides various technologies to implement web 3.0 efficiently.The evolution of web 3.0 brings forth opportunities and challenges.The opportunities are the ownership of the data and a personalized web browsing experience.The main concerns are security and scalability requirements for blockchain transactions.The article also laid out the challenges that can be considered for further research.
