Satellite-Aided Consensus Protocol for Scalable Blockchains

Ling, Xintong; Gao, Zheng; Le, Yuwei; You, Li; Wang, Jiaheng; Ding, Zhi; Gao, Xiqi

doi:10.3390/s20195616

Cited by 11 publications

(3 citation statements)

References 31 publications

(42 reference statements)

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“…Essentially, it is a decentralized database. With the maturity of blockchain, some projects have begun to focus on the deployment of blockchain in satellite networks [149]. Clark et al [150] designed a blockchain-based node reputation system for satellite relay networks.…”

Section: Information Restorationmentioning

confidence: 99%

Threat analysis for space information network based on network security attributes: a review

Fan

et al. 2022

Complex Intell. Syst.

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Space Information Network (SIN) is a multi-purpose heterogeneous network. Due to the large-scale of SIN, its secure and stable operation is vulnerable to various threats. Much of current threat analysis for SIN is based on the network function or architecture. However, this approach cannot clearly divide the relation between threats and secure communication measures for a highly integrated network. Furthermore, it will lead to overlapping in segregation of secure duties. This paper presents a comprehensive review of threats and corresponding solutions in SIN from the perspective of network security attributes. In order to make the analysis applicable to more scenarios, the following three most essential attributes, confidentiality, integrity and availability, are selected as the threatened objectives. At the same time, for cross-reference with the analysis based on network function or architecture, this paper relates network layers to network security attributes through secure communication mechanisms. Specifically, the confidentiality includes confidential information-exchange and Authentication and Key Agreement (AKA), the integrity includes information identification and information restoration, and the availability includes link establishment, routing mechanism, and mobility management. According to above framework, this paper provides a cross-layer perspective for analyzing threat and enhancing the security and stability of SIN. Finally, this paper concludes with a summary of challenges and future work in SIN.

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Section: Information Restorationmentioning

confidence: 99%

Threat analysis for space information network based on network security attributes: a review

Fan

et al. 2022

Complex Intell. Syst.

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“…In addition, a novel satellite-aided blockchain consensus protocol was devised in Ref. [ 133 ]. It makes full use of the advantages of wide coverage and ubiquitous connectivity to innovate the consensus protocol and can help construct a highly scalable space-terrestrial blockchain structure.…”

Section: Blockchain Radio Access Network For 6gmentioning

confidence: 99%

“…The simulation results in Ref. [ 133 ] show that the proposed consensus protocol can achieve higher throughput than PoW while maintaining the same security as PoW. In addition, the delay of terrestrial P2P networks is usually long-tailed due to the large number of hops [ 134 ], while the propagation delay of satellite communication is almost fixed and more controllable [ 135 , 136 ].…”

Section: Blockchain Radio Access Network For 6gmentioning

confidence: 99%

Blockchain-enabled wireless communications: a new paradigm towards 6G

Wang

Ling

et al. 2021

National Science Review

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With the deployment of fifth-generation (5G) wireless networks worldwide, research on sixth-generation (6G) wireless communications has commenced. It is expected that 6G networks can accommodate numerous heterogeneous devices and infrastructures with enhanced efficiency and security over diverse, e.g. spectrum, computing and storage, resources. However, this goal is impeded by a number of trust-related issues that are often neglected in network designs. Blockchain, as an innovative and revolutionary technology that has arisen in the recent decade, provides a promising solution. Building on its nature of decentralization, transparency, anonymity, immutability, traceability and resiliency, blockchain can establish cooperative trust among separate network entities and facilitate, e.g. efficient resource sharing, trusted data interaction, secure access control, privacy protection, and tracing, certification and supervision functionalities for wireless networks, thus presenting a new paradigm towards 6G. This paper is dedicated to blockchain-enabled wireless communication technologies. We first provide a brief introduction to the fundamentals of blockchain, and then we conduct a comprehensive investigation of the most recent efforts in incorporating blockchain into wireless communications from several aspects. Importantly, we further propose a unified framework of the blockchain radio access network (B-RAN) as a trustworthy and secure paradigm for 6G networking by utilizing blockchain technologies with enhanced efficiency and security. The critical elements of B-RAN, such as consensus mechanisms, smart contract, trustworthy access, mathematical modeling, cross-network sharing, data tracking and auditing and intelligent networking, are elaborated. We also provide the prototype design of B-RAN along with the latest experimental results.

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