Results 1 to 10 of about 874 (168)
Reputation-Driven Dynamic Node Consensus and Reliability Sharding Model in IoT Blockchain
Algorithms, 2022 The Internet of Things that links the cyber and physical worlds brings revolutionary changes to society, however, its security and efficiency problems have not been solved. The Consortium Blockchain + IoT is considered to be an effective solution.
Nianqi Jiang +4 more
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Data Privacy Security Mechanism of Industrial Internet of Things Based on Block Chain
Applied Sciences, 2022 In order to solve the problem that data of the industrial Internet of Things (IIoT) is easily tampered with and therefore, the authenticity of data may be questioned, a data-privacy security mechanism of the IIoT based on blockchain is proposed.
Yinggang Xie, Yuxin Li, Yunbin Ma
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Scalable Dynamic Multi-Agent Practical Byzantine Fault-Tolerant Consensus in Permissioned Blockchain
Applied Sciences, 2018 The permissioned blockchain system has recently become popular in a wide range of scenarios, such as artificial intelligence, financial applications and the Internet of things, due to its dominance in terms of distribution, decentralization, reliability ...
Libo Feng +3 more
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IEEE Access, 2023 Supervision of Livelihood Issues (SLI) refers to the supervision and participation of the general public in government actions and public affairs, with a particular focus on issues closely related to people’s lives.
Jinyue Xu, Caijian Hua, Yan Zhang
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Sensors, 2023 Based on the practical Byzantine fault tolerance algorithm (PBFT), a grouped multilayer PBFT consensus algorithm (GM-PBFT) is proposed to be applied to digital asset transactions in view of the problems with excessive communication complexity and low ...
Jian Liu +4 more
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Improved PBFT Algorithm Based on K-Means Clustering for Emergency Scenario Swarm Robotic Systems
IEEE Access, 2023 In order to solve the problem of data security and sharing efficiency caused by the complex and uncertain environment faced by swarm robotic systems in emergency scenarios, this paper designs a data security consensus algorithm based on blockchain ...
Yi Sun, Ying Fan
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PBFT optimization algorithm based on community contributions
Mathematical Biosciences and Engineering, 2023 <abstract><p>Community governance is the basic unit of social governance, and it is also an important direction for building a social governance pattern of co-construction, co-governance and sharing. Previous studies have solved the problems of data security, information traceability and participant enthusiasm in the process of community ...
Pengpeng Wang +4 more
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PBFT Consensus Algorithm Based on Bayesian Theory [PDF]
Jisuanji kexueConsensus algorithm is a method to ensure that all nodes in the blockchain network reach a consensus,such as PoW and PoS.The consensus mechanism affects the performance of the blockchain system.In order to solve the problems of low throughput and long ...
PAN Yanyang, YANG Binhao, JI Qingge
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On performance of PBFT for IoT-applications with constrained devices
CoRR, 2021 Cyber-physical systems and the Internet of things (IoT) is becoming an integral part of the digital society. The use of IoT services improves human life in many ways. Protection against cyber threats is an important aspect of the functioning of IoT devices. Malicious activities lead to confidential data leakages and incorrect performance of devices are
Yaroslav Meshcheryakov +4 more
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A Security Authentication Scheme of 5G Ultra-Dense Network Based on Block Chain
IEEE Access, 2018 The ultra-dense network (UDN) is one of the most promising technologies in the fifth generation (5G) to address the network system capacity issue. However, it is a new challenge that the user equipment (UE) secure access UDN composed of the access points
Zhonglin Chen +3 more
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