Results 161 to 170 of about 2,824 (230)

APBFT: An Adaptive PBFT Consensus for Private Blockchains

GLOBECOM 2022 - 2022 IEEE Global Communications Conference, 2022
International audienceAs smart cities become more decentralized, the need for reliable and secure cyber-physical systems (CPS) that guarantee safe interactions and secure data storage without loss of privacy is continuously increasing.
Kenza Riahi, Mohamed-el-Amine Brahmia, Abdelhafid Abouaissa, Lhassane Idoumghar   +3 more
openaire   +2 more sources

Improvement of PBFT Algorithm Based on CART

Electronics (Switzerland), 2023
In response to the problems of the practical Byzantine fault-tolerant algorithm (PBFT), such as random selection of master nodes and poor scalability, a CART-based PBFT optimization algorithm is proposed, namely the C-PBFT algorithm.
Wenlong Feng
exaly   +2 more sources

Investigation of Dose Effect of ICRP110 Male and Female Head Phantoms During BNCT and PBFT by Monte Carlo Simulations

Atom Indonesia
Boron Neutron Capture Therapy (BNCT) and Proton Boron Fusion Therapy (PBFT) are of great interest in the field of radiation oncology. These treatment methods may offer different advantages and disadvantages depending on the type of tissue involved, as ...
H. Korkut, T. Korkut, V. P. Singh
semanticscholar   +2 more sources

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Security risks and solutions of concurrent PBFT

Expert Systems With Applications
Jiliang Zhang, Dayu Jia, Xingwei Wang
exaly   +2 more sources

Optimization of PBFT Algorithm Based on QoS-Aware Trust Service Evaluation

Sensors, 2022
In service-transaction scenarios, blockchain technology is widely used as an effective tool for establishing trust between service providers and consumers. The consensus algorithm is the core technology of blockchain.
Wenlong Feng, Mengxing Huang, Yun Xu
exaly   +2 more sources

Challenges of PBFT-Inspired Consensus for Blockchain and Enhancements over Neo dBFT

Future Internet, 2020
Consensus mechanisms are a core feature for handling negotiation and agreements. Blockchain technology has seen the introduction of different sorts of consensus mechanism, ranging from tasks of heavy computation to the subtle mathematical proofs of ...
Igor M Coelho, Vitor N Coelho, Rodolfo Pereira Araujo   +2 more
exaly   +2 more sources

Secure Task Offloading in Blockchain-Enabled MEC Networks With Improved PBFT Consensus

IEEE Transactions on Cognitive Communications and Networking
In this paper, we investigate the secure task offloading and computation resource allocation issues in a consortium blockchain-enabled multi-access edge computing (MEC) system.
Jianbo Du, Zuting Yu, Aijing Sun, Jing Jiang, Haitao Zhao, Ning Zhang, Celimuge Wu, F. Richard Yu   +7 more
semanticscholar   +1 more source

Secure Consensus Control on Multi-Agent Systems Based on Improved PBFT and Raft Blockchain Consensus Algorithms

IEEE/CAA Journal of Automatica Sinica
There has been significant recent research on secure control problems that arise from the open and complex real-world industrial environments. This paper focuses on addressing the issue of secure consensus control in multi-agent systems (MASs) under ...
Jing Zhu, Chengfang Lu, Juanjuan Li, Fei‐Yue Wang   +3 more
semanticscholar   +1 more source

An Anonymous Authentication Scheme for Internet of Vehicles Based on TRUG-PBFT Main–Secondary Chains and Zero-Knowledge Proof

IEEE Internet of Things Journal
The application of Internet of Vehicles (IoV) technology has greatly improved users’ driving experience, but it also faces some challenges: 1) the central server is not powerful enough to support the rapid growth of IoV identity authentication requests ...
Wenxian Jiang, Zhenping Guo
semanticscholar   +1 more source

Improved PBFT Consensus Mechanism Based on Voting Sort Clustering Partition With Group Signature for IoT

IEEE transactions on intelligent transportation systems (Print)
The consensus mechanism is crucial to blockchain performance, making it essential to design a mechanism that aligns with the characteristics of the Internet of Things (IoT).
Shi Dong, Huadong Su, Ruizhe Hou, Achyut Shankar   +3 more
semanticscholar   +1 more source