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A Reputation-based Approach using Consortium Blockchain for Cyber Threat Intelligence Sharing [article]

Zhang Xiaohui, Miao Xianghua
2021 arXiv   pre-print
In addition, the novel consensus algorithm of consortium blockchain that is fit for CTI sharing and exchange introduced in this paper.  ...  However, the distributed connectivity of the blockchain-based CTI sharing model proposed before exposes the systems into byzantine attacks, the compromised members of partner organizations will further  ...  PrevIndex Table 8 . 8 Performance in the consensus algorithm of consortium blockchain Algorithms PBFT Raft PoR Crash Fault Tolerance 33% 50% 50% Byzantine Fault Tolerance 33% N/A 50%  ... 
arXiv:2107.06662v1 fatcat:zs6dnx7ia5hipnb3wsoh3avsya

A Survey on Consortium Blockchain Consensus Mechanisms [article]

Wei Yao, Junyi Ye, Renita Murimi, Guiling Wang
2021 arXiv   pre-print
For example, the HyperLedger by Linux Foundation includes implementing Practical Byzantine Fault Tolerance (PBFT) as the consensus algorithm.  ...  Unlike a public blockchain, a consortium blockchain is an enterprise-level blockchain that does not contend with the issues of creating a resource-saving global consensus protocol.  ...  Section 4 addresses variants of the Byzantine Fault Tolerance (BFT)-based consensus algorithm in consortium blockchains.  ... 
arXiv:2102.12058v2 fatcat:jjpbp7rmfrby5byqkqicp3gzym

A Survey on Consensus Algorithms used in Blockchain Platforms

2020 International Journal of Advanced Trends in Computer Science and Engineering  
The consensus algorithm decides how new blocks can be added to the blockchain. There are different consensus algorithms.  ...  Today various platforms adopt blockchain technology. The consensus algorithm plays a main role in the blockchain architecture.  ...  Practical Byzantine Fault Tolerance The PBFT algorithm optimizes the byzantinefaults [18 ] .  ... 
doi:10.30534/ijatcse/2020/323952020 fatcat:4cfbmi5qmvbavpad7zzwcp5igq

Enhancing the performance of the blockchain consensus algorithm using multithreading technology

Hossam Samy, Ashraf Tammam, Ahmed Fahmy, Bahaa Hasan
2021 Ain Shams Engineering Journal  
In this paper, we aim to provide a reliable choice for different business use-cases by proposing a modification in the Istanbul Byzantine Fault Tolerance voting-based algorithm that provides a higher throughput  ...  Blockchain is one of the most powerful and promising technologies nowadays in the IT industry, One of Blockchain's main features is the presence of a Consensus Algorithm, which is responsible for maintaining  ...  PBFT is an example of byzantine-fault-tolerance algorithms.  ... 
doi:10.1016/j.asej.2021.01.019 fatcat:2kx2teqkhrc6panw7yizefxrkq

Correctness Analysis of IBFT [article]

Roberto Saltini, David Hyland-Wood
2019 arXiv   pre-print
In this paper we analyse the correctness of Istanbul BFT (IBFT), which is a Byzantine-fault-tolerant (BFT) proof-of-authority (PoA) blockchain consensus protocol that ensures immediate finality.  ...  We show that the IBFT protocol does not guarantee Byzantine-fault-tolerant consistency and liveness when operating in an eventually synchronous network, and we propose modifications to the protocol to  ...  Sandra Johnson for verifying its overall soundness, fixing several typos and further improving the document readability, Franck Cassez for reviewing the document, suggesting to use process algebra notation  ... 
arXiv:1901.07160v2 fatcat:odldxpidqbg7ddi3lj7qw7tyoa

MBFT: a new consensus algorithm for consortium blockchain

Mingxiao Du, Qijun Chen, Xiaofeng Ma
2020 IEEE Access  
INDEX TERMS Blockchain, consensus algorithm, Byzantine fault tolerance, distributed system.  ...  In existing consortium blockchains and public blockchains, the blockchain has low efficiency or poor fault tolerance because of the limitations of the consensus algorithm.  ...  ACKNOWLEDGMENT This research was supported by Suzhou Tongji Blockchain Research Institute. The authors thank the assistance of Xiuze Mao and Xianxian Zhou in system implementation and testing.  ... 
doi:10.1109/access.2020.2993759 fatcat:k3letm4jwzapvefnngenvq4moe

Evaluating the Red Belly Blockchain [article]

Tyler Crain, Christopher Natoli, Vincent Gramoli
2018 arXiv   pre-print
To achieve scalability across servers in more than 10 countries located on 4 different continents, we drastically revisited Byzantine fault tolerant blockchains and verification of signatures.  ...  We compared the performance of RBBC against traditional Byzantine fault tolerant alternatives and more recent randomized solutions.  ...  The HoneyBadger Byzantine Fault Tolerance (HBBFT) [28] aims at solving ASC by building upon an asynchronous binary Byzantine consensus algorithm [29] that is probabilistic and assumes a fair scheduler  ... 
arXiv:1812.11747v1 fatcat:qozy6i3ifzg2dh2d4l7mh7vxzm

Dynamic reputation–based consensus mechanism: Real-time transactions for energy blockchain

Wenjun Cai, Wei Jiang, Ke Xie, Yan Zhu, Yingli Liu, Tao Shen
2020 International Journal of Distributed Sensor Networks  
The dynamic-reputation practical Byzantine fault tolerance algorithm adopts a credit-based consortium node consensus election method.  ...  To this end, according to the analysis of conventional blockchain consensus algorithm and traditional practical Byzantine fault tolerance algorithm, a dynamic-reputation practical Byzantine fault tolerance  ...  PBFT algorithm Most of the traditional consensus algorithms rarely consider the Byzantine fault tolerance problem, and the PBFT algorithm solves the problem that the original Byzantine fault-tolerant algorithm  ... 
doi:10.1177/1550147720907335 fatcat:4ydsahzlxnecxlsg55bug3oyvi

Guest Editorial Introduction to the Special Section on Blockchain in Future Networks and Vertical Industries

Yulei Wu, Zheng Yan, Ruppa K. Thulasiram, Mohammed Atiquzzaman
2021 IEEE Transactions on Network Science and Engineering  
Then, a byzantine fault tolerance-based proof-of-stake consensus protocol is applied in consortium blockchain to reach consensus efficiently.  ...  In detail, they replace the practical Byzantine Fault Tolerance consensus protocol with the behavior-based Raft consensus protocol to incentivize honest behaviors and neutralize malicious attacks.  ... 
doi:10.1109/tnse.2021.3073636 fatcat:fzk2op3bybdrnh3hbdyfwf47bq

Blockchain Technology Consensus Algorithms and Applications: A Survey

Samar Alsaqqa, Sufyan Almajali
2020 International Journal of Interactive Mobile Technologies  
Furthermore, the study gives an insight into the latest adoption of the blockchain in the real world.</p>  ...  <p class="0abstract">One of the new promising technologies for the future is blockchain.  ...  Practical byzantine fault tolerance In case if there are malicious nodes in the system, a practical byzantine fault tolerance algorithm solves this issue.  ... 
doi:10.3991/ijim.v14i15.15893 fatcat:tqcjqol5vfds5najefiamvxeb4

Optimization of PBFT Algorithm Based on Improved C4.5

Xiandong Zheng, Wenlong Feng, Mengxing Huang, Siling Feng
2021 Mathematical Problems in Engineering  
Aiming at the problems of PBFT algorithm of consortium blockchain, such as high communication overhead, low consensus efficiency, and random selection of leader nodes, an optimized algorithm of PBFT is  ...  Experimental results show that compared with traditional PBFT algorithm, the communication times of the improved PBFT algorithm are reduced greatly, which effectively alleviates the problem that the number  ...  Existing Byzantine fault-tolerant algorithms either have poor scalability or low fault-tolerant rate.  ... 
doi:10.1155/2021/5542078 doaj:0c2f2b88b1e64e5e99e1ab02f54e62b4 fatcat:4jrtgzdzubfbhcad4dr4v4xaca

A Survey on Challenges and Progresses in Blockchain Technologies: A Performance and Security Perspective

Xiaoying Zheng, Yongxin Zhu, Xueming Si
2019 Applied Sciences  
However, there is a significant concern of blockchain's performance, since blockchain trades off its performance for a completely distributed feature, which enhances its security.  ...  We also make experiments on Ethereum and survey other popular blockchain platforms on the scalability feature of blockchain.  ...  Some consensus algorithms of blockchain are Byzantine fault tolerant, where honest nodes can still reach an agreement with the existence of malicious nodes.  ... 
doi:10.3390/app9224731 fatcat:ccijixyhpje3xjjxgwowsamew4

Lodestone: An Efficient Byzantine Fault-Tolerant Protocol in Consortium Blockchains

Chen Shan, Lei Fan, Yuling Chen
2021 Security and Communication Networks  
We present Lodestone, a chain-based Byzantine fault-tolerant (BFT) state machine replication (SMR) protocol under partial synchrony.  ...  Similar to the state-of-the-art chain-based BFT protocols, Lodestone can be optimized with a pipelining idea elegantly.  ...  When focusing on permissioned blockchains on so-called consortium blockchains, chain-based Byzantine fault-tolerant (BFT) SMR protocols [1] [2] [3] [4] [5] [6] [7] [8] under partial synchrony have been  ... 
doi:10.1155/2021/2507670 fatcat:x5fvincqbje5dirzeiilfoaf2y

Blockchain in the Implementation of VAT Collection

Georges Bell Bitjoka, Moïse Macaire Nnanga Edoa
2020 American Journal of Computer Science and Technology  
Optimizing the process of the VAT collection it will come back to secure without violating the rules of the declarative fiscal regime.  ...  So, it's about creating a virtual currency known as TVACoin that will have as platform a Blockchain. This currency will permit all payment attach to the VAT.  ...  The BFT Raft Consensus Algorithm (Byzantin Fault Tolerance Raft) The Blockchain consortium has a set of the most widely used consensus algorithms. These vary according to several criteria.  ... 
doi:10.11648/j.ajcst.20200302.11 fatcat:6ijqz6uxijgkxldhdkyfcnjzii

When Energy Trading Meets Blockchain in Electrical Power System: The State of the Art

Naiyu Wang, Xiao Zhou, Xin Lu, Zhitao Guan, Longfei Wu, Xiaojiang Du, Mohsen Guizani
2019 Applied Sciences  
In the future, we will strive for a better optimized structure and establish a comprehensive security assessment model for blockchain-based energy trading system.  ...  However, there are still some problems to be solved, for example, the lack of regulatory system, environmental challenges and so on.  ...  The practical Byzantine fault-tolerant algorithm is a replication algorithm that can tolerate Byzantine failures. It is practical and works in asynchronous environments [20, 125] .  ... 
doi:10.3390/app9081561 fatcat:44dx4anw3ben7jf3gnyycpsscq
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