Improved pbft algorithm based on vague sets

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August undefined, 2024

Witryna3 kwi 2024 · A vehicle classification method based on improved ResNet Author(s): Kaiyan Zhang; Xinglong Feng ... PBFT consensus optimization algorithm based on group reputation Author(s): Xueli Shen; Yao Fu ... Optimizing blocked-Davidson method based on adaptive algorithm using the new Sunway supercomputer Author(s): … Witryna15 kwi 2024 · An Improved Practical Byzantine Fault Tolerance Algorithm Based on Vague Sets and Random Numbers Conference: 2024 7th International Conference …

A Consensus Mechanism Based on an Improved Genetic Algorithm

Witryna10 sie 2024 · The HC-PBFT algorithm consists of four parts: hash ring grouping strategy, consensus process, dual-view mechanism, and Byzantine node … Witryna20 mar 2024 · 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. First, the introduction of weighted impurity variables improves the CART algorithm, … iowa realtors look up

An Improved Practical Byzantine Fault Tolerance Algorithm Based …

Witryna13 kwi 2024 · 2.1 Edge detection. Edge detection using image processing has been a popular approach that extracts local changes in the images for detecting cracks [].Abdel-Qader et al. [] proposed the comparisons of four crack detection algorithms, including fast Haar transform (FHT), fast Fourier transform, Sobel, and Canny.It was found that … WitrynaPractical Byzantine Fault Tolerant algorithm (PBFT) is a fault-tolerant algorithm based on state machine replication, which solves the Byzantine error, that is, the malicious behavior of nodes. In PBFT, all participating nodes are … Witryna23 gru 2024 · PBFT is a consensus algorithm applied in Alliance chain. This paper combines PBFT with improved Delegated Proof of Stake consensus algorithm, … open data files macbook

Crack-Att Net: crack detection based on improved U-Net with

Research Article Improve PBFT Based on Hash Ring - Hindawi

WitrynaAlthough these improved algorithms optimize the tradi-tional PBFT algorithm to some extent, there are problems: grouping according to the node attributes, human interven-tion is large, and the grouping can be controlled by adjusting node attributes. Although direct communication in the nodes can be avoided, the aggregated signature is too large Witryna11 mar 2024 · For example, the credit evaluation model based on smart contracts and blockchain technology has been proposed, which has played an important role in enterprise credit evaluation . Some scholars have applied the improved PBFT consensus algorithm to the resource-sharing system and given the system framework. open data files in outlookWitrynaSG-PBFT: a secure and highly efficient PBFT consensus algorithm for Internet of Vehicles, which is based on a distributed blockchain structure. The distributed … iowa realty agents

"Blockchain is an emerging decentralized data collection, sharing, and storage technology, which have provided abundant transparent, secure, tamper-proof, secure, and robust ledger services for various real-world use cases. Recent years have witnessed notable developments of blockchain technology itself as well as blockchain … " - Improved pbft algorithm based on vague sets

Improved pbft algorithm based on vague sets

An Improved Practical Byzantine Fault Tolerance Algorithm Based …

Witrynanode in the PBFT consensus algorithm. We will reduce communicationtimesbyreducingtheconsensusphase.e … Witryna22 cze 2024 · Finally, we compare the proposed algorithm with DPoS algorithm and existing fuzzy set-based algorithms in different scales and network structures. Results show that no matter in what kind of network structures, the effectiveness of the proposed algorithm is improved. Among which, the most noticeable improvement is seen in …

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Witryna11 kwi 2024 · This paper mainly summarizes three aspects of information security: Internet of Things (IoT) authentication technology, Internet of Vehicles (IoV) trust management, and IoV privacy protection. Firstly, in an industrial IoT environment, when a user wants to securely access data from IoT sensors in real-time, they may face … Witryna13 sty 2024 · In this paper, an improved PBFT algorithm based on a comprehensive evaluation model is proposed. Specifically, the main contributions of this paper are as follows: First, nodes are divided into several groups based on the multi-formation control strategy of a UAV cluster.

Witryna1 sty 2024 · VS-PBFT has three phases: node partition, primary node selection, and global consensus. Firstly, the nodes of the whole network are partitioned using the … Witryna15 mar 2024 · The PBFT algorithm can solve the Byzantine generals problem, and even if there are a certain number of Byzantine nodes (malicious nodes), a consensus can still be reached among distributed nodes.

WitrynaAn Improved Practical Byzantine Fault Tolerance Algorithm Based on Vague Sets and Random Numbers Abstract: Aiming at the problems of improper election of … Witryna22 mar 2024 · PBFT is a consensus algorithm based on Byzantine fault tolerance that is widely used in current systems like blockchains. However, this algorithm has some problems that slow down its use on a large scale. In the interest of solving its problems, we have combined it with the Distributed Proof of Stake (DPoS) algorithm and smart …

Witryna10 sie 2024 · HR-PBFT algorithm proposes a hash grouping strategy based on the principle of consistent hash algorithm. Firstly, by hashing the unique identifier of the consensus node, each node obtains a unique hash value. Secondly, all nodes are arranged and combined into a hash ring according to the hash value.

WitrynaTo solve these limitations, an improved consensus algorithm VS-PBFT based on vague sets was proposed. VS-PBFT has three phases: node partition, primary node … iowa realty amesWitrynaExperimental comparisons show that the GV-PBFT algorithm has improved in terms of the number of communications, throughput and latency. Paper Details Date Published: 13 April 2024 PDF: 6 pages Proc. SPIE 12605, 2024 2nd Conference on High Performance Computing and Communication Engineering (HPCCE 2024), 126050O … opendatafrommanagedlocationsWitryna14 lut 2024 · 2.1 Practical Byzantine Fault Tolerant Algorithm. PBFT (Practical Byzantine Fault Tolerant Algorithm) [] is a fault-tolerant algorithm based on the Byzantine general problem, which is divided into five phases to achieve consistency.PBFT solves the problem that the original Byzantine algorithm is not … open data for analysisWitryna3 gru 2024 · Existing image completion methods are mostly based on missing regions that are small or located in the middle of the images. When regions to be completed are large or near the edge of the images, due to the lack of context information, the completion results tend to be blurred or distorted, and there will be a large blank area … iowa realty altoona officeWitryna19 sie 2024 · reason, many authors have proposed improved algorithms for PBFT. In the improved algorithm, consensus nodes are grouped by type to form a node structure with the same characteristics, which is more conducive to data storage and node management14,15,20. Also, dividing a large number of nodes into multiple consensus … open data flight information around the worldWitryna19 lis 2024 · pBFT is commonly thought of as an algorithm that does not scale. This perception is usually brought on by the notion of a node == server, which should not … open data contracts over $10kWitryna25 lis 2024 · Xu et al. [49] improved the DPoS consensus mechanism in blockchain based on a vague set. Considering the selection of agent nodes in the DPoS … iowa realty adel