NetTopoBFT:对于高覆盖率联盟区块链的网络拓知晓的拜占庭式故障容忍度
Runyu Chen1, Rangang Zhu1, Lunwen Wang1
1College of Electronic Engineering, National University of Defense Technology, Hefei 230037, China.
Entropy (Basel, Switzerland)
|November 26, 2025
概括
NetTopoBFT通过评价各节点的声誉和结构来增强联盟区块链. 这种网络拓意识算法提高了供应链的安全性和连接性,需要可靠的交易最终性.
科学领域:
- 区块链技术 区块链技术
- 分布式系统 分布式系统
- 网络安全 网络安全
背景情况:
- 实用拜占庭式故障容忍 (PBFT) 对联盟区块链至关重要,但在规模上面临性能和安全问题.
- 现有的PBFT改进往往忽视节点结构和网络覆盖,影响整体系统的稳定性.
- 供应链中的联盟区块链需要高的交易最终性和安全性,这是传统PBFT扎的领域.
研究的目的:
- 提出NetTopoBFT,这是一个新的网络拓意识的拜占庭式容错算法,用于联盟区块链.
- 通过在加权签名网络中整合具有结构重要性的行为声誉来增强节点评估.
- 通过可验证随机函数 (VRF) 和重复覆盖等待列表来提高领导者选择安全性和系统稳定性.
主要方法:
- 开发了一种双层贝叶斯平滑节点评估模型,将行为声誉和结构重要性结合起来.
- 集成加权签名网络与联盟链,以分析节点关系.
- 实施可验证随机函数 (VRF) 以确保领导人选举,并为系统连接提供重复覆盖驱动的等待列表机制.
主要成果:
- 在保持分散的同时,NetTopoBFT显著提高了共识节点的质量.
- 该算法实现了通信开销,安全和网络覆盖的同时优化.
- 实验结果验证了NetTopoBFT在改善联盟区块链的拜占庭式故障耐受性的有效性.
结论:
- NetTopoBFT提供了一种新的方法来设计联盟区块链的共识机制,特别是供应链等应用程序.
- 拟议的方法通过考虑网络拓和节点特征来解决传统PBFT的局限性.
- 该算法为要求严格交易最终性和改进网络弹性的系统提供了强大而安全的解决方案.
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