【摘要】 针对泛在电力物联网中电力设备海量数据的存储问题，引入区块链技术，研究基于联盟链的泛在电力物联网数据存储方案。用联盟链平台替代原先的云平台，将链下与链上连接起来进行数据存储并保证它安全可信，通过Redis数据库连接联盟链，在链上引入改进的Hot-Stuff共识算法。认证协议用于双向可追溯性验证，防止恶意节点的接入。安全性分析表明，该方案满足数据的机密性、可用性和完整性。实验结果表明，所提方案与传统的分布式存储机制相比，在CPU的能耗、节点连接耗时以及系统吞吐量等方面都更优。更多还原

【Abstract】 Aiming at the problem of massive data storage of power equipment in ubiquitous internet of things,a data storage scheme of ubiquitous power internet of things was proposed with the help of blockchain technology.The original cloud platform was replaced with consortium blockchain platform,off chain and on chain data storage were combined to ensure its security and credibility.The consortium blockchain was connected through Redis database,and the improved Hot-Stuff consensus algorithm was introduced on the chain.The authentication protocol was used for two-way traceability verification to ensure that prevent access of malicious nodes.Security analysis shows that the proposed scheme meets the confidentiality,availability and integrity of data.Experimental results show that compared with the traditional distributed storage mechanism,the proposed scheme has better performance in CPU energy consumption,node connection time consumption and system throughput.更多还原