密码学报（中英文）2024，Vol.11Issue(5)：1044-1061,18.DOI:10.13868/j.cnki.jcr.000725
群智感知中基于区块链的共识节点招募方法
Blockchain-Based Consensus Node Recruitment Scheme in Crowdsensing System
摘要
Abstract
With the rapid popularization of mobile terminals,crowdsensing systems have received extensive attention in academic circles.Nevertheless,most existing work relies on a trusted third-party to perform worker selection and collect data on an enormous scale,which is hard to balance protection of worker's privacy and fair data quality assessment.To tackle these issues,a blockchain-based consensus node recruitment scheme in crowdsensing system(BNRS)is proposed.The BNRS realizes selecting a single consensus node in workers fairly and secretly through the Pedersen commitment to hide worker's election random key and using the zero-knowledge proof system and blockchain to ensure the privacy and completeness of data in elections.Considering the hidden trouble of single point failure,the BNRS supports restarting election regularly to maintain consensus node updates to resist collusion attacks.The BNRS also designs an updating phase based on the Pedersen commitment,which updates election random key regularly and safely to resist dynamic corruption.After reaching twice consensus on data quality evaluation results,consensus node updates reputation and calculates remuneration based on contributions to ensure fair rewards and punishment for workers and encouraging them to provide high-quality data,thereby improving the enthusiasm of workers to participate in task.Simulation results indicate that the BNRS not only achieves a secure and fair election process,but also does not increase additional computational and storage burden on workers.关键词
群智感知/区块链/隐私保护/共识机制Key words
crowdsensing/blockchain/privacy protection/consensuses mechanism分类
信息技术与安全科学引用本文复制引用
邹琪,张明武,王晶,杨波..群智感知中基于区块链的共识节点招募方法[J].密码学报（中英文）,2024,11(5):1044-1061,18.基金项目
湖北省重大研究计划(2023BAA027) （2023BAA027）
国家自然科学基金(62072134) （62072134）
国家自然科学基金委员会-广东联合基金重点项目(U2001205) （U2001205）
湖北省重点研发计划(2021BEA163)Major Research Plan of Hubei Province(2023BAA027) （2021BEA163）
National Natural Science Foundation of China(62072134) （62072134）
Key Program of Joint Funds of National Natural Science Foundation of China and Guangdong Province(U2001205) （U2001205）
Key Research and Development Program of Hubei Province(2021BEA163) （2021BEA163）
