Ren, YongjunZhu, FujianSharma, Pradip KumarWang, TianWang, JinAlfarraj, OsamaTolba, Amr2020-07-082020-07-082020-01-01Ren, Y, Zhu, F, Sharma, P K, Wang, T, Wang, J, Alfarraj, O & Tolba, A 2020, 'Data query mechanism based on hash computing power of blockchain in internet of things', Sensors (Switzerland), vol. 20, no. 1, 207. https://doi.org/10.3390/s200102071424-8220ORCID: /0000-0001-6620-9083/work/76976498https://hdl.handle.net/2164/14672Funding: This work is supported by the NSFC (61772280, 61772454, 61811530332, 61811540410), the PAPD fund from NUIST. This work was funded by the Researchers Supporting Project No. (RSP-2019/102) King Saud University, Riyadh, Saudi Arabia. Jin Wang and Osama Alfarraj are the corresponding authors. Acknowledgments: We thank Researchers Supporting Project No. (RSP-2019/102) King Saud University, Riyadh, Saudi Arabia for funding this paper. Author Contributions: Y.R., F.Z. and O.A. conceived the mechanism design and wrote the paper, P.K.S. built the models. T.W. and A.T. developed the mechanism, J.W. and O.A. revised the manuscript. All authors have read and agreed to the published version of the manuscript.222730246engSDG 7 - Affordable and Clean EnergyBlockchainCloud storageHash queryIoT dataPRIVACYblockchainCLOUDcloud storageSECURITYTREEhash queryQA75 Electronic computers. Computer scienceAnalytical ChemistryInstrumentationAtomic and Molecular Physics, and OpticsElectrical and Electronic EngineeringBiochemistryQA75Journal article10.3390/s20010207http://www.scopus.com/inward/record.url?scp=85077365858&partnerID=8YFLogxK201