ASecureandPracticalBlockchainSchemeforIoT

ASecureandPracticalBlockchainSchemeforIoT.pdf
Withfeaturessuchasdecentralization,consistency,tamperresistance,non-repudiationandpseudonym,blockchaintechnologyhasthepotentialtostrengthenInternetofThings(IoT)significantly,thusopeninganintriguingresearchareaintheintegrationofblockchainandIoT.However,mostexistingblockchainschemeswerenotdedicatedtotheIoTecosystemandhencecouldnotmeetthespecificrequirementsofIoT.Weaimtofixthegapinthispaper.InspiredbyChainspace,ablockchainplatformwhichcouldbeadoptedinIoT,weproposeVChain,anovelblockchainschemesuitableforIoTwhichismoresecure,concreteandpracticalcomparedwithChainspace.Specifically,inVChain,wedesignatwo-layerBFTbasedconsensusprotocolwithHoneyBadgerBFTprotocolandacollectivesignatureschemeasbuildingblocks.Thisallowsforsupportingfaulty-shards-toleranceandasynchronousnetworkmodelwhichcouldnotbesustainedinChainspaceandkeepinghighefficiencyaswell.Moreover,theshardingstrategypresentedinVChain,differentfromthatinRapidChainwhichadoptstheenergy-consumingPoWmechanismforsharding,isenvironmentfriendlyandthusmakesVChainfitforIoTwell.Lastbutnotleast,VChainalsoinheritsthemeritsofChainspacetoseparatetheexecutionandverificationofsmartcontractsforprivacy.
作者：HongyangLiuFengShenZhiqiangLiuYuLongZhenLiuShifengSunShuyangTangDawuGu
作者单位：SchoolofElectronicInformationandElectricalEngineering,ShanghaiJiaoTongUniversity,Shanghai,China
母体文献：2019年上海市“智能计算与智能电网”研究生学术论坛论文集
会议名称：2019年上海市“智能计算与智能电网”研究生学术论坛  
会议时间：2019年5月17日
会议地点：上海
主办单位：上海市学位委员会
语种：chi
分类号：
关键词：Blockchain  IoT  Sharding  Two-LayerBFT
在线出版日期：2022年9月21日
基金项目：
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