区块链BLOCKCHAIN商户导购区块链应用实践什么是区块链•定义:ABLOCKCHAINORIGINALLY,BLOCKCHAINISADISTRIBUTEDDATABASETHAT——MAINTAINSACONTINUOUSLY-GROWINGLISTOFDATARECORDSHARDENEDAGAINSTTAMPERINGANDREVISION
ITCONSISTSOFDATASTRUCTUREBLOCKSWHICHHOLD—EXCLUSIVELYDATAININITIALBLOCKCHAINIMPLEMENTATIONS,ANDBOTHDATAANDPROGRAMSINSOMEOFTHEMORERECENTIMPLEMENTATIONSWITHEACHBLOCKHOLDING—BATCHESOFINDIVIDUALTRANSACTIONSANDTHERESULTSOFANYBLOCKCHAINEXECUTABLES
EACHBLOCKCONTAINSATIMESTAMPANDINFORMATIONLINKINGITTOAPREVIOUSBLOCK•是一个分布式数据库,它维护不断增长的防止篡改和修改的数据记录列表
它由数据结构块实现完全数据初始区块举行,在一些块保持批次个别交易更近的实现和任何区块数据和程序执行的结果
每个块包含一个时间戳和将它链接到上一块的信息
什么是区块链•定义:ABLOCKCHAINORIGINALLY,BLOCKCHAINISADISTRIBUTEDDATABASETHAT——MAINTAINSACONTINUOUSLY-GROWINGLISTOFDATARECORDSHARDENEDAGAINSTTAMPERINGANDREVISION
ITCONSISTSOFDATASTRUCTUREBLOCKSWHICHHOLD—EXCLUSIVELYD