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Blockchain:Thenextinnovationtomakeourcitiessmarterwww.pwc.inPrefacep4/Executivesummaryp6/Introductionp7/Whatistheblockchain?p9/Transformativepotentialofblockchaintechnologyp16/Detailedusecasesp32/Wayforwardp46ContentsContentsPwC2Blockchain:Thenextinnovationtomakeourcitiessmarter31.Preface................................................................................................................................52.Executivesummary.............................................................................................................63.Introduction........................................................................................................................74.Whatisablockchain?..........................................................................................................94.1.Theblockchainadvantage..................................................................