Blockchain Technology Overview

Blockchainsareimmutabledigitalledgersystemsimplementedinadistributedfashion(i.e.,84withoutacentralrepository)andusuallywithoutacentralauthority.Atitsmostbasiclevel,they85enableacommunityofuserstorecordtransactionsinaledgerpublictothatcommunitysuchthat86notransactioncanbechangedonc