Blockchainisatechnologythatpowersthedevelopmentofdecentralizedapplications.Thistechnologyallowstheconstructionofanetworkwithnosinglecontrolthatenablesparticipantstomakecontributionstoandreceivebenefitsfromthenetworkdirectly.Thisbookwillgiveyouathoroughoverviewofblockchainandexplainhowablockchainworks.Youwillbeginbygoingthroughvariousblockchainconsensusmechanismsandcryptographichashfunctions.YouwillthenlearnthefundamentalsofprogramminginSolidity–thedefactolanguagefordevelopingdecentralize,applicationsinEthereum.Afterthat,youwillsetupanEthereumdevelopmentenvironmentanddevelop,package,build,andtestcampaign-decentralizedapplications.ThebookalsoshowsyouhowtosetupHyperledgercomposertools,analyzebusinessscenarios,designbusinessmodels,andwriteachaincode.Finally,youwillgetaglimpseofhowblockchainisactuallyusedindifferentreal-worlddomains.Bytheendofthisguide,youwillbecomfortableworkingwithbasicblockchainframeworks,anddevelopsecure,decentralizedapplicationsinahassle-freemanner.