CS251FinalExam2021DueWednesday,Dec.8,2021,11:59pmongradescopeInstructions:Youmayuseany(non-human)resourcetoanswerthequestions.Youmaynotcollaboratewithothers.YourName:SUNetID:@stanford.eduInaccordancewithboththeletterandthespiritoftheStanfordHonorCode,Ineitherreceivednorprovidedanyassistanceonthisexam.Signature:•Theexamhas6questionstotaling100points.•Youhaveuntilthedeadlinetocompletethem.•PleasesubmityouranswersonGradescope(D5GKRX)•Keepyouranswersconcise.1/182/203/204/165/156/11Total/100Page1of12Problem1.[18points]:Questionsfromallover.A)BrieflyexplainwhyaRollupsystemstoresalltransactiondataonchain?Whatwouldgowrongiftransactiondatawerediscardedandnotst...
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