GET STARTEDAn internal auditor’s guide to blockchainRisk considerations in blockchain technology
2019 essential tax and wealth planning guide 2 An internal auditor’s guide to blockchain2
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Predictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Case in point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Risk considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Dataconfidentialityrisks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Privatekeymanagementrisks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Consensusandgovernancerisks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Integrationrisks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Scalabilityrisks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
IT operations risk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Businessandregulatoryrisks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Codedevelopmentrisks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Businesscontinuityanddisasterrecoveryrisks . . . . . . . . . . . . . . . . . . .17
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Contact us . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2019 essential tax and wealth planning guide 3 An internal auditor’s guide to blockchain3
Overview
Technology-basedsolutionsworkbestwhentheyaredesignedtosolvereal-worldproblems.Inaworldwhereswipeleftorrightandone-clickdominatethemarket,thereisagenuinedesiretostreamlinecomplexbusinessproblems.Thecomplexityofbusinesstransactionsandapotentiallackoftrustbetweenpartiescreateopportunitiesforinnovativesolutions.Onesuchinnovation,blockchain technology,alsocalleddistributedledgertechnology,hasexperiencedexplosivegrowth.
Blockchaintechnology-basednewproofsofconcept(PoC)continuetodevelopinmanyindustries,andacertainnumberofthemareclosetoadvancingfromthepilotphasetoimplementation.Asblockchaintechnologycontinuestoevolveandexpandonitspromisetosimplifytransactionalcomplexities,italsogivesrisetopreviouslyunforeseenrisksforbusinesses.Asorganizationsconsiderimplementingblockchain-basedsolutions,internalauditorsneedtoassesstheseemergingrisksandretroactivelyadvisemanagementon waystoimplementappropriatesafeguards.
Foranintroductiontoblockchainforinternalauditors,readpartoneofthisseries .1 Weintroducedtheconceptofblockchain,peer-to-peernetworks,andasymmetrickeycryptographyconsensusmechanism.Inaddition,weprovidedanoverviewofcryptocurrencies,smartcontracts,tokens,andinitialcoinofferings.Wealsodiscussedkeyfeaturesofdifferenttypesofblockchainsandhowblockchaintechnologyworks.
Overview
Case in point
Risk considerations
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1 “Aninternalauditor’sguidetoauditingblockchain:Blurringthelinebetweenphysicalanddigital,”DeloittePerspectives,accessedMay2019.
2019 essential tax and wealth planning guide 4 An internal auditor’s guide to blockchain4
Overview (cont.)
PredictionsArecentarticlepublishedbyGartnermadethefollowingblockchainpredictions:2
Overview
Case in point
Risk considerations
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By2023,mostofthetechnicalchallengeswithblockchainwillhavebeenresolved.
Enterprisesthatfailtoconductsufficientscenarioplanninganddelayconsiderationofblockchain’sdecentralizationandtokenizationriskbeingdisintermediatedorfailingtoseizethegreatestbusinessvaluefromblockchain.
Leaderswhowanttomakegoodinvestmentsinblockchainneedaclearmodeloftheblockchainuniverse,itsevolution,andthevariousaspectsofassociatedtechnologiesandtheirimportance.Theywillalsoneedtounderstandtheimpactofthesecapabilitiesontheenterprise’soperatingmodelinitiallyanditsbusinessmodelsovertime.
Inpart2,wewilldiscussriskconsiderationsrelatedtoimplementingblockchaintechnologythroughaninternalauditlens.Asathirdlineofdefense,aninternalauditisentrustedwiththeresponsibilityofprovidingtheboardanditsmanagementwithcomprehensiveassurancewhilemaintainingitsindependenceandobjectivitywithintheorganization.
2DavidFurlongerandRajeshKandaswamy,“Blockchaintechnologyspectrum:AGartnerthemeinsightreport,”Gartner,October8,2018.
2019 essential tax and wealth planning guide 5 An internal auditor’s guide to blockchain5
Overview
Case in point
Risk considerations
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Case in point
Whiletrustisakeyprincipleofblockchain, thetechnologyisnotfreefromotherrisks. Asalways,internalauditorsmustthinkthroughthelensof“whatcouldgowrong”whenperforminganassessmentofablockchain-basedsolutionbeingconsidered bythebusinessforimplementation.
Wewillillustratespecificriskconsiderationstobringblockchainconceptstolifebyusingafictitiousexampleofaninternalauditdepartmentperformingapreimplementationreviewofablockchain-basedsolutionbeingconsideredbyabankforimplementationin itsinternationaltradefinance(ITF)department(seefigure1onpage6).
Distributed Bank, LLC (DBL) is a retail bank with global operations. During the annual planning meeting, the chief audit executive (CAE) “notified” internal audit leadership that the bank’s ITF department was currently building a PoC using a blockchain technology-based solution. The proposed solution would create a consortium of participants in a blockchain that would include corporate clients (buyers and suppliers), correspondent banks, trade-facilitation service providers, and, potentially, regulators. The preimplementation review of the proposed solution was scoped in as part of the internal audit plan. The CAE assigned the preimplementation review to John Block. Before kicking off his review, John decided to enhance his understanding of blockchain application for ITF by watching a short video.3 John learned that as goods move from the seller to the buyer, ITF operations enable the transfer of monetary payments. They also enable companies to be paid faster using “factoring,” which involves the bank paying the seller of goods before the buyer of the goods makes the payment. Factoring involves multiple risk factors for all parties, including nonpayment, duplicate payment misrepresentation, and even fraud. The proposed solution should lead to more efficiency in the process.
3 “DeloitteMercuryTradeFinanceOverview,”DeloitteBlockchainvideo,postedOctober14,2016.
2019 essential tax and wealth planning guide 6 An internal auditor’s guide to blockchain6
Overview
Case in point
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Case in point (cont.)
Figure 1. Use of blockchain technology in ITF
DLT network
Regulator
Corporate client
Freight forwarder
Correspondent bank
Trade faciliation service provider
Bank
SMEs
Commercial clients
SMEs
SMEs
Other participants
2019 essential tax and wealth planning guide 7 An internal auditor’s guide to blockchain7
Overview
Case in point
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Case in point (cont.)
How blockchain technology can benefit ITF participants:
FREIGHT FORWARDERS
•Digitalhandlingoftradedocuments
• Instantcommunicationbetweenparties
•Fasterpaymentduetoreducedprocessingtime
REGULATORS
•Real-timeoversightofprocesses
• Immutableledgeroftransactionsrelatingtotransfer ofassets
•Real-timeinformationfeed
• Improvedcreditratinginformation
BANKS
• Increasedoperationalefficiencies
•Dataprivacyprotectionthroughpermissionedaccess
•Abilitytoprovidenewvalue-addedservices
•Sharedplatformwithotherstakeholders,ensuring greatertransparencyandreducedmanualreconciliation
•Preventionofdoublefinancingorabuseoftransactions,resultinginmoreefficientcapitalallocation
SME (BUYERS/SELLERS)/SME/CORPORATE CLIENTS/COMMERCIAL CLIENTS/OTHER PARTICIPANTS
•Mitigationofpaymentrisk
•Clearoversightofdeliveryprocesses
•Reducedcostsbydigitizingpaper-baseddocuments
•Smartcontract-triggeredfinancing
•Potentialtodisintermediate“trustedthirdparties,” asstakeholderscanconnectdirectlyontheplatform andaccessdatarelatingtotransactions
2019 essential tax and wealth planning guide 8 An internal auditor’s guide to blockchain8
Risk considerations Overview
Case in point
Risk considerations
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SPECIFIC RISKSDataconfidentiality
Businesscontinuityanddisasterrecoveryrisks
Privatekeymanagementrisk
Consensus and governancerisks
Systemintegrationrisks
Scalabilityrisk
IT operations risk
Codedevelopmentrisks
Business and regulatoryrisks
4 “Blockchainriskmanagement—Riskfunctionsneedtoplayanactiveroleinshapingblockchainstrategy,”DeloittePerspectives,accessedMay2019.
Forthepurposeofhisreview,Johnconductedaseriesofwalk-throughswithkeystakeholdersatthebank.Hehelddiscussionswiththebank’sITFoperations,informationsecurity(IS),informationtechnology(IT)services,treasury,legal,andcompliancedepartments.Hisprimaryfocuswastoassessoperational,reputational,legal,contractual,andregulatoryrisksassociatedwiththeproposedblockchainsolution.Uponcompletionofhisreview,JohnsubmittedthereporttoDBL’sCAE.Inhisreport,hehighlightedboththepotentialbenefitsaswellastherisksassociatedwiththeblockchain-basedsolutions.
Johnacknowledgedthatblockchaintechnologyhasanadvantageovertraditionalsystemsasitcanoperateintheabsenceoftrustamongtheparticipants.Also,theblockchaindatastructureenablesthecreationofanencrypteddigitalledgeroftransactionsthatcanbedistributedsecurelyamongadigitalnetworkofparties.Thebuyers,sellers,shippers,correspondentbanks,andotherstakeholderssuchasregulators,canaccessandupdatethecommoninformationonasharedplatform.Dependingonthedegreeofintegrationandtherequirementsofprivacy,theblockchaintechnologymayeliminatetheneedforstakeholderstomaintaintheirowndatabasesfordocumentsrelatedtoatransaction(forexample,lettersofcredit,billsoflading,andinvoices).
WhiletherearenumerousadvantagestoblockchaintechnologyforITF,itsimplementationintroducesnewandspecificrisks4thatmaynotexistinmoretraditionalcentralizedsystems.
John’sreportidentifiedthefollowingspecificriskconsiderationsintheimplementationofblockchaintechnology.WhileJohn’sreportwasbasedonanassessmentofblockchaintechnologyforITF(asillustratedthroughthisexample),therisksidentifiedarecommontopermissionedblockchainsingeneral.
2019 essential tax and wealth planning guide 9 An internal auditor’s guide to blockchain9
Overview
Case in point
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Risk considerations (cont.)
Basedonthewalk-throughJohnperformedwiththedepartmentalheadsoftheISandITgroups,henotedthattheconsensusmechanismofpermissionedblockchainenablesallparticipantswithinthenetworktohaveaccesstocertaininformation.Whiletheinformationcanberestrictedandencrypted,itcanstillbevulnerabletoinadvertentexposure.Therefore,participatingorganizationsneedtoaddresstherisksrelatedtodataprivacyandconfidentialitytoensurethatanypersonallyidentifiableinformation(PII)isnotcompromisedorstolen.IntheITFexample,diverseparticipantssuchasthebuyers,sellers,banks,freightforwarders,andregulatorswillrequireaccesstosensitivecustomerinformationandtransactionrecords,whichwillhavetobeprotectedbyappropriately definedrules,regulations,andprotocolstoensureprivacy andcompliancewithapplicablejurisdictions.
Whileblockchainencryptskeyinformation,suchasbuyerandsellernames,andaddressestopreventunintentionalinformationleakage,thisdoesnotmeanthatthedataandassociatedmetadataareinherentlysecure.Forexample,“SellerA”transacts
Data confidentiality riskswiththebanktoarrangeforpreshipmentfinancing.Aspartofthetransaction,“SellerA”alsoengageswith“FreightentityX.” Thedetailsofthistransactionmaybeencryptedsothat“BuyerB”couldnotviewtheconfidentialtransactiondetails,butwouldstillbeabletoseethataspecificnetworkparticipantengagedinatransactionwiththebankandfreightcompany.
Onitsown,thisinformationisnotmeaningful.However,ifaggregatedwiththousandsofothertransactions,thedatamightprovidepertinentinformationto“BuyerB”thatwasnotintendedinthedesignoftheapplication.
Whilenetworkparticipantswillhavemultiplemodestointeractwithadistributedledger,companiesneedtothinkofrisksassociatedwithdatasharingamongparticipantsofthevaluechain.Assuch,thebuyers,sellers,regulators,freightforwarders,andcorrespondentbankshavedifferentinformation-sharingrequirementsthatwillneedtobeconsideredinthedesignoftheblockchainconsortium.
2019 essential tax and wealth planning guide 10 An internal auditor’s guide to blockchain10
Risk considerations (cont.) Overview
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AftermeetingwiththeISandITgroups,Johnlearnedthatforapermissionedblockchain(suchasthetechnologyusedinITF),eachparticipantonthenetworkisgivenatleastoneprivatekeythatisusedtoauthorizeandsigntransactions.Forexample,iftheblockchainconsortiumadmitsanewcorrespondentbank(forexample,“BankY”),partoftheonboardingofthatentitywouldbetograntaprivatekey.Thisprivatekeyisthenusedby“BankY”tosignfuturetransactions.Thisprovidesassurancetotheothernetworkparticipantsthatthiscorrespondentbankhasdulyauthorizedthetransaction.Ifthisbanklosesitsprivatekeymaterial,abadactormaybeabletosigntransactionsonbehalfof“BankY.”Asaresult,the badactorcouldagreetounauthorizedtransactionsonbehalfof“BankY”and/orforgedocumentsthatappeartobelegitimatetoothermembersintheblockchainconsortium.
Lossofprivatekeymaterialcouldcausesignificantharmtoothernetworkparticipants.Therefore,thesafetyandsecurityoftheprivatekeyofeachparticipantiscriticalforthesuccessofblockchain.
Private key management risk
2019 essential tax and wealth planning guide 11 An internal auditor’s guide to blockchain11
Overview
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Risk considerations (cont.)
Johnalsoidentifiedconsensusandgovernanceasoneofthekeyrisksinpermissionblockchain.Johndefinedconsensusasaprocessofagreeingononecontinuousversionofablockchainledger.Further,hedefinedgovernanceastheprocessofongoingmaintenanceandenhancementofprotocolsandcodechanges.Inhisreport,Johnstatedthat“Consensusandgovernancegotogetherthroughacombinationofpeopleandcodeexecution.Theprimaryriskregardingconsensusandgovernanceisrelatedtomembersnotagreeingtoachangeofaprotocolleadingtoadisputeandresolutionprocess,whichcanbelengthy.Further,disputeresolutionrequiresacomprehensiveframeworktoensureorderlyoperationoftheconsortium,especiallygiventheglobalnatureofthetechnology.Italsoencompassesariskthatsettlementcan’tberelieduponasalegallydefinedmomentbecauseofthepossibilitythatatransaction,blockoftransactions,ortheblockchainledgercouldeventuallyberewritten.”
Johnbelievedthatasblockchaininvolvesanarrangementofsharinginformationwithmultiplestakeholders,companiesneedtoevaluatethefollowing:
•Thetypeofgovernancestructurethatbestservestheparticipantsintheconsortium
•Supportforsounddecision-making,riskmanagement,change,incident,andemergency-responsemanagementshouldanyalterationsneedtobemadeintheconsensusmechanismorgovernancedecisions
Consensus and governance risks
2019 essential tax and wealth planning guide 12 An internal auditor’s guide to blockchain12
Overview
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Risk considerations (cont.)
Johnnotedinhisreportthat,“Entitiesseekingtointegrateblockchainneedtodecideifintegrationofthetechnologywillbeperformedtoprocesstransactionswiththeirbusinesspartnersorbecomeasubledgerthatreplacesacurrentsystemsupportingabusinessprocess.Dependingonthepathchosen,differentrisksbecomerelevant.Inthecaseof tradefinance,thebusinessmaychoosetointegrateexistingsystemswiththedistributedledgerratherthanusethesystemasasubledgertoprocesstransactions.Thisgivesthebusinessmorevisibilityintoatransactionlifecyclebutdoesnotwarrantreplacementofthecoresystemsresponsibleforthetradefinancebusinessprocess.”
Integration risks
2019 essential tax and wealth planning guide 13 An internal auditor’s guide to blockchain13
Overview
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Risk considerations (cont.)
Inhisreport,Johnalsoindicatedthatwiththeexpansionofbusiness,thetechnologysupportingthebusinessshouldhavethecapacitytomanageagrowingvolumeofdataovertime.Hestated,“Whileblockchainhasaninherentcharacteristicofdecentralization,thisfeatureresultsintheincreasingparticipationofeverysinglenode,whichstoresfullyimmutablecopiesoftheledger.Expandingledgerseventuallyleadstoaneedforcontinuousenhancementofstoragecapacity.Additionally,theneedarisesforcomputingpowerwithouttheusageofblockchainplatformstoenablecullingofagedtransactiondetailstopreservestorage.Inatraditionaldatabasesystem,withexpandingbusinessdatavolume,onecansimplyaddserverstotheexistinghardwaretoaccommodateandstoreadditionaldata. Adecentralizedblockchainenvironment,whereeverynodemustvalidateeverytransaction,wouldrequireadditionalcomputationalpowerandenergyconsumption.Thismightaffecttransactionprocessingspeedalongwithanincreasedcostandlatencyassociatedwithprocessingatransaction.
Inablockchainenvironment,everyrecordabletransactionrequirespeer-to-peerverification,whichcanbecometimeconsumingdependingonthenumberofblocksinvolvedandtheirgeographicdistribution.ForITF,giventhevolumeoftradefinancetransactionsglobally,itiseasytopredictthatscalability,geographicdistribution,andprocessingpowercouldbecomerelevantrisksinashortperiodoftime.”
Scalability risk
2019 essential tax and wealth planning guide 14 An internal auditor’s guide to blockchain14
Overview
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Risk considerations (cont.)
Johnnotedthatwhileintegratingblockchainintoanexistinginfrastructurewillresultincompaniesdealingwithissuesrelatedtospeed,scalability,andinterfacewithlegacysystems,itwillfurtherrequirerevisionstoexistingpoliciesandprocedurestoreflectthemodifiedprocessingenvironment.Johnstatesinhisreport,“ForITF,operationalconcernsmayalsoincludehandlingfluctuationsinpayment,clearing,andsettlementtransactionvolumes.Becauseblockchainisanascenttechnology,companieswillneedtoretraintheirstafftostayabreastofoperationalriskresultingfromfailuresassociatedwithinternalprocedures,people,andsystemsaswellasbeagileinadaptingtorapidtechnologicalchanges.”
IT operations risk
2019 essential tax and wealth planning guide 15 An internal auditor’s guide to blockchain15
Overview
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Risk considerations (cont.)
Johnperformedadetailedwalk-throughwiththelegalandcomplianceteamtounderstandtheimpactofsmartcontracts.Johnnotedthatsinceblockchainandsmartcontractsarenascenttechnologiesandstillintheprocessofmaturing,thereisnotyetagenerallyacceptedglobalregulatoryframeworkinplace.Thismakesitobligatorythatpartiesagreeonmutuallyacceptedtermsandcomplywithcurrentlawsandregulations.
InthecaseofITF,ifabuyerinDenmarkisplanningtobuy5,000tiresfromasellerinHongKong,itmustbeensuredthatthenetwork’ssmartcontractsareabletohandleexceptionsandthatthetermsofthecontractsarenotexplicitlyvoidintherespectivecountries.Smartcontractsshouldbeabletohandleexceptionalsituationssuchaslossordamageofgoodsduringtransit.Further,theparticipatingpartiesneedtoagreeonthearbitrationclauseandhowdisputescanberesolved.
Johnfurtherstated,“Smartcontractsmustbecodifiedandtestedforcompliancewiththetrade,economic,legal,andregulatoryenvironmentateverystageofthejourneybetweensellerandbuyer.Intermsofregulatoryissues,contractsneedtobedesignedwithadequatechangemanagementpoliciesthatallowforanagileyetsecureresponsetochangesintheregulatoryframework.Itisimperativetomentionthatmaturesmartcontractsmayallowforstraight-throughprocessingthatdoesrelyonexternalsystemsandthereforemaysignificantlyenhanceexistingbusinessprocesses.”
Business and regulatory risks
2019 essential tax and wealth planning guide 16 An internal auditor’s guide to blockchain16
Overview
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Risk considerations (cont.)
Inhisreport,Johnnotedthat“Everynewtechnologyhasteethingissues.Therefore,solutionsneedtobetestedtogainassurancethatthesystemsareworkingasintended.Theproperlevelofassurancerequirescompaniestochecktheirowncodeforbugsbefore,during,andafterimplementation.Theriskofaweakmethodofencryptionwithouttheexpectedlevelofsecuritycanresultininadvertentexposureofdatastoredonthenetwork.Companiesneedtoensurethattheblockchainnetwork,includingsmartcontracts,iskeptcurrenttomitigatecodeandcryptographyrisks.”
Code development risks
2019 essential tax and wealth planning guide 17 An internal auditor’s guide to blockchain17
Overview
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Risk considerations (cont.)
Johnnotedthat“Blockchaintechnologiesaregenerallyresilientduetotheredundancyresultingfromthedistributednatureofthetechnology.However,thebusinessprocessesbuiltonblockchainsmaybevulnerabletotechnologyandoperationalfailuresaswellascyberattacks.Companiesimplementingblockchaintechnologyneedtohaveanenterprise-widebusinesscontinuityplanandgovernanceframeworkinstalledtohelpmitigatesuchrisks.Sinceblockchainsolutionshaveapotentialtoshortenthedurationofmanybusinessprocesses,businesscontinuityplansshouldaccountforashorterincidentresponseandrecoverytime.Companiesneedtoconsiderhowparticipationinablockchainnetworkmayaffecttheirbusinesscontinuityplansandwhetherthenetworkhasappropriatemeasuresinplacetoeffectivelyrecoverfromasignificantdisruption.”
Business continuity and disaster recovery risks
2019 essential tax and wealth planning guide 18 An internal auditor’s guide to blockchain18
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Conclusion
Distributedledgertechnologycomeswiththepotentialtotransformcurrentbusinessprocessesbyimprovingtransparencyacrosstheentirechain,removingduplicationofefforts,offeringtransactionalimmutability,providingresiliencetocensorship,andcreatinganenvironmentinwhichtrustisremovedasariskfactorinvaluetransfer.Whilethebenefitsaredistinctforthistechnology,theycomewithspecificbusiness,technological,andoperationalrisks.Beforeanorganizationadoptsthisnewtechnology,itshouldensurethattheassociatedrisksaredulyassessedandaddressed.
Oneofthespecificstrategicadvantagesthatinternalauditorshaveistheirknowledgeoftheorganizationanditsvariousbusinessfunctions.Thisbroadviewplacesinternalauditorsinafavorablepositiontoeffectivelyassessorganizationalgovernance,risk,andcontrolenvironments.TheInstituteofInternalAuditor’sprofessionalpracticeframeworkspecifiesthatinternalauditorsmustpossesstheknowledgeandskillsandothercompetenceintheperformanceofinternalauditservices.5Whileinternalauditorsarecompetentwithtraditionalrisksandcontrols,theyshouldcontinuouslyenhancetheirskillsinemergingtechnologiessuchasblockchaintoremaineffectiveatnotonlydeliveringassurancebutadvisingoncriticalbusinessissuesandanticipatingrisk.
5 1210—Proficiency—Internationalstandardsfortheprofessionalpracticeforinternalauditing(Standards—effective2017),TheInstituteofInternalAuditors,accessedMay2019.
2019 essential tax and wealth planning guide 19 An internal auditor’s guide to blockchain19
Sandy Pundmann USManagingPartner,InternalAudit Deloitte&ToucheLLP [email protected]
Adam Regelbrugge Partner,InternalAudit Deloitte&ToucheLLP [email protected]
Manu Mankad ManagingDirector,InternalAudit Deloitte&ToucheLLP [email protected]
Overview
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Seth Connors SeniorManagerand DeloitteBlockchainFellow Deloitte&ToucheLLP [email protected]
Amitesh Joshi SpecialistLeader,InternalAudit Deloitte&ToucheLLP [email protected]
Yogeeta Raisinghani Manager,InternalAudit Deloitte&ToucheLLP [email protected]
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