DELL-wp-enterprise-best-practices-for-cryptocurrency-adoption

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1、EnterpriseBestPracticesforCryptocurrencyAdoptionPatLitkeandJoeStewartDellSecureWorksCounterThreatUnit™ThreatIntelligenceReleaseDate:27January2014IntroductionBitcoinisadigitalcurrencyandpaymentsystemintroducedin2009.Itisacryptocurrency,so-calledbecauseitusescryptographytocontrolthe

2、creationandtransferofmoney.WhenworkingwithBitcoin,walletsecurityisthenameofthegame.ABitcoinwalletisacollectionofprivateencryptionkeysthatcanunlockfundssenttotheircorrespondingpublickeys,orBitcoinaddresses.WhoevercontrolstheprivatekeyofaBitcoinaddresscanspendthefundsitcontains.Once

3、fundsaretransferred(thatis,signedovertoanotherBitcoinaddress),theoriginalownercannotretrievethem.Essentially,holdersofBitcoinactastheirownbank.Noonecanseizefundswithouttheprivatekey,butnoonecanreplacefundsiftheprivatekeyislostorstolen.Ultimateresponsibilityforthesecurityofalargesu

4、mofBitcoinsmaybeintimidating,buttransactingwithBitcoindoesnotneedtobeadauntingorriskytask.ThisanalysisrequiresabasicunderstandingofthefollowingconceptsastheyrelatetoBitcoin:AddressesMiningWalletsTheofficialBitcoinglossaryprovideseasytounderstanddefinitions.Additionaltechnicalin

5、formation,includinganswerstofrequentlyaskedquestions,canbefoundontheBitcoinwiki.WalletfundamentalsReal-worldwalletlossThesetwoexamplesofpoorsecuritypracticesandsubsequentramificationsillustratesomeoftheavoidablerisksassociatedwithcryptocurrenciessuchasBitcoin.Accordingtoanewsstory

6、,alaptopdiscardedinmid-2013hostedawalletcontainingapproximately7,500Bitcoins.Bitcoinsweren’tvaluablein2009whentheyweremined,sothewalletwasnotbackedup.Atpresentvalue,thisuser’slosscanbecalculatedinmillionsofdollars.Lesson:Backupyourwallet!In2012,theBTC-Ecrypto-currencyexchangewasha

7、ckedandlost4,500Bitcoins.PeoplewhostoredBitcoinsintheexchangelostalltheirfunds.Fortunately,BTC-Ewasabletoreimbursecustomers,butthissamescenariohasbeenrepeatedseveraltimesatotherexchangeswithoutapositiveoutcome.Lesson:Trustingsomeonewithyourwalletisabadidea.EnterpriseBestPracticesf

8、orCryptocurrencyAdoptionKeepingyo