CBSP

The public visibility of blockchain data increases the risks associated with the compromise of encryption algorithmsA . TrueB . FalseView AnswerAnswer: B

The Bitcoin hack demonstrated that there are circumstances in which the principles of blockchain must be violated to protect the blockchain.A . TrueB . FalseView AnswerAnswer: A

The code of smart contracts that are "self-destructed" is no longer visible to the blockchain networkA . TrueB . FalseView AnswerAnswer: B

Spinning up a large number of temporary mining servers is likely part of what type of attack?A . RoutingB . Denial of ServiceC . SybilD . EclipseView AnswerAnswer: C

Which of the following attacks were enabled by design decisions made by the blockchain's developers? Select all that applyA . BitcoinB . EOSC . VergeD . ListView AnswerAnswer: C,D

Compromising blockchain accounts is beneficial to which of the following types ot attacks?A . 51% AttackB . Eclipse AttackC . Routing AttackD . Sybil AttackE . All of the aboveView AnswerAnswer: D

Which of the following biockchains uses a channel-focused architectural design?A . HyperledgerB . CordaC . EthereumView AnswerAnswer: A

Which of the following are shared benefits of private and permissioned blockchain architectures? Select all that apply.A . ScaleB . EfficiencyC . Access ControlD . DecentralizationView AnswerAnswer: B,C

A network design where some nodes are prohibited from communicating directly with other nodes does not compromise the security of the blockchain.A . TrueB . FalseView AnswerAnswer: A

Sidechains can benefit the mainchain in what ways? Select all that applyA . SpeedB . FunctionalityC . ScalabilityD . SecurityView AnswerAnswer: B,C