Blockchain CBSP Exam Questions Instant Access

Question 1

Which of the following features were exploited as part of the Verge cryptocurrency hack? Select all that apply.

AMining Difficulty Update Function

BMultiple Hash Functions

CTimestamp Flexibility

DShort Addresses

Answer : A, D

Question 2

Using a distributed ledger decreases risk of data loss since all data is not stored in the same place.

ATrue

BFalse

Answer : A

Question 3

Which of the following are necessary properties for a cryptographic hash function to be secure? Select all that apply

ARandomness

BLarge State Space

COne-Way

DNon-Locality

Answer : B, C, D

Question 4

Which of the following attacks only requires a single account and performs only normal blockchain operations?

AReplay Attack

BRouting Attack

C51% Attack

DEclipse Attack

Answer : A

Question 5

What is the easiest way to steal cryptocurrency from a user?

APrivate key theft

BDouble-spend attack

CConsensus hijacking

DEclipse attack

ENone of the above

Answer : A

Question 6

Which of the following is a takenaway from the pigeocoin/Bitcom Core hack?

AImportance of scaning code for common vulnerabilities

BImportance of cryptanalysis of algorithms used

CImport of system-level analysis

DImport of a robust change management process

Answer : A

Question 7

Which of the following attacks is designed to bypass the protections provided by digital signatures?

ARouting

BReplay

CSybil

DEclipse

Answer : B

Blockchain BTA Certified Blockchain Security Professional CBSP Exam Questions