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Category: CBSP

CBSP BTA Certified Blockchain Security Professional exam is a hot Blockchain certification exam, Exam4Training offers you the latest free online CBSP dumps to practice. You can get online training in the following questions, all these questions are verified by Blockchain experts. If this exam changed, we will share new update questions.

Home » Blockchain » CBSP

In which of the following attacks targeting Proof of Stake does an attacker create a divergent chain and race to make their chain longer than the real chain?

January 20, 2021January 20, 2021examsLeave a comment

In which of the following attacks targeting Proof of Stake does an attacker create a divergent chain and race to make their chain longer than the real chain?A . Selfish Mining AttackB . Long-Range AttackC . Double-Spend AttackD . 51% Attack View Answer Answer: B...

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Both sidechains and slate channels rely on the original blockchain for security and as a fallback if issues occur.

January 19, 2021January 19, 2021examsLeave a comment

Both sidechains and slate channels rely on the original blockchain for security and as a fallback if issues occur.A . TrueB . False View Answer Answer: B...

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Proof of Work never guarantees that the blockchain network has reached consensus

January 19, 2021January 19, 2021examsLeave a comment

Proof of Work never guarantees that the blockchain network has reached consensusA . TrueB . False View Answer Answer: B...

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Which type of attack misuses Internet protocols to attack the blockchain? Select all that apply.

January 17, 2021January 17, 2021examsLeave a comment

Which type of attack misuses Internet protocols to attack the blockchain? Select all that apply.A . Denial of ServiceB . EclipseC . SybilD . Routing View Answer Answer: A,B,C...

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In which blockchain consensus algorithm does a user pay (give up coin forever) to participate in consensus?

January 17, 2021January 17, 2021examsLeave a comment

In which blockchain consensus algorithm does a user pay (give up coin forever) to participate in consensus?A . Proof of BurnB . Proof of WorkC . Proof of StakeD . Proof of ActivityE . None of the above View Answer Answer: A...

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Ring signatures are designed to do which of the following?

January 16, 2021January 16, 2021examsLeave a comment

Ring signatures are designed to do which of the following?A . Conceal transaction amountB . Conceal transaction recipientC . Conceal shared secretD . Conceal transaction sender View Answer Answer: D...

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If an attacker can find two values that hash to the same output what is it called?

January 16, 2021January 16, 2021examsLeave a comment

If an attacker can find two values that hash to the same output what is it called?A . MatchB . IntersectionC . CollisionD . Correlation View Answer Answer: C...

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Which of the following blockchains has a built-in consensus algorithm?

January 16, 2021January 16, 2021examsLeave a comment

Which of the following blockchains has a built-in consensus algorithm?A . EthereumB . CordaC . Hyperledger View Answer Answer: A...

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Which smart contract vulnerability allows an attacker to make a profit off a smart contract cryptocurrency exchange like Bancor?

January 15, 2021January 15, 2021examsLeave a comment

Which smart contract vulnerability allows an attacker to make a profit off a smart contract cryptocurrency exchange like Bancor?A . ArithmeticB . Access ControlC . Race ConditionsD . Reentrancy View Answer Answer: C...

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

January 15, 2021January 15, 2021examsLeave a comment

What is the easiest way to steal cryptocurrency from a user?A . Private key theftB . Double-spend attackC . Consensus hijackingD . Eclipse attackE . None of the above View Answer Answer: A...

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