BTA Certified Blockchain Security Professional (CBSP) Practice Test

Questions # 21:

Which of the following types of attacks are disincentivized in the long-term on blockchains like Bitcoin?

Options:

Timewarp

Double-Spend

Selfish Mining

SPV Mining

Questions # 22:

Data subject to deletion procedures should be stored encrypted on-chain.

Options:

True

False

Questions # 23:

This sample code is vulnerable to which of the following attacks?

Question # 23

Options:

Denial of Service

Access Control

Race Conditions

Anthmetic

All of the above

Questions # 24:

Malware infections of blockchain nodes can compromise the security of the blockchain's consensus algorithm.

Options:

True

False

Questions # 25:

Which of the following are good ways to get pseudo-random numbers for smart contracts?

Options:

Private variables

Private functions

Block hashes

External oracle

Questions # 26:

Ring signatures are designed to do which of the following?

Options:

Conceal transaction amount

Conceal transaction recipient

Conceal shared secret

Conceal transaction sender

Questions # 27:

Which algorithm was adopted by Bitcoin's creator for use as a consensus mechanism?

Options:

Proof of Stake

Proof of Space

Proof of Work

Proof of Activity

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