BCT Quizz

BCT Quizz

University

17 Qs

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BCT Quizz

BCT Quizz

Assessment

Quiz

Design

University

Practice Problem

Hard

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NISANTH G 21BCR035

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Bitcoin is created by ______

  1. Satoshi Nakamoto

  1. Vitalik Buterin

  1. Saifedean Ammous

  1. None of the above

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The alternatives to POW are ______

  1. Delegated Proof Of Stake

  2.  

  1.  Proof of stake

  1. Both A and B

  1. None of the above

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

PoW is most notably used by

Bitcoin

Litecoin

Ethereum

all the above

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is a potential drawback of Proof of Work (PoW) in blockchain systems?

Vulnerable to 51% attacks

Requires minimal energy consumption

Allows for quick transaction finality

Easily scalable for large networks

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is NOT a benefit of using Proof of Work (PoW) in blockchain?

Decentralization

Security against Sybil attacks

Energy efficiency

Incentivizing miners with rewards

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What happens to the miner who successfully solves the Proof of Work (PoW) puzzle?

Increases the difficulty level for subsequent blocks

Receives transaction fees as rewards

Resets the blockchain to the genesis block

Loses their mining rights temporarily

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is a potential drawback of Proof of Stake (PoS)?

High energy consumption

Susceptibility to 51% attacks

Limited decentralization

Slow transaction processing

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