Blockchain Technology Online Test

Created by

Vikash chaudhary

This 'Blockchain Technology Online Test' covers questions across all the topics related to the Blockchain from basic to advanced.

Get fresh, new questions in each attempt.

Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
Randomization: Yes
Certificate: Yes
Do not refresh the page!
👍 All the best!

1 / 30

1. Which of the following is an example of a consortium blockchain platform?

a) Bitcoin

b) Ethereum

c) Hyperledger Fabric

d) Corda

2 / 30

2. What impact does blockchain have on fractional ownership of real estate?

a) Blockchain decreases accessibility to fractional ownership opportunities

b) Blockchain increases barriers to entry for fractional ownership

c) Blockchain democratizes fractional ownership by providing transparent and efficient platforms

d) Blockchain has no impact on fractional ownership of real estate

3 / 30

3. What are some key features of Ganache?

a) Instant blockchain creation with preloaded accounts and balances

b) Ability to simulate network conditions and behaviors

c) Integration with development frameworks like Truffle

d) All of the above

4 / 30

4. How does blockchain enhance the security of patient data in healthcare?

a) By encrypting data with traditional encryption methods

b) By decentralizing storage and access to patient data

c) By centralizing control over patient data with healthcare providers

d) By restricting access to patient data through closed networks

5 / 30

5. What is the native cryptocurrency of the Cardano network?

a) Cardano Coin (ADA)

b) Cardano Token (ADAT)

c) Cardano Dollar (ADAD)

d) Cardano (ADA)

6 / 30

6. How do blockchain-based cross-border payments compare to traditional methods like SWIFT?

a) Blockchain-based payments are slower and less secure than SWIFT

b) Blockchain-based payments have higher transaction fees than SWIFT

c) Blockchain-based payments do not require intermediaries like banks, unlike SWIFT

d) Blockchain-based payments are not compatible with fiat currencies, unlike SWIFT

7 / 30

7. Which component of RSA encryption and decryption should be kept secret?

a) Public key

b) Private key

c) Hash value

d) Symmetric key

8 / 30

8. What is a Sybil attack in the context of blockchain?

a) An attack where malicious nodes overwhelm the network with legitimate transactions

b) An attack where an attacker controls multiple nodes to manipulate network consensus

c) An attack where a majority of network participants collude to alter transaction records

d) An attack where an individual node floods the network with spam transactions

9 / 30

9. What is the primary goal of a Sybil attack?

a) To increase network efficiency and security

b) To decrease transaction fees

c) To manipulate network consensus and gain control over the blockchain

d) To enhance decentralization of the blockchain network

10 / 30

10. What are some common criteria investors consider when evaluating ICO projects?

a) Team expertise and experience

b) Project roadmap and timeline

c) Tokenomics and distribution model

d) All of the above

11 / 30

11. What is the purpose of tokenization in DApps?

a) To create a centralized system for controlling access to the application

b) To facilitate transactions and incentivize user participation

c) To increase the speed and scalability of the application

d) To reduce the security risks associated with decentralized networks

12 / 30

12. Who is credited with the creation of Ethereum?

a) Vitalik Buterin

b) Charlie Lee

c) Hal Finney

d) Satoshi Nakamoto

13 / 30

13. What is the significance of blockchain technology in financial inclusion?

a) Blockchain technology increases barriers to entry for unbanked individuals

b) Blockchain technology enables access to financial services for unbanked individuals

c) Blockchain technology only benefits traditional banking institutions

d) Blockchain technology is not relevant to financial inclusion efforts

14 / 30

14. Why might an organization choose to use a private blockchain instead of a public one?

a) To increase energy consumption

b) To have greater control over access and data

c) To enable anyone to join the network

d) To avoid cryptographic security

15 / 30

15. Which programming language is commonly used for writing smart contracts in Remix?

a) Solidity

b) JavaScript

c) Python

d) Java

16 / 30

16. What is Elliptic Curve Cryptography (ECC)?

a) A symmetric encryption algorithm

b) A hashing algorithm

c) An asymmetric encryption algorithm

d) A digital signature algorithm

17 / 30

17. In the context of blockchain, what is a public key?

a) A key that is kept secret

b) A key used to encrypt data that can be shared openly

c) A key used to decrypt data that can be shared openly

d) A key used for hashing data

18 / 30

18. What is the primary difference between Ethereum and Bitcoin?

a) Ethereum uses a different consensus algorithm than Bitcoin

b) Ethereum has a higher maximum supply than Bitcoin

c) Ethereum is primarily used for smart contracts and decentralized applications, while Bitcoin is primarily used as a digital currency

d) Ethereum transactions are faster than Bitcoin transactions

19 / 30

19. What is a key use case of blockchain technology in legal contracts?

a) Automating court proceedings and legal judgments

b) Enhancing security and integrity of legal contracts

c) Decreasing accessibility to legal services

d) Providing legal advice and consultations

20 / 30

20. How are validators selected to participate in block validation in Proof of Stake (PoS) networks?

a) Randomly

b) Based on the amount of cryptocurrency they hold or stake

c) Based on their computational power

d) Based on their reputation in the network

21 / 30

21. How are new blocks added to a blockchain?

a) By users voting

b) By central authorities

c) Through consensus mechanisms like proof-of-work or proof-of-stake

d) By randomly selecting transactions

22 / 30

22. What is a consortium blockchain?

a) A blockchain controlled by a single entity

b) A blockchain where any user can participate

c) A blockchain managed by a group of organizations

d) A blockchain used exclusively for cryptocurrencies

23 / 30

23. What is the primary use case of cryptocurrencies?

a) Storing personal data securely

b) Facilitating digital payments and transactions

c) Decentralizing social media networks

d) Providing cloud storage solutions

24 / 30

24. What is the term used to describe the process of deploying a smart contract to the Ethereum blockchain?

a) Minting

b) Mining

c) Deployment

d) Contracting

25 / 30

25. What is the purpose of a transaction fee in Bitcoin?

a) To reward miners for their work in securing the network

b) To discourage users from making transactions

c) To fund blockchain development projects

d) To compensate wallet providers for storing Bitcoin

26 / 30

26. Which consensus mechanism commonly utilizes mining as a means of achieving agreement on the state of the blockchain?

a) Proof of Stake (PoS)

b) Proof of Authority (PoA)

c) Delegated Proof of Stake (DPoS)

d) Proof of Work (PoW)

27 / 30

27. What is the main disadvantage of symmetric cryptography in blockchain?

a) It requires two keys

b) It is slower than asymmetric cryptography

c) Key management and distribution can be challenging

d) It cannot be used for data encryption

28 / 30

28. What is the term used to describe the computational power contributed by a miner to the network?

a) Mining power

b) Hash rate

c) Network strength

d) Block difficulty

29 / 30

29. What is the native cryptocurrency of the EOS network?

a) EOS Coin (EOSC)

b) EOS Token (EOST)

c) EOS Dollar (EOSD)

d) EOS (EOS)

30 / 30

30. What is the primary purpose of Bitcoin?

a) To provide a platform for decentralized applications

b) To execute smart contracts

c) To serve as a digital currency for online transactions

d) To facilitate cross-border payments

Please provide accurate information so we can send your Achievement Certificate by mail.

NameEmailPhone Number

Your score is

Please provide your feedback.

Thank you for your valuable feedback.

Buy Blockchain Technology MCQ PDF for Offline Study

Blockchain Technology Online Test

This 'Blockchain Technology Online Test' covers questions across all the topics related to the Blockchain from basic to advanced.

Please provide accurate information so we can send your Achievement Certificate by mail.

Related MCQs