Home» Online Test » Technology » Blockchain Technology Online Test 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This 'Blockchain Technology Online Test' covers questions across all the topics related to the Blockchain from basic to advanced. Get 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. What is Proof of Work (PoW) in the context of blockchain technology? a) A mechanism for verifying the authenticity of digital signatures b) A consensus mechanism that requires participants to solve complex mathematical puzzles to validate transactions c) A cryptographic technique for encrypting data on the blockchain d) A method for securing private keys in blockchain wallets 2 / 30 2. What is the main purpose of the difficulty adjustment in blockchain mining? a) To increase the value of cryptocurrency b) To regulate the speed at which new blocks are added c) To change user permissions d) To store transaction histories 3 / 30 3. When was Bitcoin first introduced? a) 2007 b) 2008 c) 2009 d) 2010 4 / 30 4. What is the native cryptocurrency of the Ripple network? a) Ripple Coin (XRC) b) Ripple Token (XRT) c) Ripple (XRP) d) Ripple Dollar (XRD) 5 / 30 5. 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 6 / 30 6. How does the energy consumption of Proof of Work (PoW) impact the adoption of blockchain technology? a) It accelerates adoption by promoting energy efficiency and sustainability b) It hinders adoption due to concerns about environmental sustainability and scalability c) It has no impact on adoption as energy consumption is not a significant consideration d) It encourages adoption by promoting renewable energy usage 7 / 30 7. What role do smart contracts play in real estate transactions on the blockchain? a) Smart contracts automate property construction processes b) Smart contracts regulate access to real estate markets c) Smart contracts facilitate secure and transparent execution of property agreements d) Smart contracts are not relevant to real estate transactions on the blockchain 8 / 30 8. 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 9 / 30 9. Who are miners in the blockchain ecosystem? a) Individuals who extract physical minerals b) Entities that create new cryptocurrency coins or tokens c) Participants who secure and validate transactions by solving cryptographic puzzles d) Developers who write smart contracts 10 / 30 10. What impact does asset tokenization have on traditional financial markets? a) Disintermediation of traditional financial institutions b) Increased competition and innovation in financial services c) Expansion of investment opportunities for retail investors d) All of the above 11 / 30 11. Which of the following statements accurately describes Ripple's approach to decentralization? a) Ripple is fully decentralized, similar to Bitcoin and Ethereum b) Ripple is partially decentralized, with some degree of centralization in decision-making c) Ripple is completely centralized, controlled by a single entity d) Ripple does not prioritize decentralization 12 / 30 12. What is Ganache? a) A digital currency similar to Bitcoin b) A blockchain platform for building decentralized applications (DApps) c) A personal blockchain for Ethereum development d) A consensus algorithm used in blockchain networks 13 / 30 13. How does a digital signature work in conjunction with hashing to secure blockchain transactions? a) The transaction data is encrypted with a symmetric key b) The hash of the transaction data is encrypted with the sender's private key c) The public key is used to hash the transaction data d) The transaction data is stored in plaintext 14 / 30 14. Why is asymmetric cryptography often used for digital signatures in blockchain? a) Because it uses the same key for encryption and decryption b) Because it allows for non-repudiation and secure verification c) Because it is less secure than symmetric cryptography d) Because it is faster than symmetric cryptography 15 / 30 15. What is the significance of transparency in blockchain-based real estate transactions? a) Transparency ensures anonymity of property ownership b) Transparency increases complexity of property transactions c) Transparency enhances trust and integrity of property transactions d) Transparency decreases accessibility to property markets 16 / 30 16. How often is a new block added to the Bitcoin blockchain? a) Every 10 minutes b) Every hour c) Every day d) Every week 17 / 30 17. What are some key features of Truffle? a) Automated contract testing, deployment, and migrations b) Support for multiple programming languages c) Integration with popular IDEs like Visual Studio Code d) All of the above 18 / 30 18. 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 19 / 30 19. What type of consensus mechanism is often used in consortium blockchains? a) Proof-of-work b) Proof-of-stake c) Proof-of-authority d) Proof-of-space 20 / 30 20. What is the purpose of the Bitcoin blockchain? a) To record transactions of various cryptocurrencies b) To provide a platform for decentralized applications c) To serve as a digital currency for online transactions d) To provide a decentralized ledger for recording and verifying Bitcoin transactions 21 / 30 21. What is the significance of transparency in blockchain-based voting systems? a) Transparency ensures anonymity of voter identity b) Transparency increases voter apathy and distrust c) Transparency enhances trust and integrity of election results d) Transparency limits access to voting systems 22 / 30 22. What is the native cryptocurrency of the Cardano network? a) Cardano Coin (ADA) b) Cardano Token (ADAT) c) Cardano Dollar (ADAD) d) Cardano (ADA) 23 / 30 23. What is a key use case of blockchain technology in real estate? a) Tracking ownership of physical properties b) Automating property maintenance tasks c) Enhancing security of property deeds and titles d) Providing virtual reality tours of properties 24 / 30 24. What is a primary advantage of a consortium blockchain? a) Complete transparency to the public b) High decentralization c) Controlled access and faster transactions d) No need for consensus mechanisms 25 / 30 25. What is the significance of consensus mechanisms in blockchain security? a) Consensus mechanisms decrease transparency of blockchain networks b) Consensus mechanisms increase the risk of data manipulation in blockchain networks c) Consensus mechanisms ensure agreement on the validity of transactions in blockchain networks d) Consensus mechanisms limit access to blockchain networks 26 / 30 26. What does the blockchain trilemma refer to? a) The three main components of blockchain technology b) The complexity of blockchain consensus mechanisms c) The trade-off between decentralization, security, and scalability in blockchain networks d) The impact of blockchain on global economies 27 / 30 27. How does Proof of Stake (PoS) contribute to energy efficiency in blockchain networks? a) By requiring participants to solve energy-intensive cryptographic puzzles b) By increasing the computational complexity of transaction validation c) By restricting access to blockchain networks to a select group of participants d) By minimizing the need for energy-intensive mining activities 28 / 30 28. What is decentralization in the context of the blockchain trilemma? a) The ability to process large volumes of transactions quickly b) The distribution of control and decision-making power among network participants c) The prevention of unauthorized access to blockchain networks d) The use of cryptographic techniques to secure data on the blockchain 29 / 30 29. What is the Ethereum Virtual Machine (EVM)? a) A physical machine used to mine Ethereum blocks b) A software environment that executes smart contracts on the Ethereum blockchain c) A type of consensus algorithm used for reaching agreement on the state of the Ethereum blockchain d) A mechanism for validating transactions on the Ethereum network 30 / 30 30. What impact does blockchain have on medical research and clinical trials? a) Blockchain accelerates the pace of medical research and clinical trials b) Blockchain increases the complexity and cost of medical research c) Blockchain eliminates the need for medical research and clinical trials d) Blockchain has no impact on medical research and clinical trials Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Blockchain Technology MCQ PDF for Offline Study Share the above MCQs: Click to share on Facebook (Opens in new window) Facebook Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Reddit (Opens in new window) Reddit
