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 the role of the XRP Ledger in the Ripple network? a) To validate transactions and add them to the blockchain b) To provide a platform for executing smart contracts c) To distribute rewards to network participants d) To serve as a decentralized exchange for digital assets 2 / 30 2. What is Decentralized Finance (DeFi)? a) A centralized financial system controlled by banks and governments b) A system of financial services and applications built on blockchain technology c) A digital currency similar to Bitcoin d) A consensus algorithm used in blockchain networks 3 / 30 3. How does the Ethereum Virtual Machine (EVM) facilitate smart contract execution? a) By interpreting bytecode and executing it on every node in the Ethereum network b) By storing smart contracts in a centralized database c) By executing smart contracts off-chain d) By relying on a centralized server to execute smart contracts 4 / 30 4. What is the main advantage of using Elliptic Curve Cryptography (ECC) in blockchain? a) Lower computational requirements b) Higher energy consumption c) Slower transaction processing d) Larger key sizes 5 / 30 5. What distinguishes Ripple from other blockchain networks like Bitcoin and Ethereum? a) Ripple is primarily used for decentralized applications b) Ripple has a faster transaction processing speed c) Ripple does not have its native cryptocurrency d) Ripple does not use blockchain technology 6 / 30 6. How does a hybrid blockchain provide flexibility in data management? a) By having no access controls b) By enabling certain data to be public and other data to be private c) By requiring a single administrator d) By allowing all data to be public 7 / 30 7. What is staking in the context of blockchain? a) Holding cryptocurrency in a wallet b) Selling cryptocurrency on an exchange c) Donating cryptocurrency to a charity d) Locking up cryptocurrency as collateral to participate in the network and earn rewards 8 / 30 8. What is the purpose of an ICO? a) To raise funds for blockchain projects b) To distribute rewards to network participants c) To facilitate peer-to-peer lending d) To provide liquidity to decentralized exchanges 9 / 30 9. What is the maximum supply of Bitcoin that can ever be created? a) 10 million b) 21 million c) 50 million d) 100 million 10 / 30 10. How do smart contracts improve efficiency in legal contract execution? a) Smart contracts increase the complexity of legal contracts b) Smart contracts reduce the need for human intervention in contract execution c) Smart contracts limit the enforceability of legal contracts d) Smart contracts hinder transparency in legal contract processes 11 / 30 11. Why are transactions on a public blockchain considered secure? a) They are encrypted using a secret key b) They are processed by a central authority c) They are verified by multiple independent nodes d) They can be easily altered 12 / 30 12. What are some examples of decentralized applications (DApps)? a) Decentralized exchanges (DEXs) b) Decentralized finance (DeFi) platforms c) Decentralized social media networks d) All of the above 13 / 30 13. In blockchain, why is RSA encryption commonly used for digital signatures? a) Because it requires no keys b) Because it provides faster encryption than symmetric algorithms c) Because it allows for secure communication without encryption d) Because it provides secure digital signatures and ensures transaction authenticity 14 / 30 14. What is Proof of Stake (PoS) in the context of energy-efficient consensus algorithms? a) A consensus mechanism that requires participants to solve complex mathematical puzzles to validate transactions b) A consensus mechanism that selects validators based on the amount of cryptocurrency they hold and stake as collateral c) A cryptographic technique for encrypting data on the blockchain d) A method for securing private keys in blockchain wallets 15 / 30 15. 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 16 / 30 16. What is scalability in the context of the blockchain trilemma? a) The ability of blockchain networks to accommodate increasing numbers of users and transactions 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 17 / 30 17. 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 18 / 30 18. What is Stellar? a) A decentralized cryptocurrency platform b) A digital currency similar to Bitcoin c) A blockchain network designed for cross-border payments and remittances d) A consensus algorithm used in blockchain networks 19 / 30 19. 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 20 / 30 20. What are some challenges associated with implementing blockchain in voting and governance? a) Lack of public trust in blockchain technology b) Regulatory uncertainty and legal challenges c) Complexity of integrating blockchain with existing voting systems d) All of the above 21 / 30 21. Which hashing algorithm is commonly used in Bitcoin? a) MD5 b) SHA-1 c) SHA-256 d) AES 22 / 30 22. 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 23 / 30 23. When was Bitcoin first introduced? a) 2007 b) 2008 c) 2009 d) 2010 24 / 30 24. 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 25 / 30 25. What is a smart contract platform? a) A platform for conducting secure cryptocurrency transactions b) A platform for developing and executing self-executing contracts based on blockchain technology c) A platform for storing and managing digital assets d) A platform for mining new cryptocurrency coins 26 / 30 26. What is the role of validators in Proof of Authority (PoA) networks? a) To mine new blocks by solving cryptographic puzzles b) To verify transactions and add them to the blockchain c) To participate in the consensus process and validate transactions based on their authority or reputation d) To distribute rewards to network participants 27 / 30 27. What is a key use case of blockchain technology in healthcare? a) Securing patient data and medical records b) Enhancing hospital infrastructure c) Providing medical diagnosis and treatment d) Managing supply chain logistics 28 / 30 28. 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 29 / 30 29. 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 30 / 30 30. What is the role of tokenization platforms in asset tokenization? a) Tokenization platforms provide custody services for digital assets b) Tokenization platforms issue and manage digital tokens representing assets c) Tokenization platforms enforce regulatory compliance for asset tokenization d) Tokenization platforms are not relevant to asset tokenization 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)Click to share on WhatsApp (Opens in new window)Click to share on X (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)
