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 consensus mechanisms in blockchain-based voting systems? a) Consensus mechanisms regulate access to voting systems b) Consensus mechanisms determine the outcome of elections c) Consensus mechanisms ensure agreement on the validity of transactions d) Consensus mechanisms are not relevant to blockchain-based voting systems 2 / 30 2. What is the primary advantage of using blockchain platforms and frameworks for application development? a) Reduced complexity of application development b) Faster transaction processing c) Higher level of centralization d) Lower security risks 3 / 30 3. What is a token sale? a) An event where cryptocurrency tokens are distributed for free to investors b) A method of raising funds for blockchain projects similar to an ICO c) A type of decentralized exchange for trading cryptocurrency tokens d) A regulatory body overseeing blockchain projects 4 / 30 4. What is one of the main challenges associated with public blockchains? a) Limited access b) Scalability and high energy consumption c) Centralization of control d) Lack of transparency 5 / 30 5. What is the primary feature of EOS that distinguishes it from other blockchain platforms? a) Higher transaction throughput b) Use of the Delegated Proof of Stake (DPoS) consensus algorithm c) Turing completeness of its smart contracts d) Integration with existing financial systems 6 / 30 6. 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 7 / 30 7. 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 8 / 30 8. 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 9 / 30 9. What is the difference between an ICO and a traditional Initial Public Offering (IPO)? a) ICOs are regulated by government agencies, while IPOs are not b) ICOs involve the sale of cryptocurrency tokens, while IPOs involve the sale of company shares c) ICOs are open to retail investors, while IPOs are restricted to institutional investors d) ICOs are more transparent and secure than IPOs 10 / 30 10. What role do smart contracts play in asset tokenization? a) Smart contracts regulate access to asset ownership b) Smart contracts automate asset tokenization processes c) Smart contracts facilitate centralized control over asset tokenization d) Smart contracts are not relevant to asset tokenization 11 / 30 11. What is one of the main uses of private blockchains? a) Public data sharing b) Cryptocurrencies c) Enterprise-level applications d) Decentralized social networks 12 / 30 12. What is a Merkle tree in blockchain technology? a) A structure for storing user identities b) A type of smart contract c) A data structure that efficiently summarizes and verifies the integrity of large sets of data d) A method for encrypting blockchain data 13 / 30 13. What is the role of validators in Proof of Stake (PoS) blockchain networks? a) To solve cryptographic puzzles to mine new blocks b) To verify transactions and add them to the blockchain c) To select the next block proposer d) To maintain a copy of the entire blockchain ledger 14 / 30 14. What is a validator in the context of blockchain? a) A participant who secures the network by solving cryptographic puzzles b) An entity responsible for verifying the authenticity of transactions and adding them to the blockchain c) A node that participates in the consensus process by proposing and validating blocks d) A type of cryptographic algorithm used for encryption 15 / 30 15. 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 16 / 30 16. 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 17 / 30 17. What distinguishes DEXs from centralized exchanges? a) DEXs use a centralized order matching engine b) DEXs require users to undergo KYC/AML procedures c) DEXs do not hold users' funds or private keys d) DEXs offer higher liquidity compared to centralized exchanges 18 / 30 18. What is a key feature of blockchain technology that enhances security? a) Centralized data storage b) Transparency of transaction history c) Immutability of data records d) Limited access controls 19 / 30 19. Which of the following is an example of an asymmetric encryption algorithm? a) AES b) RSA c) 3DES d) Blowfish 20 / 30 20. What is the maximum supply of Bitcoin that can ever be created? a) 10 million b) 21 million c) 50 million d) 100 million 21 / 30 21. Which component of RSA encryption and decryption should be kept secret? a) Public key b) Private key c) Hash value d) Symmetric key 22 / 30 22. What does it mean for a hash function to be "collision-resistant"? a) It can be easily reversed b) It produces the same output for different inputs c) It is hard to find two different inputs that produce the same output d) It requires less computational power 23 / 30 23. What is slashing in Proof of Stake (PoS) blockchain networks? a) A penalty imposed on validators for malicious behavior or failing to follow the protocol b) A reward given to validators for successfully validating transactions c) A cryptographic algorithm used for encryption d) A mechanism for selecting the next block proposer 24 / 30 24. 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 25 / 30 25. How does asset tokenization enhance liquidity? a) By converting physical assets into divisible digital tokens b) By restricting access to asset ownership c) By increasing transaction fees d) By decreasing transparency in asset ownership 26 / 30 26. 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 27 / 30 27. Which of the following is an example of a public blockchain platform? a) Hyperledger Fabric b) Corda c) Ethereum d) Quorum 28 / 30 28. Which programming language is commonly used for writing smart contracts in Remix? a) Solidity b) JavaScript c) Python d) Java 29 / 30 29. What is a Decentralized Application (DApp)? a) A software application that runs on a centralized server b) A software application that runs on a decentralized network of computers c) A type of cryptocurrency d) A consensus algorithm used in blockchain networks 30 / 30 30. Who is credited with the creation of Bitcoin? a) Vitalik Buterin b) Charlie Lee c) Hal Finney d) Satoshi Nakamoto 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)
