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Block Chain MCQs

#1. Which type of blockchain allows only specific participants to read, send transactions, and participate in the consensus process?

#2. What is the function of a cryptographic signature in a blockchain transaction?

#3. Which blockchain platform is designed for creating and managing digital identities?

#4. What is the purpose of a "gas limit" in the Ethereum blockchain?

#5. What is the role of a "watch-only wallet" in cryptocurrency storage?

#6. Which consensus algorithm aims to achieve consensus through a round-robin process of block validation?

#7. What is the primary benefit of using a hybrid blockchain over a public or private one?

#8. Which blockchain platform is designed for facilitating the creation of non-fungible tokens (NFTs)?

#9. What is the purpose of a "timestamp" in a blockchain transaction?

#10. What is the primary function of a cryptocurrency wallet?

#11. Which consensus algorithm aims to achieve consensus by allowing any participant to create and validate blocks?

#12. What is the purpose of a "block reward" in a blockchain network?

#13. Which blockchain platform is known for its focus on enabling interoperability between different blockchains?

#14. What is the primary advantage of using blockchain technology in healthcare?

#15. What is the purpose of a "state trie" in the Ethereum blockchain?

#16. Which blockchain platform is specifically designed for creating and managing decentralized finance (DeFi) applications?

#17. What is the main advantage of using a consortium blockchain compared to a private one?

#18. In a blockchain network, what is the purpose of a "mempool"?

#19. What is the function of a "block header" in a blockchain?

#20. Which blockchain platform is known for its focus on facilitating the Internet of Things (IoT) applications?

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