Introduction to Blockchain:

1. What is blockchain technology? Explain its key characteristics. 2. How does blockchain ensure transparency and security? 3. Differentiate between public, private, and consortium blockchains. 4. Explain the role of cryptography in blockchain. 5. What is a decentralized network? How does blockchain facilitate decentralization?

Blockchain Structure:

6. What are blocks in a blockchain, and how are they linked? 7. Explain the consensus mechanism in blockchain. Compare Proof of Work (PoW) and Proof of Stake (PoS). 8. What is a hash function, and why is it crucial for blockchain? 9. Describe the process of mining in blockchain. 10. How are transactions verified and recorded in blockchain technology?