Suman Educational Trust’s
Dilkap Research Institute of Engineering & Management Studies
At- Village Mamdapur, Post- Neral, Tal- Karjat, Pin:-410101.
Academic Year 2025-26
Class : BE Subject : BC
Semester: VII Branch: Computer
Question Bank
1. Define Blockchain and explain it with suitable example.
2. What is Markle Tree? Explain the structure of Mark
3. List and explain various actors in a blockchain.
4. Compare hot wallet and cold wallet.
5. Write a program in solidity to find the largest element in the array.
6. State and explain different components of a blockchain.
7. Explain in details Transaction in Blockchain.
8. Explain the concept of UTXO model of bitcoin.
9. Compare different types of blockchain.
10.Elaborate on the concept of “Consensus in Bitcoin”.
11.What is a public blockchain? State some characteristics of public
blockchain.
12.Explain in detail limitation and challenges of blockchain.
Subject Incharge :-Prof. Archana Mate