Q.1
14 Marks(a)
Define
1)Block
2)Nonce
3)Altcoin
(b)
Which are different use cases of cryptocurrencies?
Gujarat Technological UniversitySummer 2026 examination
GTU 3171618 Blockchain Summer 2026 Question Paper & PDF
B.E. · IT Engineering · Semester 7 · Subject code 3171618
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 2:30 PM – 5:00 PM
- Questions
- 5 with internal choice
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3 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 3 repeated 3171618 questions, most asked first
Q.2
14 Marks(a)
Write various applications of blockchain
(b)
Describe consensus mechanism in blockchain
(c)
Explain concept of decentralization and distribution in blockchain
OR
Q.3
14 Marks(a)
What is bitcoin mining?
(b)
Discuss different types of smart contracts
(c)
Analyze Ethereum blockchain and discuss its various use cases
OR
(a)
Discuss 51% attack in blockchain
(b)
Describe key characteristics of private blockchain
(c)
Elaborate any popular public blockchain and discuss its features
Q.4
14 Marks(a)
Explain proof-of-work algorithm in blockchain
(b)
Discuss consortium blockchain with example
(c)
Explain different types of blockchain oracles in detail
OR
(a)
Discuss pBFT algorithm
(b)
Differentiate public blockchain and private blockchain
(c)
Discuss state machine replication in permissioned blockchain
Q.5
14 Marks(b)
Describe important characteristics of Ripple
(c)
Elaborate blockchain applications in healthcare sector
OR
(a)
What is crypto wallet? Give two examples of crypto wallet
(b)
How can blockchain be used in education sector ?
(c)
Explain the limitations and challenges in blockchain implementation
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About this paper
Official Gujarat Technological University (GTU) examination paper for Blockchain (Summer 2026, B.E. · IT Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.