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Topic Blockchain
Asked 6 times across 2 UPSC exams over 8 years (2018–2026), peaking in 2022.
Key insights
- Most tested in CSE — 5 of 6 PYQs
- Most asked in 2022
- Recurs across 4 years (2018–2026)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 2018 → CAPF 2022
How the concept evolved
Rising — more than half its appearances (6 of 6) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CSE2026
Which of the following statements regarding the features of blockchain technology are correct?
- Records stored in the database may be made visible to relevant stakeholders without risk of alteration
- Copies of the entire database are stored on multiple computers on a network, syncing within seconds
- Consortium blockchain is a blend of public and private blockchains allowing selective data access
- Mathematical algorithms make it impossible to change or delete any data once recorded and accepted
- A 1 and 3
- B 2 and 4 only
- C 1, 2 and 4 ✓
- D 1 and 4 only
✓ Correct answer: (C)
Science & Technology › IT/Computing/Cyber
CSE2022
With reference to Web 3.0, consider the following statements
- Web 3.0 technology enables people to control their own data
- In Web 3.0 world, there can be blockchain based social networks
- Web 3.0 is operated by users collectively rather than a corporation
Which of the statements given above are correct?
- A 1 and 2 only
- B 2 and 3 only
- C 1 and 3 only
- D 1, 2 and 3 ✓
✓ Correct answer: (D)
Science & Technology › IT/Computing/Cyber
CSE2022
With reference to Non-Fungible Tokens (NFTs), consider the following statements
- They enable the digital representation of physical assets
- They are unique cryptographic tokens that exist on a blockchain
- They can be traded or exchanged at equivalency and therefore can be used as a medium of commercial transactions
Which of the statements given above is/are correct?
- A 1 and 2 only ✓
- B 2 and 3 only
- C 1 and 3 only
- D 1, 2 and 3
✓ Correct answer: (A)
Science & Technology › IT/Computing/Cyber
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