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InsemAug 20252019 patternBE Comp

Blockchain Technology SPPU Insem Question Paper Aug 2025

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated Blockchain Technology questions
Subject code
410243
Pattern
2019 pattern
Exam
Insem
Session
Aug 2025
Max. marks
30
Time
1 Hour
Semester
VII
Paper code
[6580]-547

Printed for: B.E. (Computer Engineering) (Insem.)

Instructions to the candidates

  1. Answer Q1 or Q2, Q3 or Q4.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figure to the right indicates full marks.

Questions

  1. Q1

    1. a)

      Explain the working of SHA-256 Algorithm.

      Also asked:Sep 2023

      [6]
    2. b)

      Describe asymmetric key encryption with neat diagram.

      [4]
    3. c)

      What is Merkle tree? Explain the structure of merkle tree.

      Also asked:Sep 2023

      [5]

  2. Q2

    1. a)

      Illustrate Elleptic curve cryptography with detail steps.

      [6]
    2. b)

      How digital signature & Verification is carried out in digital signature algorithm.

      [4]
    3. c)

      List and explain the features of hashing functions.

      [5]

  3. Q3

    1. a)

      Define the terms with suitable example. i) Consensus ii) Distributed ledger

      [6]
    2. b)

      List & explain features of Block chain.

      Also asked:Sep 2023

      [4]
    3. c)

      Write a note on Propagation Layer & Application Layer.

      [5]

  4. Q4

    1. a)

      Discuss various limitations of centralized system with respect to De-centralized system.

      Also asked:Sep 2023

      [6]
    2. b)

      Explain the Evolution of Block chain with time line.

      Also asked:Sep 2023

      [4]
    3. c)

      What do you think, which limitations of block chain are major hurdl’s in its adoption. 

      [5]