Hello NPTEL Learners, In this article, you will find NPTEL Blockchain and its Applications Assignment 9 Answers 2023. All the Answers are provided below to help the students as a reference don’t straight away look for the solutions, first try to solve the questions by yourself. If you find any difficulty, then look for the solutions.
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NPTEL Blockchain and its Applications Assignment 9 Answers 2023:
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Q.1. Which of the following statements is true for Byzantine Fault Tolerant (BFT) protocol
- a. The system should work correctly even in presence of malicious users within the defined limit of faulty nodes.
- b. BFT Protocol is used generally in a permissioned system in its basic form.
- c. RAFT is a type of BFT protocol
- d. None of the above
Q.2. Algorand in general is safe under weak synchrony.
- a. True
- b. False
Q.3. Which of the following is/are applicable for standard Algorand
- a Forking issue not present
- b. Highly scalable
- c. Need large network to perform optimally
- d. Uses random committee
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Q.4. Which of the following is/are true for Single Sign-On(SSO) based systems.
- a. Single identity for various purposes
- b. One password to access multiple services
- c. Single identity provider can maintain the identity
- d. None of the above
Q.5. Which of the following is/are true for Decentralized Identifier (DID)
- a. Digital representation of physical identity
- b. Individuals can control the usage of their own identity
- c. Provides Verifiable presentation of the ID
- d. DID helps in trusted data exchange
Q.6. Which of the following is/are true for a DID document.
- a. A set of data describing the DID subject
- b. Includes cryptographic mechanism
- c Consists mapping of entries
- d. None of the above
Q.7. DIDS only allow a DID controller to prove its control over its DID Document.
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Q.8. In Verifiable Credential (VC), a claim is a statement about a
- a. Holder
- b. Subject
- c. Issuer
- d. Verifier
Q.9. Censoring of data registry is a major problem mainly in centralized systems
Q.10. Which of the following steps is/are valid for DID Registration?
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About NPTEL Blockchain and its Applications Course:
In the last few years, Blockchain technology has generated massive interest among governments, enterprises, and academics, because of its capability of providing a transparent, secured, tamper-proof solution for interconnecting different stakeholders in a trustless setup. In January 2021, the Ministry of Electronics and Information Technology (MeiTY), Government of India, published the first draft of the “National Strategy on Blockchain” that highlights 17 potential applications that are of national interest.
Course Layout:
- Week 1: Introduction to Blockchain Technology and its Importance
- Week 2: Basic Crypto Primitives I – Cryptographic Hash
- Week 3: Basic Crypto Primitives II – Digital Signature
- Week 4: Evolution of the Blockchain Technology
- Week 5: Elements of a Blockchain
- Week 6: Blockchain Consensus I – Permissionless Models
- Week 7: Blockchain Consensus II – Permissioned Models
- Week 8: Smart Contract Hands On I – Ethereum Smart Contracts (Permissionless Model)
- Week 9: Smart Contract Hand On II – Hyperledger Fabric (Permissioned Model)
- Week 10: Decentralized Identity Management
- Week 11: Blockchain Interoperability
- Week 12: Blockchain Applications
CRITERIA TO GET A CERTIFICATE:
Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100
Final score = Average assignment score + Exam score
YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.
If you have not registered for exam kindly register Through https://examform.nptel.ac.in/
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