NPTEL Blockchain and its Applications Week 9 Assignment Answers 2024

In the dynamic realm of blockchain technology, NPTEL emerges as a pivotal player, offering profound insights and innovative solutions. Delving into the intricacies of NPTEL Blockchain and its Applications Week 9 Assignment Answers 2024 unveils a myriad of possibilities and challenges. Let's navigate through this fascinating landscape together.


Understanding NPTEL Blockchain Fundamentals

NPTEL Blockchain and its Applications Week 9 Assignment Answers 2024


NPTEL, short for the National Programme on Technology Enhanced Learning, signifies a revolutionary approach to education, integrating blockchain technology to empower learners worldwide. At its core, NPTEL Blockchain ensures transparency, security, and immutability, redefining traditional educational paradigms.


Exploring Week 9 Assignment Answers


Week 9 of NPTEL Blockchain and its Applications presents a stimulating array of assignments, designed to fortify understanding and foster critical thinking. As we unravel these assignments, we encounter a diverse spectrum of topics, ranging from consensus mechanisms to smart contracts and decentralized applications (DApps).

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Which of the following is true about Single Sign-on?

a. The same identity can be used to access multiple services

b. Decentralized providers always maintain the identity of individuals participating in single sign-on

c. All individuals use a fixed same identity for every one of them

d. All identity holders are also identity providers


Answer: a. The same identity can be used to access multiple services


Which of the following sequence of steps is valid for Algorand?

i. A block is prepared

ii. Run Byzantine agreement on the block

iii. Prepare the digital signature and propagate

IV. Block is propagated through gossiping

Answer: ii. Run Byzantine agreement on the block


Which of the following statements regarding Solidity is true?

a. Solidity is compiled to bytecode which is executed by Ethereum Virtual Machine.

b. Solidity interpreter executes the program by Ethereum Virtual Machine.

c. Solidity interpreter executes smart contracts in Ethereum nodes.

d. Solidity is compiled to bytecode which is executed by Ethereum node’s interpreter.


Answer: a. Solidity is compiled to bytecode which is executed by Ethereum Virtual Machine.


Which of the following can be used for setting up Verifiable Credentials?

a. Hyperledger Aries

b. Litecoin

c. Ethereum

d. Solidity


Answer: a. Hyperledger Aries


Which of the following is true about the selection of the random committee in the Algorand network?

a. There is a dedicated node which chooses the nodes to form the committee

b. A distributed algorithm decides the list of nodes participating in the committee

c. A specific pool of node choose are given the responsibility of forming the committee

d. The nodes elect themselves as a committee member by winning a local computation


Answer: b. A distributed algorithm decides the list of nodes participating in the committee


Which of the following is not a valid distinct component in Distributed Identifiers(DID) Architecture.

a. DID Controller

b. Verifiable Data Registry

c. DID Subject

d. DID Randomizer


Answer: d. DID Randomizer


Consider the following statement – “Say Alice has generated two Distributed Identifiers (DID) DID1 and DID2 for her pairwise relationships maintained in Hyperledger Indy”. Which part of the above statement is false with respect to the concepts of Hyperledger Indy?

a. Generation of DID by Alice

b. Assignment of SEED to Steward

c. Acceptance of incoming invitation by Alice

d. None of the above


Answer: b. Assignment of SEED to Steward


In Verifiable Credential (VC), a claim is a statement about a non-participant.

a. True

b. False


Answer: b. False


Which of the following statement(s) is/are true

I. In Hyperledger Indy, any authorized party can read the ledger.

II. In Hyperledger Indy, only registered parties can write to the ledger.

a. I

b. I, II

c. II

d. None of the above


Answer: b. I, II


Data transfer is an important aspect of interoperability in which of the following blockchains?

a. Hyperledger Indy

b. Corda

c. Hyperledger Fabric

d. None


Answer: d. None





Deciphering the Significance of Blockchain Applications


Blockchain applications transcend conventional boundaries, permeating diverse sectors with unparalleled efficiency and reliability. From finance to healthcare, supply chain management to voting systems, the potential applications of blockchain technology are boundless, revolutionizing industries and streamlining processes.


Analyzing the Implications of NPTEL Blockchain Solutions


NPTEL's foray into blockchain solutions underscores a commitment to innovation and excellence. By harnessing the power of distributed ledger technology, NPTEL facilitates seamless verification of credentials, enhances academic integrity, and fosters a global community of learners and educators.


Embracing the Future of Education with NPTEL


As we navigate the ever-evolving landscape of education, NPTEL remains at the forefront, championing technological advancements and pioneering new frontiers. By embracing NPTEL Blockchain and its Applications, learners embark on a transformative journey, empowered to shape the future and unlock their full potential.


Conclusion: Empowering Education through NPTEL Blockchain


In conclusion, NPTEL Blockchain and its Applications Week 9 Assignment Answers 2024 epitomize the convergence of education and technology, catalyzing innovation and driving meaningful change. As we embark on this journey of discovery, let us embrace the transformative power of blockchain technology and embark on a path towards a brighter, more inclusive future.


Unlock the possibilities with NPTEL Blockchain - where education meets innovation!


NOTE:- Answers will be updated shortly and it will be notified in our Youtube & Telegram Group. So Join Now

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Which of the following is true about Single Sign-on?

a. The same identity can be used to access multiple services

b. Decentralized providers always maintain the identity of individuals participating in single sign-on

c. All individuals use a fixed same identity for every one of them

d. All identity holders are also identity providers


Answer: a. The same identity can be used to access multiple services


Which of the following sequence of steps is valid for Algorand?

i. A block is prepared

ii. Run Byzantine agreement on the block

iii. Prepare the digital signature and propagate

iv. Block is propagated through gossiping


Answer: i. A block is prepared

ii. Run Byzantine agreement on the block

iii. Prepare the digital signature and propagate

iv. Block is propagated through gossiping


Which of the following statements regarding Solidity is true?

a. Solidity is compiled to bytecode which is executed by Ethereum Virtual Machine.

b. Solidity interpreter executes the program by Ethereum Virtual Machine.

c. Solidity interpreter executes smart contracts in Ethereum nodes.

d. Solidity is compiled to bytecode which is executed by Ethereum node’s interpreter.


Answer: a. Solidity is compiled to bytecode which is executed by Ethereum Virtual Machine.


Which of the following can be used for setting up Verifiable Credentials?

a. Hyperledger Aries

b. Litecoin

c. Ethereum

d. Solidity


Answer: a. Hyperledger Aries


Which of the following is true about the selection of the random committee in the Algorand network?

a. There is a dedicated node which chooses the nodes to form the committee

b. A distributed algorithm decides the list of nodes participating in the committee

c. A specific pool of node choose are given the responsibility of forming the committee

d. The nodes elect themselves as a committee member by winning a local computation


Answer: b. A distributed algorithm decides the list of nodes participating in the committee


Which of the following is not a valid distinct component in Distributed Identifiers (DID) Architecture.

a. DID Controller

b. Verifiable Data Registry

c. DID Subject

d. DID Randomizer


Answer: d. DID Randomizer


Consider the following statement – “Say Alice has generated two Distributed Identifiers (DID) DID1 and DID2 for her pairwise relationships maintained in Hyperledger Indy”. Which part of the above statement is false with respect to the concepts of Hyperledger Indy?

a. Generation of DID by Alice

b. Assignment of SEED to Steward

c. Acceptance of incoming invitation by Alice

d. None of the above


Answer: b. Assignment of SEED to Steward


In Verifiable Credential (VC), a claim is a statement about a non-participant.

a. True

b. False


Answer: b. False


Which of the following statement(s) is/are true?

I. In Hyperledger Indy, any authorized party can read the ledger.

II. In Hyperledger Indy, only registered parties can write to the ledger.


a. I

b. I, II

c. II

d. None of the above


Answer: b. I, II


Data transfer is an important aspect of interoperability in which of the following blockchains?

a. Hyperledger Indy

b. Corda

c. Hyperledger Fabric

d. None


Answer: b. Corda

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