Top 30 Blockchain Potentes Nexus Interview Questions 2022

Blockchain is a shared, distributed database, immutable ledger and decentralized which facilitates the process of recording transactions and tracking of digital assets in a computer network. 

Blockchain Potentes Nexus

Question# 1 Blockchain provides _ kind of database for every transaction involving value.

1) Closed Decentralized

2) Open Decentralized

3) Closed Centralized

4) Open Centralized

Correct Answer :- Open Decentralized

Question# 2 The three concepts used to explain the foundation of blockchain are ______.

1) Digital Ledger, Physical Assets, Banks

2) Distributed Network, Cryptography , Public Ledger

3) Ledger, Bitcoins, Digital Identity

4) Business Network, Ledger, Physical Assets

Correct Answer :- Distributed Network, Cryptography , Public Ledger

Question# 3 Consortium blockchain has a predefined set of nodes allowing the users to write the data.

1) True

2) False

Correct Answer :- True

Question# 4 Private blockchain is a de-centralized type of blockchain?

1) True

2) False

Correct Answer :- False

Question# 5 Hash is used to ensure integrity of the data transmitted in the blockchain network.

1) True

2) False

Correct Answer :- True

Question# 6 Cryptocurrency is authorized in all countries.

1) True

2) False

Correct Answer :- False

Question# 7 Encryption reduces data security?

1) True

2) False

Correct Answer :- False

Question# 8 In bitcoin mining, the computational power adjusts the difficulty level of mining.

1) True

2) False

Correct Answer :- True

Question# 9 The sender and the receiver in a transaction always provide miners with a fee.

1) True

2) False

Correct Answer :- False

Question# 10 The two types of cryptography are __.

1) Asymmetric and Symmetric

2) Asymmetric and Public

3) Public and Private

4) Symmetric and Public

Correct Answer :- Asymmetric and Symmetric

Blockchain Potentes Nexus MCQs

Question# 11 The output of hashing is popularly known as _.

1) Digital Signature

2) Plain text

3) Contract

4) Digest

Correct Answer :- Digest

Question# 12 Which among the following are the advantages of using Bitcoin?

1) Negligible transaction fee

2) Your account cannot be frozen

3) Can be used to transfer money anywhere in the world

4) All the options

Correct Answer :- All the options

Question# 13 Which platform could gain its best use case from supply chain industry?

1) R3 Corda

2) Ethereum

3) Hyperledger

4) All the options

Correct Answer :- Hyperledger

Question# 14 Which of the following platform(s) provides a modular architecture?

1) Hyperledger

2) Ethereum

3) Ethereum and R3 Corda

4) R3 Corda

Correct Answer :- Hyperledger

Question# 15 The first smart contract platform is _.

1) R3 Corda

2) Hyperledger Fabric

3) Blockchain

4) Ethereum

Correct Answer :- Ethereum

Question# 16 Where can you buy a cryptocurrency?

1) In a smart contract

2) Cryptocurrency Exchanges

3) Through a private transaction

4) All the options

Correct Answer :- Cryptocurrency Exchanges

Question# 17 Ethereum is a digital currency.

1) True

2) False

Correct Answer :- False

Question# 18 Crypto analysis is used _.

1) to encrypt the data

2) to find some insecurity in a cryptographic scheme

3) to increase the speed

4) None of the options

Correct Answer :- to find some insecurity in a cryptographic scheme

Blockchain Potentes Nexus Questions and Answers

Question# 19 Which among the following option/options is/are consensus algorithms?

1) PoS

2) Byzantine

3) PoW

4) All of the options

Correct Answer :- All of the options

Question# 20 New bitcoins are released every time a transaction is verified.

1) True

2) False

Correct Answer :- True

Question# 21 Ether provides greater flexibility than bitcoin.

1) True

2) False

Correct Answer :- True

Question# 22 Which among the following is the most flexible cryptocurrency?

1) Ripple

2) Bitcoin

3) Ether

4) Litecoin

Correct Answer :- Ether

Question# 23 Which platform could gain its best use case from financial service industry?

1) Hyperledger

2) R3 Corda

3) Ethereum

4) All the options

Correct Answer :- All the options

Question# 24 __ is checked for your previous transactions to determine your wallet balance.

1) Bitcoin Network and your Wallet

2) Ledger

3) Miners and Users

Correct Answer :- Ledger

Question# 25 Bitcoin network would make it impossible to bypass the traditional financial intermediaries.

1) True

2) False

Correct Answer :- False

Question# 26 Cyptocurrency is the only use case of blockchain.

1) True

2) False

Correct Answer :- False

Question# 27 The value of coins, such as litecoin and bitcoin, remains the same across all the exchanges that actively trade them.

1) True

2) False

Correct Answer :- False

Question# 28 Hash can be used to validate the input.

1) True

2) False

Correct Answer :- True

Question# 29 Hyperledger allows us to customize the visibility of a transaction in a blockchain.

1) True

2) False

Correct Answer :- True

Question# 30 _ records all the transactions in a blockchain.

1) Contact

2) Block

3) Intermediaries

Correct Answer :- Block

Question# 31 Who is the founder of Hyperledger fabric?

1) Linux Foundation

2) Ethereum Developers

3) Miners in blockchain

4) R3

Correct Answer :- Linux Foundation

Question# 32 In asymmetric key cryptography, the public key is available with __.

1) sender

2) receiver

3) sender and receiver

4) everyone in the network

Correct Answer :- everyone in the network

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