Block Chain MCQs – Page 5 – EasyExamNotes.com

#1. What is the purpose of a “quorum” in a consortium blockchain network?

It is the minimum number of participants required to reach consensus

It encrypts transaction data

It adjusts the difficulty of mining

It creates a digital signature

It validates the consensus algorithm

#2. Which blockchain platform is specifically designed for creating and managing decentralized applications (DApps) on a sharded network?

Elrond

Bitcoin

Ripple

Litecoin

Cardano

#3. What is the role of a “delegator” in a proof of stake consensus algorithm?

To select validators and delegate their stake

To mine new blocks

To create and verify smart contracts

To facilitate peer-to-peer transactions

To validate consensus rules

#4. What is the main advantage of using a public blockchain compared to a private one?

Open and transparent for anyone to join

Greater control over who participates

Enhanced privacy

Improved performance

High scalability

#5. What is the purpose of a “sharding” in blockchain technology?

It divides the network into smaller, parallel chains

It encrypts transaction data

It adjusts the difficulty of mining

It creates a digital signature

It validates the consensus algorithm

#6. Which blockchain platform is known for its focus on providing a blockchain infrastructure for the gaming industry?

Enjin

Bitcoin

Ethereum

Ripple

Stellar

#7. What is the function of a “cross-border payment gateway” in blockchain technology?

It facilitates the transfer of funds between different countries

It encrypts transaction data

It adjusts the difficulty of mining

It creates a digital signature

It validates the consensus algorithm

#8. Which consensus algorithm aims to achieve consensus by allowing nodes to propose and vote on new blocks?

Delegated Proof of Stake (DPoS)

Proof of Authority (PoA)

Practical Byzantine Fault Tolerance (PBFT)

Proof of Burn (PoB)

Proof of Activity (PoA)

#9. What is the purpose of a “token swap” in the blockchain ecosystem?

It allows users to exchange one type of cryptocurrency for another

It encrypts transaction data

It adjusts the difficulty of mining

It creates a digital signature

It validates the consensus algorithm

#10. Which blockchain platform is known for its focus on facilitating the creation of decentralized applications (DApps) for social networking?

Steem

Bitcoin

Ethereum

Ripple

Stellar

#11. What is the primary benefit of using blockchain technology in the energy sector?

Improved transparency and traceability of energy transactions

Decreased privacy for users

Lower operational costs

Slower data processing

Centralized control

#12. What is the purpose of a “cross-chain communication protocol” in blockchain technology?

It enables different blockchains to exchange information

It encrypts transaction data

It adjusts the difficulty of mining

It creates a digital signature

It validates the consensus algorithm

#13. Which blockchain platform is known for its focus on providing a blockchain infrastructure for enterprise solutions?

Hedera Hashgraph

EOS

Stellar

NEO

Tezos

#14. What is the role of a “liquidator” in a decentralized finance (DeFi) ecosystem?

To manage the liquidation of collateral assets in a lending protocol

To encrypt transaction data

To adjust the difficulty of mining

To create a digital signature

To validate the consensus algorithm

#15. What is the primary advantage of using blockchain technology in the real estate industry?

Enhanced security and transparency of property transactions

Decreased privacy for buyers

Lower operational costs

Slower data processing

Centralized control

#16. What is the purpose of a “cross-chain oracle” in blockchain technology?

It provides external data to smart contracts on different blockchains

It encrypts transaction data

It adjusts the difficulty of mining

It creates a digital signature

It validates the consensus algorithm

#17. Which blockchain platform is known for its focus on enabling privacy-preserving smart contracts?

Oasis

Bitcoin

Ethereum

Ripple

Stellar

#18. What is the function of a “bridge contract” in a blockchain network?

It facilitates communication between different blockchains

It encrypts transaction data

It adjusts the difficulty of mining

It creates a digital signature

It validates the consensus algorithm

#19. What is the primary benefit of using blockchain technology in the music industry?

Improved transparency and fairness in royalty distribution

Decreased privacy for artists

Lower operational costs

Slower data processing

Centralized control

#20. What is the purpose of a “cross-chain message protocol” in blockchain technology?

It enables secure messaging between different blockchains

It encrypts transaction data

It adjusts the difficulty of mining

It creates a digital signature

It validates the consensus algorithm

Finish

Results