Computer Knowledge

Blockchain Technology Applications

2,564 Questions

Blockchain technology applications questions cover consensus mechanisms, network scalability, smart contracts, and cryptography. This subject is crucial for the computer knowledge section of banking and IBPS exams. Practice these questions to build a strong foundation in emerging technologies.

Blockchain consensus mechanismsCryptocurrency payment systemsSmart contract scalabilityBlockchain energy consumptionNetwork security concerns

Blockchain Technology Applications Questions

Multiple choice

What is the process of adding new blocks to a blockchain called?

  1. Mining

  2. Hashing

  3. Proof-of-Work

  4. Proof-of-Stake
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mining is the process of adding new blocks to a blockchain. Miners use specialized computers to solve complex mathematical problems in order to validate transactions and add new blocks to the blockchain.

Multiple choice

What is the name of the algorithm used to secure the Bitcoin blockchain?

  1. SHA-256

  2. SHA-3

  3. MD5

  4. AES
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

SHA-256 is the algorithm used to secure the Bitcoin blockchain. It is a cryptographic hash function that takes an input of any size and produces a fixed-size output.

Multiple choice

What is the block reward for mining a block on the Bitcoin blockchain?

  1. 6.25 BTC

  2. 12.5 BTC

  3. 25 BTC

  4. 50 BTC
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The block reward for mining a block on the Bitcoin blockchain is currently 6.25 BTC. This reward is halved approximately every four years.

Multiple choice

What is the name of the first decentralized application (dApp) to be built on the Ethereum blockchain?

  1. CryptoKitties

  2. Decentraland

  3. Uniswap

  4. Aave
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

CryptoKitties was the first decentralized application (dApp) to be built on the Ethereum blockchain. It is a game that allows users to collect and breed digital cats.

Multiple choice

What is the name of the consensus mechanism used by the Ethereum blockchain?

  1. Proof-of-Work

  2. Proof-of-Stake

  3. Delegated Proof-of-Stake

  4. Practical Byzantine Fault Tolerance
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ethereum initially used Proof-of-Work as its consensus mechanism, but it is transitioning to Proof-of-Stake.

Multiple choice

What is the name of the smart contract programming language used on the Ethereum blockchain?

  1. Solidity

  2. Vyper

  3. Serpent

  4. Bamboo
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Solidity is the smart contract programming language used on the Ethereum blockchain. It is a high-level language that is similar to JavaScript.

Multiple choice

What is the name of the decentralized autonomous organization (DAO) that was created on the Ethereum blockchain in 2016?

  1. The DAO

  2. MakerDAO

  3. Compound

  4. Uniswap
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The DAO was a decentralized autonomous organization (DAO) that was created on the Ethereum blockchain in 2016. It was intended to be a venture capital fund that would be managed by its members.

Multiple choice

What is the name of the hard fork of the Ethereum blockchain that was created in response to The DAO Hack?

  1. Ethereum Classic

  2. Ethereum 2.0

  3. Ethereum Proof-of-Stake

  4. Ethereum Casper
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ethereum Classic is the name of the hard fork of the Ethereum blockchain that was created in response to The DAO Hack. Ethereum Classic is a continuation of the original Ethereum blockchain, while Ethereum 2.0 is a new version of the Ethereum blockchain that is still under development.

Multiple choice

What is the name of the blockchain platform that was created by Ripple?

  1. XRP Ledger

  2. Stellar

  3. EOS

  4. TRON
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

XRP Ledger is the name of the blockchain platform that was created by Ripple. XRP Ledger is a permissioned blockchain that is used for payments and other financial transactions.

Multiple choice

What is the name of the cryptocurrency that is used on the XRP Ledger?

  1. XRP

  2. XLM

  3. EOS

  4. TRX
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

XRP is the name of the cryptocurrency that is used on the XRP Ledger. XRP is a digital asset that is used for payments and other financial transactions.

Multiple choice

What is the name of the blockchain platform that was created by IBM?

  1. Hyperledger Fabric

  2. R3 Corda

  3. Chainlink

  4. Tezos
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Hyperledger Fabric is the name of the blockchain platform that was created by IBM. Hyperledger Fabric is a permissioned blockchain that is used for enterprise applications.

Multiple choice

Which of the following is a benefit of using blockchain technology in media and entertainment?

  1. Increased transparency and accountability

  2. Improved efficiency and cost-effectiveness

  3. Enhanced security and protection of digital assets

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blockchain technology offers a range of benefits for media and entertainment, including increased transparency and accountability, improved efficiency and cost-effectiveness, and enhanced security and protection of digital assets.

Multiple choice

How can blockchain technology be used to improve the efficiency of content distribution?

  1. By enabling direct distribution of content to consumers, eliminating the need for intermediaries

  2. By reducing the time and cost associated with content production and distribution

  3. By providing a secure and transparent platform for content transactions

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blockchain technology can improve the efficiency of content distribution by enabling direct distribution of content to consumers, reducing the time and cost associated with content production and distribution, and providing a secure and transparent platform for content transactions.

Multiple choice

Which of the following is an example of a blockchain-based platform for content distribution?

  1. Ethereum

  2. VeChain

  3. Theta Network

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Theta Network is a blockchain-based platform specifically designed for content distribution. It enables content creators and distributors to directly connect with consumers, eliminating the need for intermediaries and reducing costs.

Multiple choice

How can blockchain technology be used to protect digital assets in media and entertainment?

  1. By providing a secure and tamper-proof record of ownership

  2. By enabling the tracking and tracing of digital assets

  3. By preventing unauthorized access to and distribution of digital assets

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blockchain technology can be used to protect digital assets in media and entertainment by providing a secure and tamper-proof record of ownership, enabling the tracking and tracing of digital assets, and preventing unauthorized access to and distribution of digital assets.