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What is a blockchain mcq

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What is a Blockchain MCQ: A Comprehensive Review

"What is a Blockchain MCQ" is a valuable resource for individuals searching for information about blockchain technology and its multiple-choice questions (MCQs). This review aims to highlight the positive aspects and benefits of this resource, as well as the conditions under which it can be effectively used.

  1. Concise and Well-Structured Content:
  • The content provides a clear definition of blockchain technology, ensuring a strong foundational understanding.
  • It covers various aspects of blockchain, such as its basic structure, consensus mechanisms, and applications.
  • The MCQs are thoughtfully organized, allowing readers to test their knowledge at different levels of complexity.
  1. Comprehensive Coverage:
  • The resource covers a wide range of topics related to blockchain technology, including its history, benefits, challenges, and future potential.
  • It explores different types of blockchains like public, private, and consortium blockchains, ensuring a holistic understanding.
  1. Practical Application:
  • The MCQs included in the resource enable readers to evaluate their comprehension, identify knowledge gaps, and reinforce their learning.
  • This resource can be used by individuals preparing for blockchain-related exams or interviews, helping them assess their level of preparedness.
  1. User-Friendly Format:
Here are some of the ways that blockchain can support data privacy: Data immutability: Blockchain is a tamper-proof ledger, which means that once data is stored on the blockchain, it cannot be changed or deleted. This can help to protect data from being tampered with or deleted by unauthorized parties.

How does blockchain support data privacy?

Blockchain supports data privacy through its decentralized and transparent nature. It uses cryptographic techniques to secure data, ensuring immutability, anonymity, and control over personal information, reducing reliance on centralized entities and providing enhanced privacy protection.

How does blockchain enable privacy?

In a blockchain-based communication network, user identities can be securely established and verified by leveraging cryptographic techniques. This helps prevent unauthorized access and ensures that only legitimate users can access sensitive data.

How does blockchain keep data secure?

In most blockchains or distributed ledger technologies (DLT), the data is structured into blocks and each block contains a transaction or bundle of transactions. Each new block connects to all the blocks before it in a cryptographic chain in such a way that it's nearly impossible to tamper with.

What is an advantage of using blockchain technology Accenture TQ?

Blockchain is a database system that maintains and records data in a way that allows multiple organizations and individuals to confidently share access to the same data in real-time, while mitigating concerns around security, privacy and control.

Who is the miner in blockchain?

Miner is an actor who participates in cryptocurrency transactions, and in turn, plays a crucial role both in creating new cryptocurrencies and in verifying transactions on the blockchain.

Who is a miner?

A miner is a person who extracts ore, coal, chalk, clay, or other minerals from the earth through mining. There are two senses in which the term is used. In its narrowest sense, a miner is someone who works at the rock face; cutting, blasting, or otherwise working and removing the rock.

Frequently Asked Questions

What do miners do in the blockchain?

Mining is what keeps the Bitcoin network running by creating new blocks on the chain and verifying Bitcoin transactions. Transactions are verified by miners who use special hardware to solve mathematical puzzles. Miners are rewarded for their work with Bitcoin.

What is blockchain quizlet?

Blockchain is an encrypted, distributed database shared across multiple computers or nodes that are part of a community or system.

What is blockchain explained very simply?

Blockchain is a method of recording information that makes it impossible or difficult for the system to be changed, hacked, or manipulated. A blockchain is a distributed ledger that duplicates and distributes transactions across the network of computers participating in the blockchain.

What does a ledger in the blockchain does?

Blockchains are a form of digital ledgers that validate and store all transactions within their network. For example, the Bitcoin blockchain records all transactions involving bitcoins using blocks secured by cryptography.

What does a block in a blockchain consists of mcq?

- The block contains a list of verified transactions that are added to the blockchain. - These transactions can include data such as the sender, recipient, amount, and any additional information.

What is not a ledger type considered by users in blockchain mcq?

In conclusion, users in blockchain consider only distributed, decentralized, and not centralized ledgers.

What is a ledger quizlet?

Ledger. A group of accounts. General ledger. A ledger that contains all accounts needed to prepare financial statements. Account number.


What are the benefits of using blockchain technology?
  • Trust. Blockchain creates trust between different entities where trust is either nonexistent or unproven.
  • Decentralized structure.
  • Improved security and privacy.
  • Reduced costs.
  • Speed.
  • Visibility and traceability.
  • Immutability.
  • Individual control of data.
What are the benefits of blockchain quizlet?
-a blockchain allows parties to transact directly with each other through a single distributed ledger, eliminating the need for centralized transaction processors and thereby potentially accelerating business processes and reducing transaction costs.
What is an advantage of using blockchain technology accenture mcq?
Answer: Blockchain increases trust, security, transparency, and the traceability of data shared across a business network — and delivers cost savings with new efficiencies.
What is the main advantage of using blockchain technology is that it ensures the security and immutability of data?
It guarantees that once a transaction is recorded on the Blockchain, it becomes virtually impossible to alter or tamper with the data. This is achieved through a combination of cryptographic techniques and consensus mechanisms. Blockchain achieves data immutability by using cryptographic hashing.
On which blockchain Bitcoin is based?
Bitcoin and many other cryptocurrencies use open (public) blockchains.
On which blockchain Bitcoin is based mcq?
Explanation: Public blockchain can be used to construct a completely open blockchain, similar to Bitcoin, that allows everyone and everyone to join and contribute to the network.
What layer blockchain is Bitcoin?
Examples of Layer 1 blockchains include Bitcoin, Ethereum, and Cardano. These blockchains handle the processing and security of a cryptocurrency network through a common consensus mechanism, such as proof of work (PoW) or proof of stake (PoS).

What is a blockchain mcq

What is blockchain based on? But blockchain uses the three principles of cryptography, decentralization, and consensus to create a highly secure underlying software system that is nearly impossible to tamper with. There is no single point of failure, and a single user cannot change the transaction records.
What type of network is the Bitcoin based on? Explanation: By spreading its operations across a network of computers, blockchain allows Bitcoin and other cryptocurrencies to operate without the need for a central authority.
What is a node in blockchain? A Blockchain node refers to a device-stakeholder pair that participates in running the protocol software of a decentralized network. In place of a central entity, nodes work together to form the governing infrastructure of a blockchain.
What is the definition of a node in blockchain terms? A crypto node is a single computer that can interact with and is part of, a blockchain network. On most blockchains, each node is a single and separate computer which stores all of the information on the blockchain, also known as a distributed ledger.
How many nodes are on the blockchain? Some sources only calculate that there are just over 13,000 Bitcoin nodes. On the other hand, popular Bitcoin Core developer Luke Dash Jr estimated about 83,000 Bitcoin Core nodes were active in Jan. 2021 while recording a steep decline in 2022 to roughly 50,000.
What is a blockchain mcqs? What is a blockchain? A blockchain is a centralized digital ledger consisting of records called blocks. A blockchain is a decentralized, distributed, digital ledger consisting of records called blocks. A blockchain is a digital database consisting of records called class. It is a private ledger that no one can inspect.
  • What is an example of a node in a blockchain?
    • An example of a node in a blockchain is validator node which plays an active role in the network's consensus mechanism, validating, endorsing transactions, and facilitating the addition of new blocks to the blockchain.
  • What is a blockchain quizlet?
    • Blockchain is an encrypted, distributed database shared across multiple computers or nodes that are part of a community or system.
  • What is blockchain short answer?
    • Blockchain technology is an advanced database mechanism that allows transparent information sharing within a business network. A blockchain database stores data in blocks that are linked together in a chain.
  • Is a blockchain a ledger mcq?
    • Explanation: A blockchain is a distributed digital ledger that records and replicates transactions in real-time across a network.
  • What best defines blockchain?
    • Blockchain defined: Blockchain is a shared, immutable ledger that facilitates the process of recording transactions and tracking assets in a business network.
  • What are the 4 features of a blockchain?
    • There are four key features of Blockchain technology;
      • Public Distributed Ledger or Decentralization.
      • Hash Encryption.
      • Proof of Work or Transparency.
      • Miners.