What is a blockchain Mcq answer? (2023)

What is a blockchain answer?

A blockchain is a decentralized, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be altered retroactively without the alteration of all subsequent blocks and the consensus of the network.”

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What is Bitcoin Mcq answer?

The correct answer is A digital cryptocurrency. It is a decentralized digital currency without a central bank or single administrator that can be sent from user to user on the peer-to-peer bitcoin network without the need for intermediaries.

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What are the different types of blockchain Mcq?

There are four main types of blockchain networks:

Public blockchain network. Private blockchain network. Consortium blockchain network. Hybrid blockchain network.

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What is blockchain simply?

A blockchain is a digital ledger or database where encrypted blocks of digital asset data are stored and chained together, forming a chronological single-source-of-truth for the data. Digital assets are distributed, not copied or transferred.

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What is blockchain example?

Blockchain technology enables a decentralized peer-to-peer network for organizations or apps like Airbnb and Uber. It allows people to pay for things like toll fees, parking, etc. Blockchain technology can be used as a secure platform for the healthcare industry for the purposes of storing sensitive patient data.

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What are the properties of blockchain Mcq?

The key features of blockchain are:
  • Distributed Database,
  • Decentralized Systems,
  • Distributed Ledger,
  • Safer and Secure Ecosystem.

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What is a miner blockchain Mcq?

What is a miner? A type of blockchain. An algorithm that predicts the next part of the chain. A person doing calculations to verify a transaction.

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Which statement is true about blockchain Mcq?

Answer: The answer is Blockchain enables users to verify that data tampering has not occurred. Explanation: Blockchain is a machine of recording facts in a manner that makes it difficult or not possible to change, hack, or cheat the system.

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What is hash Mcq?

Explanation: A hash table is used to implement associative arrays which has a key-value pair, so the has table maps keys to values. 2.

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What is block chain types?

There are two main types of blockchain nodes: Full nodes store a complete copy of the blockchain. Lightweight nodes only store the most recent blocks, and can request older blocks when users need them.

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What are the two Blockchains?

Ethereum and Bitcoin are both layer 1 blockchains because they are the underlying foundation that various layer 2 networks build on top of. Examples of layer 2 projects include "rollups" on Ethereum and the Lightning Network on top of Bitcoin.

(Video) MCQ I BTD - What is a miner in terms of Blockchain technology?
Why is blockchain used?

Blockchain helps in the verification and traceability of multistep transactions needing verification and traceability. It can provide secure transactions, reduce compliance costs, and speed up data transfer processing. Blockchain technology can help contract management and audit the origin of a product.

What is a blockchain Mcq answer? (2023)
Where is blockchain used?

Blockchain technology can be used to secure access to identifying information while improving access for those who need it in industries such as travel, healthcare, finance, and education.

What is block chain and its uses?

A blockchain is a decentralized, distributed, and often public, digital ledger consisting of records called blocks that are used to record transactions across many computers so that any involved block cannot be altered retroactively, without the alteration of all subsequent blocks.

What are the 3 elements of a block in a block chain?

Key elements of a blockchain
  • Distributed ledger technology. All network participants have access to the distributed ledger and its immutable record of transactions. ...
  • Immutable records. No participant can change or tamper with a transaction after it's been recorded to the shared ledger. ...
  • Smart contracts.
23 Jun 2022

What is a blockchain Class 11?

Blockchain is a system that allows a group of connected computers to maintain a single updated and secure ledger which is updated only after all the nodes in the network authenticate the transaction.

What are the 3 most important components for a blockchain?

The important logical blockchain components are as follows, Node Application. Distributed ledger. Consensus algorithms.

Why is it called blockchain mining?

About Blockchain Mining

Blockchains are so-called because of their 'blocks' and 'chain' structure. The blocks are composed of numerous bitcoins which are individual units that store all the data code individually. The chain refers to the links from one neighbourhood block to another.

What is data mining is Mcq?

Explanation: data mining is a process of mining of knowledge from data or extracting information from a large collection of data. It also involves several other processes like data cleaning, data transformation, and data integration. 14.

What is a mine Short answer?

A mine is a place where deep holes and tunnels are dug under the ground in order to obtain a mineral such as coal, diamonds, or gold.

What is blockchain conclusion?

The Bitcoin is the first successful implementation of blockchain. Today, the world has found applications of blockchain technology in several industries, where the trust without the involvement of a centralized authority is desired. So welcome to the world of Blockchain.

Which statement is true about blockchain Brainly?

The correct statement about blockchain is :

Blockchain enables users to verify that data tampering has not occurred.

What is block code Mcq?

Explanation: The block code is referred to as an (n,k) code, and the rate of the code is defined as R=n/k. It is equal to the rate of information divided by the raw channel rate.

What is a stack Mcq?

Stack is a linear data structure that allows to insert or delete elements from one end i.e. from the top of the stack. It follows a particular order in which elements are inserted or deleted i.e. LIFO (Last in first out).

What is a kernel Mcq?

Explanation: Kernel is the first program that is loaded in memory when OS is loading as well as it remains in memory till OS is running. Kernel is the core part of the OS which is responsible for managing resources, allowing multiple processes to use the resources and provide services to various processes.

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