free certificate 2025Itronix Solution Blockchain Certification 2025

Blockchain Technology Free Course with Certificate🌟 Dive into the revolutionary world of blockchain and gain valuable knowledge at NO COST! In this exclusive 2025 program, we’ll guide you through foundational concepts, applications, and industry trends that make blockchain a sought-after skill in today’s market

A Blockchain Certification is a professional credential that validates an individual’s knowledge and skills in providing blockchain technology, its components, and its implications across various sectors

This course would equip participants with a comprehensive understanding of blockchain technology, its components, and its implications across various sectors. By the end, students should be able to analyze and discuss the potential and challenges of blockchain applications in real-world scenarios.

See the video for answers quiz link given in end of context

What is blockchain?

  • A) A type of cryptocurrency
  • B) A distributed ledger technology
  • C) A programming language
  • D) A central database

Which cryptocurrency was the first to be created?

  • A) Ethereum
  • B) Litecoin
  • C) Bitcoin
  • D) Ripple

What is a smart contract?

  • A) A contract written on paper
  • B) A self-executing contract with the terms directly written into code
  • C) A legally binding agreement
  • D) An agreement enforced by a lawyer

Which consensus mechanism is commonly used by Bitcoin?

  • A) Proof of Stake
  • B) Delegated Proof of Stake
  • C) Proof of Work
  • D) Byzantine Fault Tolerance

What does ‘decentralization’ mean in the context of blockchain?

  • A) No central authority governing the network
  • B) The ability to make changes quickly
  • C) A centralized system with multiple backups
  • D) A network controlled by a single entity

What is a ‘block’ in a blockchain?

  • A) A part of a computer
  • B) A unit of data containing transaction information
  • C) A network node
  • D) A programming function

What is the primary purpose of mining in blockchain?

  • A) To create new cryptocurrencies
  • B) To validate transactions and add them to the blockchain
  • C) To store user data
  • D) To develop new blockchain protocols

Which of the following is a key feature of blockchain technology?

  • A) Anonymity
  • B) Immutability
  • C) Centralization
  • D) Speed

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What is a public key in blockchain?

  • A) A password used to access the blockchain
  • B) An encryption key used for secure communication
  • C) An address that can receive cryptocurrency
  • D) A code used to unlock a smart contract

Which platform is known for enabling the creation of decentralized applications (dApps)?

  • A) Bitcoin
  • B) Ethereum
  • C) Ripple
  • D) Litecoin

What is the main purpose of a cryptocurrency wallet?

  • A) To store physical currency
  • B) To securely store private and public keys
  • C) To mine cryptocurrencies
  • D) To buy goods and services

Which of the following is a type of blockchain?

  • A) Public
  • B) Private
  • C) Consortium
  • D) All of the above

What does ICO stand for?

  • A) Initial Coin Offering
  • B) International Cryptocurrency Organization
  • C) Integrated Chain Operation
  • D) Internal Coin Operation

What is the function of a node in a blockchain network?

  • A) To develop new cryptocurrencies
  • B) To store and relay transaction information
  • C) To provide internet access
  • D) To mine new coins

What is a fork in blockchain technology?

  • A) A type of transaction
  • B) A split in the blockchain protocol
  • C) A security feature
  • D) A mining technique

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What is the term for the process of validating and recording transactions on a blockchain?

  • A) Mining
  • B) Staking
  • C) Hacking
  • D) Delegating

What is Ethereum primarily known for?

  • A) Fast transactions
  • B) Decentralized applications and smart contracts
  • C) Being the first cryptocurrency
  • D) High security

What is the role of a miner in a Proof of Work system?

  • A) To create new coins
  • B) To validate transactions and solve complex mathematical problems
  • C) To store user data
  • D) To manage smart contracts

What is the term for the unique identifier of a transaction in a blockchain

  • A) Block ID
  • B) Transaction hash
  • C) Crypto key
  • D) Ledger ID

What is a decentralized finance (DeFi) application?

  • A) A financial application managed by a single entity
  • B) A blockchain-based application that replicates traditional financial services without intermediaries
  • C) A mobile banking app
  • D) An app that tracks investments

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Blockchain Certification 2025

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