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What Is Blockchain | Blockchain Tutorial

by Venkatesan, on Jul 26, 2019 8:12:11 PM

In this tutorial, we discuss what is Blockchain, the content of the course of Blockchain, what are use cases of Blockchain along with simple demonstration, what are the key topics to be covered in main topics, how it is useful to industries, who want to jump start their career in Blockchain as fresher, Is Blockchain right technology for their career path.

Blockchain, is growing list of records, called blocks, that
are linked using cryptography. Each block contains a cryptographic hash of the
previous block. In other words, distributed consensus. Blockchain was invented
by a person using the name called Satoshi Nakamoto in 2008.

The invention of the Blockchain for bitcoin made it the first digital currency to solve the double-spending problem without the need of trusted authority or central server. Blockchain that are readable by the public are widely used by Cryptocurrencies.

Cryptography, is about constructing and analyzing protocol that is to prevent third parties or public from reading private messages, various aspects in information network security such as, confidentiality, authentication, email compatibility and data integrity. Real strength of Blockchain. Cryptography can be used such as, electronic commerce(e-commerce), chip-based payment cards, computer passwords and military communications.

Bitcoin is permission less Blockchain, it is one of most popular Blockchain. Which is successfully implemented and good amount of material. It is 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. The permission Blockchain (only limited access) that is, Hyperledger fabric.

In December 2015, Linux foundation had announced the creation of Hyperledger project. The objective of the project is to advance cross-industry collaboration by developing Blockchain and distributed ledger, with a focus on improving the performance and reliability of these systems so that they are capable of supporting global business transactions by major technological, financial and supply chain companies.

Key concepts and Functionalities of Hyperledger fabrics are
identity management, privacy and confidentiality, efficient processing, modular
design, assets, consensus.

The Blockchain technology are integrated into multiple areas such as, video games, cryptocurrencies use to record multiple transactions, smart contracts, financial services, health care, banking, automobile industries and other uses.

Blockchain can be helpful for many people and more
businesses to experience its potential in banking and finance industry. 

We discuss the following key topics to be covered in Blockchain

Cryptographic topics

  • Various schemes
    in Cryptography
  • Elliptical curve
    for cryptography
  • Digital signature
  • Hash function in
  • Origins of Cryptography


  • Introduction to
  • Use-cases of
  • Hash function, Pointer,
    Data Structures
  • Addresses and Private

Introduction to Blockchain

  • Blockchain and its evolution
  • Key Terminologies used in Blockchain
  • Enterprise Blockchain vs Cryptocurrency
  • Popular Blockchain and their comparison
  • Blockchain use-cases

Bitcoin Architecture

  • Bitcoin Currency
    and its origin
  • Distributed Consensus
  • Anonymity and
  • Incentives and
  • Ecosystem

Bitcoin Transaction

  • Transaction flow
  • Transaction Data
    Structure and Verification
  • Transaction Scripts
    and use-cases
  • Bitcoin Network
  • Limitation of
    Bitcoin Blockchain

Hyperledger Architecture

  • Hyperledger Fabric
  • Fabric Architectures
    and Data Models
  • Key concepts in
    Hyperledger Fabric
  • Detailed Transaction
  • Introduction to
  • Hyperledger use-cases
  • Use-case design

I hope above video is useful to you, do let us know if you
have any queries related to Blockchain, you can send us a message on whatsapp