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What Is Blockchain Technology? The Ultimate Guide

Blockchain 101 How does blockchain work? What is blockchain used for?

Instructor Gergő Várhegyi
Updated March 23, 2022

About Course

Blockchain 101
How does blockchain work?
What is blockchain used for?

Course Content

Chapter 1 – Blockchain 101
What is blockchain? How are blocks connected? Blockchains and decentralization The Byzantine Generals Problem Why do blockchains need to be decentralized? What’s the peer-to-peer network? What are blockchain nodes? Public vs. private blockchains How do transactions work? How to make Bitcoin transactions How to withdraw bitcoins from Binance How to send bitcoins from Trust Wallet to Electrum Who invented blockchain technology? Pros and cons of blockchain technology Pros Cons

  • What is blockchain?
  • How are blocks connected?
  • Blockchains and decentralization
  • The Byzantine Generals Problem
  • Why do blockchains need to be decentralized?
  • What’s the peer-to-peer network?
  • What are blockchain nodes?
  • Public vs. private blockchains
  • How do transactions work?
  • How to make Bitcoin transactions
  • Who invented blockchain technology?
  • Pros and cons of blockchain technology
  • Pros
  • Cons

Chapter 2 – How does blockchain work?
How are blocks added to the blockchain? Mining (Proof of Work) Pros of Proof of Work Cons of Proof of Work Staking (Proof of Stake) Pros of Proof of Stake Cons of Proof of Stake Other consensus algorithms Can I revert blockchain transactions? What is blockchain scalability? Why does blockchain need to scale? What is a blockchain fork? Soft forks Hard forks

Chapter 3 – What is blockchain used for?
Blockchain for supply chains Blockchain and the gaming industry Blockchain for healthcare Blockchain remittance Blockchain and digital identity Blockchain and the Internet of Things (IoT) Blockchain for governance Blockchain for charity Blockchain for speculation Crowdfunding with blockchain Blockchain and distributed file systems Blockchain technology can be used for a wide range of use cases. Let’s go through some of them.

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