Create Your Own Blockchain From Scratch (The Course)
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Course Info

This course includes 1 attempt.

It is important to note that when people talk about Blockchain, they are actually referring to the Blockchain ecosystem. The ecosystem comprises of 6 technologies with the Blockchain ledger being one of them. A more accurate word to describe the ecosystem is probably Distributed Ledger Technology (DLT).

In this course, we learn about the different components of DLT and creating our own coin in Javascript to test our understanding of the subject. The best way to learn is to Do-It-Yourself. This a hands-on heavy course with basic programming knowledge assumed and Blockchain concepts introduced and explained in a practical way. Therefore, it is best conducted in a classroom environment led by our experienced instructors. At the end of the course, you have a strong foundation in your Blockchain development career.


Course Material

  • Introduction
  • The Genesis Block
  • The Blockchain Ecosystem
  • How the Course is Conducted
  • The Challenge
  • Course Objectives
  • Course Pre-requisites
  • Installation
  • Short Quiz
  • icon/quiz Created with Sketch.
    Quiz 110 attempts allowed
  • Resources
  • Chapter 1: Decentralised System
  • Creating a Simple P2P System with WebSocket
  • Testing
  • Using Currencies in P2P network
  • Food for Thought
  • Short Quiz
  • icon/quiz Created with Sketch.
    Quiz 210 attempts allowed
  • Resources
  • Chapter 2: The Blockchain
  • The Block
  • The Transaction
  • The Chain
  • Testing
  • Short Quiz
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    Quiz 310 attempts allowed
  • Resources
  • Chapter 3: Consensus (Proof of Work) and Incentivisation
  • Proof of Work
  • Incentivisation
  • 51% Attack
  • Spy Mining
  • Testing
  • Short Quiz
  • icon/quiz Created with Sketch.
    Quiz 410 attempts allowed
  • Chapter 4: Public Key Cryptography
  • Pre-Mine
  • Adding Hash to Transaction Class
  • Proofing Ownership Before Sending Coins
  • HD Wallet
  • Testing
  • Short Quiz
  • icon/quiz Created with Sketch.
    Quiz 510 attempts allowed
  • Resources
  • Chapter 5: UTXO Transaction Model
  • 3 Rules of UTXO model
  • Updating our Blockchain
  • Testing
  • Short Quiz
  • icon/quiz Created with Sketch.
    Quiz 610 attempts allowed
  • Resources
  • Chapter 6: Smart Contracts
  • Stack Machine
  • P2PKH (Pay to Public Key Hash)
  • Making MyCoin Smart
  • Testing
  • Short Quiz
  • icon/quiz Created with Sketch.
    Quiz 710 attempts allowed
  • Resources
  • Chapter 7: Scalability
  • Layer 2 Solutions
  • Segwit
  • Transaction Malleability
  • Short Quiz
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    Quiz 810 attempts allowed
  • Resources
  • Chapter 8: Career in the Blockchain Industry
  • General
  • Private (Consortium) Chains
  • Public Chains
  • Conclusion
  • Feedback


    • I am the founder of Whale Tech, a Blockchain development and education company. As a motivated software engineer for more than 15 years, I am always looking to implement new and innovative ideas. I love experimenting, talking to people and keeping busy.

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