Build a Blockchain and a Cryptocurrency from Scratch

Updated for 2022-23: Build a blockchain and cryptocurrency. Discover the engineering ideas behind Bitcoin and Ethereum!

4.61 (3552 reviews)

Udemy

platform

English

language

Software Engineering

What you will learn

Discuss the implementation of Blockchain and cryptocurrencies.

Understand main blockchain concepts like Proof-of-Work, mining, peer-to-peer connections, etc.

Build their own blockchain and cryptocurrency.

Create a NodeJS application with real-time websocket connections.

Build an API with NodeJS and Express.

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Comidoc Review

Our Verdict

This course excels at offering a holistic approach to building a blockchain and cryptocurrency using NodeJS, emphasizing practical application for experienced developers. However, beginners may struggle with the fast-paced coding demonstrations and lack of clear debugging guidance. The code quality itself can also be improved, despite well-articulated ideas and comprehensive coverage of crucial concepts.

What We Liked

Comprehensive course covering both blockchain and cryptocurrency concepts using NodeJS
Instructor explains ideas systematically with practical real-world application
Excellent for developers familiar with OOP, Javascript, and Bitcoin protocol
Well-paced and clear explanations, great for visual learners
Incorporates Test Driven Development approach
Detailed explanation of blockchain mechanics and inner workings

Potential Drawbacks

Code quality can be improved, lacks good software engineering practices
Rapid coding process may challenge beginners
Limited guidance on debugging, setting up NodeJS, or storing the blockchain locally
Lacks in-depth explanations of websockets and cryptography integration
Could benefit from improved accuracy in automatic transcripts