🧱 Module 3 Contents: Blockchain Technology Explained

Blockchain is the foundation of cryptocurrency—but it’s more than just a buzzword. In this module, we unpack what it is, how it works, and where it’s headed.

🧩 Lessons Overview

Lesson 3.1 – What is a Blockchain?
A simple breakdown of blocks, chains, and why they matter. No coding knowledge required.

Lesson 3.2 – Decentralization: Strength or Weakness?
Why spreading out control is both revolutionary—and risky.

Lesson 3.3 – How Transactions Work
Step-by-step: what happens when you send or receive crypto on a blockchain.

Lesson 3.4 – Consensus Mechanisms (PoW vs PoS)
How blockchain networks agree on what’s true—and why it’s so energy-intensive.

Lesson 3.5 – Security and Immutable Records
Tamper-proof by design? A look at blockchain’s strengths—and potential vulnerabilities.

Lesson 3.6 – Blockchain Beyond Crypto
From logistics to voting: real-world applications beyond digital money.

Module Bonus

Lesson 3.7 – Quiz & Links to Key Blockchain Explainers
Test your understanding and explore deeper through curated videos and trusted articles.