Lecture 4 | Understanding Blockchain Mechanics: Blocks, Hashing, and Consensus

Welcome to Lecture 4 of our Complete Blockchain Course on EduTube!

In this video, we break down how blockchain actually works — using clear, simple language and real-life examples so anyone can understand.

Here’s what you’ll learn:

What are blocks and how they form a chain

How hashing keeps data secure

What consensus mechanisms like Proof of Work and Proof of Stake mean

How all these parts work together to create a secure, transparent system


Even if you're a complete beginner, this video will make you feel confident about the inner workings of blockchain.

Don’t forget to check out the full course playlist — we’ve covered everything from A to Z in blockchain!

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