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Bitcoin Under the Hood

How Bitcoin actually works — from blockchain structure and proof of work to mining, halving, the UTXO model, and the mempool.

5steps · ~ 40min

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Go deeper into Bitcoin’s technical foundations. This course walks through the core components — blockchain structure, proof of work, mining economics, the halving cycle, UTXOs, and the mempool — giving you a solid understanding of how the system actually operates.

1

How Does a Blockchain Work?

Block structure, hash functions, and how decentralization actually works.
2

How Proof of Work Works

Using the laws of physics to impose unforgeable cost on the digital world.
3

How Bitcoin Mining Works

Why mining consumes nation-level electricity and how it secures the network.
4

Is Bitcoin a Waste of Energy?

Reframing Bitcoin's energy use through the lens of what energy actually is.
5

Everything About the Bitcoin Halving

The four-year supply cut and its impact on mining economics and price.
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