The Bitcoin Transition

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Bitcoin as Money/
Proof of Work

Module 3 of 4

Proof of Work

The cryptographic mechanism that secures the Bitcoin network.

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The 21 Million Cap

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The Lightning Network

The Bitcoin Transition

Bitcoin is a monetary protocol. This site exists to explain what that means and to help you act on it.

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© 2026 The Bitcoin Transition. Block 0 was mined on 3 January 2009.

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