Season 1 · Episode 18
What Is Proof of Work? Bitcoin’s Security System
Bitcoin 30 Seconds · Brian Aleksivich
August 18, 20250m 24s
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Show Notes
Proof of Work is the system that keeps Bitcoin secure.
Miners use real energy to prove they’ve done the work, preventing spam attacks and double spending.
No shortcuts. No fake money.
🎧 More Bitcoin tips + tools: https://Bitcoin30seconds.com