Adam Back created Hashcash, the proof-of-work system that powers Bitcoin. Discover how this cypherpunk pioneer helped lay the foundation for digital money and inspired Satoshi Nakamoto.
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Proof of Work: Why Bitcoin’s Energy Use Is a Feature, Not a Flaw
Bitcoin doesn’t waste energy—it uses it to secure a global, decentralised money system. Learn why Proof of Work makes Bitcoin fair, unbreakable, and truly scarce.