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What Is Proof-of-Work?

Proof-of-work is the blockchain-based algorithm that secures many cryptocurrencies, including Bitcoin and Ethereum.

By Alyssa Hertig
Updated Jan 12, 2023, 10:15 p.m. Published Dec 16, 2020, 10:57 p.m.
Bitcoin's proof-of-work algorithm is why it requires so much power and equipment.
Bitcoin's proof-of-work algorithm is why it requires so much power and equipment.