KnowraProof of workLinked fromLinked fromThe 6 pages that link to Proof of work, each with the reason it gives.All 6Broader topic 1Related 3Compared with 2CryptocurrencyRelated: Bitcoin uses this costly competition to order transactions and resist ledger rewriting.BitcoinRelated: Bitcoin uses proof of work to order blocks and resist tampering.Satoshi NakamotoRelated: Nakamoto used it to order transactions and secure Bitcoin without a central authority.