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proof of work

noun

Etymology

Coined in a 1999 paper.

Definitions

  1. A form of cryptographic proof in which a prover proves to verifiers that a certain amount…

    A form of cryptographic proof in which a prover proves to verifiers that a certain amount of a specific computational effort has been expended.

    • The network timestamps transactions by hashing them into an ongoing chain of hash-based proof-of-work, forming a record that cannot be changed without redoing the proof-of-work.
    • Blockchains that use “proof-of-work”, as many popular cryptocurrencies do, raise yet another problem: they require a huge amount of raw energy to secure them.

  2. Used other than figuratively or idiomatically

    Used other than figuratively or idiomatically: see proof, of, work.

The neighborhood

Vish — recursive loop

No curated loop yet for proof of work. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA