Word.ws English Dictionary

proof-of-work

proof-of-work is the alternative spelling of proof of work.

Meaning of proof of work

Noun

proof of work (countable and uncountable, plural proofs of work)

  1. 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.2008 October 31, Satoshi Nakamoto, “Bitcoin: A Peer-to-Peer Electronic Cash System”, in metzdowd.com Cryptography Mailing List
    Synonyms:
    PoW
  2. Used other than figuratively or idiomatically: see proof, of, work.

Forms of proof-of-work

pluralproofs-of-work

Questions about proof-of-work

What is proof-of-work the alternative spelling of?
Proof-of-work is the alternative spelling of proof of work.

Words near proof-of-work in the dictionary

  1. proof-listener
  2. proof-listeners
  3. proof-listening
  4. proof-listens
  5. proof-of-concept
  6. proof-of-work
  7. proof-read
  8. proof-reader
  9. proof-readers
  10. proof-reading
  11. proof-reads

Source and license

Adapted from Wiktionary: proof-of-work (page history and authors); proof of work (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “proof-of-work.” Word.ws, https://word.ws/proof-of-work. Based on Wiktionary, CC BY-SA 4.0.