Word.ws English Dictionary

proof of work

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

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
    • 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.2018 March 5, Nouriel Roubini, Preston Byrne, “Bitcoin is based on the blockchain pipe dream”, in The Guardian
    Synonyms:
    PoW
  2. Used other than figuratively or idiomatically: see proof, of, work.

proof of work meaning in Tamil

proof of work in Tamil

நிரூபனம்

Synonyms of proof of work

Forms of proof of work

pluralproofs of work
alternative formproof-of-work

Origin of proof of work

Coined in a 1999 paper.

Questions about proof of work

What does proof of work mean?
Proof of work means a form of cryptographic proof in which a prover proves to verifiers that a certain amount of a specific computational effort has been expended.
What is proof of work in Tamil?
Proof of work in Tamil is நிரூபனம். See Proof of work meaning in Tamil.
What part of speech is proof of work?
Proof of work is a noun.
What is the plural of proof of work?
The plural of proof of work is proofs of work.

Words near proof of work in the dictionary

  1. proof of life
  2. proof of payment
  3. proof of purchase
  4. proof of stake
  5. proof of technology
  6. proof of work
  7. proof plane
  8. proof planes
  9. proof positive
  10. proof reader
  11. proof readers

Source and license

Adapted from Wiktionary: proof of work (page history and authors); proof of work (Tamil Wiktionary) (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.