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proof of work. In DICTIOUS you will not only get to know all the dictionary meanings for the word
proof of work, but we will also tell you about its etymology, its characteristics and you will know how to say
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English
Etymology
Coined in a 1999 paper.[1]
Noun
proof of work (countable and uncountable, plural proofs of work)
- (cryptography, cryptocurrencies) A form of cryptographic proof in which a prover proves to verifiers that a certain amount of a specific computational effort has been expended.
- Synonym: PoW
- Coordinate terms: proof of stake, proof of space
2008 October 31, Satoshi Nakamoto, “Bitcoin: A Peer-to-Peer Electronic Cash System”, in metzdowd.com Cryptography Mailing List: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.
2018 March 5, Nouriel Roubini, Preston Byrne, “Bitcoin is based on the blockchain pipe dream”, in The Guardian: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.
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References
- ^ Markus Jakobsson, Ari Juels (1999) “Proofs of Work and Bread Pudding Protocols”, in Secure Information Networks: Communications and Multimedia Security, Kluwer Academic Publishers, →DOI, pages 258–272
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