Word Pronunciation & Dictionary

proof of work

Word Rarity Uncommon

Frequency: Zipf frequency 4.68 in modern English

Syllables: proof of -work
IPA

26

Scrabble Score

11

Letters

2

Syllables

6

Unique Chars

Meaning

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.

Countable; Uncountable

noun

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

Countable; Uncountable

Example Sentences

"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."

Etymology

Coined in a 1999 paper.

Usage

Inflected Forms

proofs of work (plural) proof-of-work (alternative)

Phrases

proof of burn proof of stake zero-knowledge proof

Frequently Paired Words

mining proof of burn proof of stake zero-knowledge proof proof of space

Synonyms

PoW

Questions

What does proof of work mean?: A form of cryptographic proof in which a prover proves to verifiers that a certain amount of a specific computational effort has been expended.
Where does proof of work come from?: Coined in a 1999 paper.

How to pronounce proof of work

Open the pronunciation page — Open the Speakur entry for “proof of work”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “proof of work”.
Repeat and practice — Say “proof of work” aloud, matching stress and vowels until it feels natural.