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What is a zero-knowledge proof in cryptography?

In cryptography, a zero-knowledge proof or zero-knowledge protocol is a method by which one party (the prover) can prove to another party (the verifier) that some given statement is true, while avoiding conveying to the verifier any information beyond the mere fact of that statement's truth. [ 1]

What is a zero knowledge proof?

Zero knowledge proofs are cryptographic protocols that allow provers to prove the validity of a theorem to another party without disclosing any secret information. Originally introduced by Shafi Goldwasser, Silvio Micali, and Charles Rackoff in the 1980s, zero knowledge proofs have since become a powerful tool in the field of cryptography.

What is a zero-knowledge password proof?

However, a password is typically too small or insufficiently random to be used in many schemes for zero-knowledge proofs of knowledge. A zero-knowledge password proof is a special kind of zero-knowledge proof of knowledge that addresses the limited size of passwords. [citation needed]

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