A user wishes to prove they know a secret to a remote server without revealing the secret itself. Which mechanism confirms knowledge without disclosure?

💡 Explanation

Zero-knowledge proofs enable a prover to convince a verifier that they possess knowledge of a secret without conveying any information about the secret; because the interaction is designed to reveal nothing beyond the validity of the claim, therefore zero-knowledge proofs work, rather than homomorphic encryption which protects the secret during computation.

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