Definition ∞ Hash-based Zero-Knowledge Proofs (ZKPs) are cryptographic protocols that enable one party to prove knowledge of a secret to another without revealing the secret itself, relying primarily on hash functions. Unlike ZKPs dependent on number theory or elliptic curves, these systems often offer quantum resistance. They construct proofs through iterative hashing and commitment schemes. This approach provides a distinct security profile.
Context ∞ The exploration of hash-based ZKPs is gaining momentum due to their potential resilience against quantum computing threats, making them a significant area of post-quantum cryptography research. Current work focuses on improving their efficiency, particularly proof size and verification time, which historically have been larger compared to other ZKP types. Their development is critical for future privacy-preserving and verifiable computation in a quantum-resistant digital landscape.
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