Extractable NIZK → News → Incrypthos News

Extractable NIZK

Definition ∞ Extractable NIZK, or Extractable Non-Interactive Zero-Knowledge proofs, are a type of cryptographic proof where, if a prover can generate a valid proof for a false statement, an extractor algorithm can then recover the secret witness that the prover supposedly knew. This property ensures that valid proofs can only be generated by those who genuinely possess the secret information. Such proofs are crucial for security in various cryptographic protocols.
Context ∞ Extractable NIZKs are a foundational element in advanced cryptographic constructions, particularly those used in privacy-preserving blockchain protocols and verifiable computation. News often references these proofs when discussing the security guarantees and trust assumptions of zero-knowledge rollups and other scaling solutions. Their presence is a technical assurance that a system’s integrity cannot be compromised by dishonest provers.

A bisected sphere contrasts a digital system's exterior and interior. The left half features a smooth, light blue surface with engineered indentations, resembling validator nodes or smart contract entry points. The right half reveals a translucent, darker blue interior, where white cloud-like structures, representing dynamic on-chain data processing and transaction throughput, swirl within a complex network architecture. A central dark aperture suggests an oracle or core execution environment, illustrating DLT protocol layers.

→Post-Quantum Security

→LWE Problem

→Proofs of Quantumness

Zero-Knowledge Proofs of Quantumness Secure Quantum Computing Verification

ZKPoQ formalizes quantum completeness and classical soundness with a verifier-side zero-knowledge argument, preventing classical verifiers from exploiting quantum provers' secrets.