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Cryptographers Find Practical Attacks on Fiat-Shamir Zero-Knowledge Proofs

New research reveals vulnerabilities in Fiat-Shamir heuristic used in ZK proof systems, showing how attackers can potentially prove false statements in widely-used cryptographic protocols.

privacysurveillancecensorship-resistanceactivism
Libertas Research2 sources
Freedom Signal:85%
Credibility:92%
1 min read
United KingdomUnited StatesChina
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Sources (2)

  1. [1]blog.cryptographyengineering.comblog.cryptographyengineering.com — Accessed Feb 20, 2026https://blog.cryptographyengineering.com/2025/02/06/how-to-prove-false-statements-part-2/
  2. [2]blog.cryptographyengineering.comblog.cryptographyengineering.com — Accessed Feb 20, 2026https://blog.cryptographyengineering.com/2025/02/12/u-k-asks-to-backdoor-icloud-backup-encryption/
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