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Author

John A. Clark

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Jul 2026

Zero-Knowledge Proof of Progress: Secure Multi-Phase Capture-the-Flag Competitions

Existing Capture-the-Flag (CTF) platforms trust a single organizer, offer limited auditability, and are vulnerable to infrastructure-level manipulation. We propose zk–MPSFV, a zk-SNARK-based, multi-phase sub-flag verification scheme that replaces centralized scoring with an on-chain, zero-knowledge, publicly verifiable...

S. Khanji, Behzad Abdolmaleki, John A. Clark et al. · 0 citations

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