Beating classical impossibility of position verification (2022)

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Constructs a QPV protocol with only classical input and output information from the assumption that LWE is quantum-hard. Shows unconditional security in the random oracle model.

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Position-Based Quantum Cryptography

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2026-10-10

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Position-Based Quantum Cryptography › Ways Around the Universal Attacks on QPV: “Constructs a QPV protocol with only classical input and output information from the assumption that LWE is quantum-hard. Shows unconditional security in the random oracle model.”