Simplified instantaneous non-local quantum computation with applications to position-based cryptography (2011)

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Provides a general attack on QPV based on port-based teleportation, using an exponential amount of pre-shared EPR pairs in the number of input qubits. Also provides a QPV protocol with a provably linear lower bound.

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Position-Based Quantum Cryptography

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2026-10-10

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Position-Based Quantum Cryptography › Universal Attacks on QPV: “Provides a general attack on QPV based on port-based teleportation, using an exponential amount of pre-shared EPR pairs in the number of input qubits. Also provides a QPV protocol with a provably linear lower bound.”