Author

Kaushik Chakraborty

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Preprint Sep 2026

Classical Verifier Position Verification from Non-Local Games

Secure position verification certifies that a remote prover occupies a claimed location, a task that is provably impossible with classical resources alone against colluding adversaries. Most existing quantum position verification schemes require transmitting quantum states between verifiers and provers, and the resulti...

Wen Yu Kon, Fatih Kaleoglu, Kaushik Chakraborty · 0 citations

Preprint Sep 2026

Loss-Tolerant Quantum Position Verification for Metropolitan Area Networks

This work introduces and experimentally demonstrate a loss-tolerant QPV (LT-QPV) protocol whose security is independent of channel loss, and proves finite-size security against quantum polynomial-time entangled adversaries in the quantum random oracle model instantiated with cryptographically secure hash functions.

Wen Yu Kon, N. Bigagli, Andrew Conrad et al. · 1 citation