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Device-Independent Anonymous Communication in Quantum Networks
Srijani Das, Manasi Patra, Tuhin Paul, Anish Majumdar, Ramij Rahaman·December 24, 2025
Quantum PhysicsCryptography
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Abstract
Anonymity is a fundamental cryptographic primitive that hides the identities of both senders and receivers during message transmission over a network. Classical protocols cannot provide information-theoretic security for such task, and existing quantum approaches typically depend on classical subroutines and multiple private channels, thereby weakening their security in fully adversarial settings. In this work, we introduce the first fully quantum protocol for anonymous communication in realistic quantum networks with a device-independent security proof.