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Device-Independent Anonymous Communication in Quantum Networks

Srijani Das, Manasi Patra, Tuhin Paul, Anish Majumdar, Ramij Rahaman
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⚡ Quantum Brief
Researchers from India introduced the first fully quantum protocol for anonymous communication, eliminating reliance on classical subroutines or private channels. Published December 2025, the work achieves information-theoretic security in adversarial network settings. The protocol ensures device-independent security, meaning it remains robust even if hardware is compromised or untrusted. This addresses a critical gap in existing quantum anonymity solutions that depend on trusted devices. Unlike classical methods, which cannot guarantee unconditional anonymity, this approach hides sender and receiver identities using purely quantum mechanisms. It leverages entanglement and superposition for provable security. The team’s framework is designed for realistic quantum networks, making it adaptable to near-term quantum infrastructure. This contrasts with prior theoretical models requiring idealized conditions. The breakthrough combines quantum cryptography and network theory, offering a foundation for future privacy-preserving quantum internet applications. It marks a shift toward fully quantum-secured communication protocols.
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Quantum Physics arXiv:2512.21047 (quant-ph) [Submitted on 24 Dec 2025] Title:Device-Independent Anonymous Communication in Quantum Networks Authors:Srijani Das, Manasi Patra, Tuhin Paul, Anish Majumdar, Ramij Rahaman View a PDF of the paper titled Device-Independent Anonymous Communication in Quantum Networks, by Srijani Das and 4 other authors View PDF HTML (experimental) 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. Comments: Subjects: Quantum Physics (quant-ph); Cryptography and Security (cs.CR) Cite as: arXiv:2512.21047 [quant-ph] (or arXiv:2512.21047v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2512.21047 Focus to learn more arXiv-issued DOI via DataCite (pending registration) Submission history From: Ramij Rahaman [view email] [v1] Wed, 24 Dec 2025 08:28:37 UTC (16 KB) Full-text links: Access Paper: View a PDF of the paper titled Device-Independent Anonymous Communication in Quantum Networks, by Srijani Das and 4 other authorsView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph new | recent | 2025-12 Change to browse by: cs cs.CR References & Citations INSPIRE HEP NASA ADSGoogle Scholar Semantic Scholar export BibTeX citation Loading... BibTeX formatted citation × loading... Data provided by: Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv (What is alphaXiv?) Links to Code Toggle CatalyzeX Code Finder for Papers (What is CatalyzeX?) DagsHub Toggle DagsHub (What is DagsHub?) GotitPub Toggle Gotit.pub (What is GotitPub?) Huggingface Toggle Hugging Face (What is Huggingface?) Links to Code Toggle Papers with Code (What is Papers with Code?) ScienceCast Toggle ScienceCast (What is ScienceCast?) Demos Demos Replicate Toggle Replicate (What is Replicate?) Spaces Toggle Hugging Face Spaces (What is Spaces?) Spaces Toggle TXYZ.AI (What is TXYZ.AI?) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower (What are Influence Flowers?) Core recommender toggle CORE Recommender (What is CORE?) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs. Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)

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