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This research establishes the existence of uncloneable encryption without relying on computational hardness assumptions, leveraging quantum physical principles to achieve information-theoretic security. The work advances fundamental quantum cryptography by proving that cloning limitations inherent in quantum mechanics can directly secure communication channels against eavesdropping.

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Uncloneable Encryption from Decoupling

arXiv6 octombrie 20261 min de cititArticolul și perspectiva sunt în engleză.

arXiv:2503.19125v4 Announce Type: replace Abstract: We show that uncloneable encryption exists with no computational assumptions, with security $\widetilde{O}\left(\tfrac{1}{\lambda}\right)$ in the security parameter $\lambda$.

Abstract:We show that uncloneable encryption exists with no computational assumptions, with security $\widetilde{O}\left(\tfrac{1}{\lambda}\right)$ in the security parameter $\lambda$.

arXiv:2503.19125 [quant-ph]

(or arXiv:2503.19125v4 [quant-ph] for this version)

https://doi.org/10.48550/arXiv.2503.19125 Focus to learn more arXiv-issued DOI via DataCite

https://doi.org/10.1038/s41567-025-03154-7 Focus to learn more DOI(s) linking to related resources

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