English

Uncloneable Encryption from Decoupling

Quantum Physics 2026-04-02 v2

Abstract

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

Cite

@article{arxiv.2503.19125,
  title  = {Uncloneable Encryption from Decoupling},
  author = {Archishna Bhattacharyya and Eric Culf},
  journal= {arXiv preprint arXiv:2503.19125},
  year   = {2026}
}

Comments

25 pages, 2 figures, v2: minor edits

R2 v1 2026-06-28T22:33:02.067Z