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Original Research
09 August 2022

Oblivious transfer (OT) is one of the keystones of secure multi-party computation. It is generally believed that unconditionally secure OT is impossible. In this article, we propose a practical and secure quantum all-or-nothing oblivious transfer protocol based on the quantum one-way function. The protocol is built upon a quantum public-key encryption construction, and its security relies on the no-cloning theorem and no-communication theorem. Practical security is reflected in limitations on non-demolition measurements.

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Frontiers in Physics

Advances in Quantum Technologies and Theoretical Progress in Quantum Information Processing Through Single-Photon Nonlinearity
Edited by Mingxin Dong, Da-Chuang Li, Yan Xia, Ming Yang, Shikai Liu
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08 August 2025
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