Quantum Network Secure Multi-Party Computation

Jincheng Zhang

Published Aug 28, 2026• 0 citations

Abstract

This paper explores the design and implementation of a secure multi-party computation (MPC) protocol within a quantum network environment. The core aim is to facilitate computation among multiple parties while guaranteeing the confidentiality of their inputs and the overall computation results. This is achieved by leveraging the principles of Quantum Key Distribution (QKD) and the inherent security provided by the quantum state's properties. We present a protocol that utilizes QKD for secure key exchange among participants and employs quantum state manipulation to obscure intermediate values during computation. The protocol addresses the challenges posed by quantum eavesdropping and ensures the integrity of the final outcome. The key contributions of this work lie in the integration of established MPC techniques with the unique capabilities of a quantum network, offering a novel approach to secure distributed computation. The theoretical analysis demonstrates the protocol's security under specific assumptions, and outlines potential avenues for future research and optimization.

DOI: 10.5281/zenodo.22140490

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