Decentralized Verification via Quantum State Tomography

Jincheng Zhang

Published Aug 29, 2026• 0 citations

Abstract

This paper proposes a novel decentralized verification framework utilizing quantum state tomography performed on a distributed network of quantum sensors. The core idea is to leverage the inherent properties of quantum mechanics—specifically, the disturbance introduced by measurement—to establish verifiable proof of computational integrity and data authenticity. Unlike traditional centralized verification systems reliant on a single trusted authority, this approach distributes the verification process across multiple independent sensors. Each sensor independently measures a quantum state, generating a local tomography result. Sophisticated algorithms then analyze the consistency of these distributed results, detecting any deviations that could indicate tampering or unauthorized modification. The framework's robustness stems from the fundamental uncertainty principle, which dictates that precise measurement of a quantum state inevitably introduces disturbance. This disturbance serves as a verifiable signature, providing a tamper-evident record. This paper details the theoretical foundations, outlines the key components of the system, and explores the potential applications of this decentralized verification approach.

DOI: 10.5281/zenodo.22154590

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