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Related Experiment Video

Updated: Jan 15, 2026

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

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A novel quantum private query protocol and its application in private set intersection.

Zeping Deng1,2,3, Hongwei Sun3,4, Kejia Zhang5,6,7

  • 1School of Mathematical Sciences, Heilongjiang University, Harbin, 150080, China.

Scientific Reports
|October 14, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces a new quantum privacy query (QPQ) protocol using two-particle states for secure data access. The protocol, demonstrated on IBM Quantum Experience, is secure and applicable to private set intersection (PSI).

Keywords:
Private set intersectionQuantum private queryQuantum secure multiparty computing

Related Experiment Videos

Last Updated: Jan 15, 2026

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

1.1K

Area of Science:

  • Quantum Information Science
  • Quantum Cryptography
  • Secure Multiparty Computing

Background:

  • Quantum privacy query (QPQ) is crucial for secure information retrieval between users and databases.
  • Existing QPQ research often emphasizes functionality over practical applications.

Purpose of the Study:

  • To propose a novel QPQ protocol utilizing two-particle quantum states.
  • To explore the application of this QPQ protocol in private set intersection (PSI).

Main Methods:

  • Developed a QPQ protocol employing two-particle states and control operations (Ctrl/Shift).
  • Simulated the protocol's feasibility using the IBM Quantum Experience platform.
  • Analyzed the security of the proposed QPQ and derived PSI protocols.

Main Results:

  • The proposed QPQ protocol enables users to obtain partial key sequences without database recognition.
  • Simulation experiments confirmed the feasibility of the protocol.
  • The QPQ protocol is shown to be secure and applicable to PSI.

Conclusions:

  • A novel and feasible quantum privacy query protocol based on two-particle states has been successfully developed.
  • The protocol offers enhanced privacy by obscuring user key sequences from the database.
  • The research demonstrates the protocol's security and its utility in advancing private set intersection applications.