On the equivalence between classically verifiable position verification and certified randomness

Gate-based quantum computers can accelerate computational tasks beyond classical capabilities. Random circuit sampling is a task that has experimentally demonstrated algorithmic quantum advantage on near-term devices, but its practical utility has been limited. Recently, certified randomness generation based on random circuits was demonstrated on a trapped-ion quantum computer, advancing near-term applications. In this work, we connect single-device certified randomness to classically verifiable position verification, a classical communication primitive that avoids long-distance quantum communication challenges. We present a generic compiler that converts any such certified randomness protocol into a secure classically verifiable position verification scheme, extend it to multi-round protocols, and show its equivalence to a relaxed certified randomness variant. Our near-term instantiation based on random circuit sampling demonstrates classically verifiable position verification as a practical application for near-term devices.

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Publication Details

Journal
Nature Communications
Published
2026-04-15
DOI
https://doi.org/10.1038/s41467-026-70628-4
Primary Topic
Quantum Computing Algorithms and Architecture
Type
article
Field-Weighted Citation Impact
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On the equivalence between classically verifiable position verification and certified randomness

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Quantum Computing Algorithms and Architecture
article

On the equivalence between classically verifiable position verification and certified randomness

Fatih Kaleoglu, Minzhao Liu, Marco Pistoia, Kaushik Chakraborty, Omar Amer, Charles Lim
article en

Abstract

Gate-based quantum computers can accelerate computational tasks beyond classical capabilities. Random circuit sampling is a task that has experimentally demonstrated algorithmic quantum advantage on near-term devices, but its practical utility has been limited. Recently, certified randomness generation based on random circuits was demonstrated on a trapped-ion quantum computer, advancing near-term applications. In this work, we connect single-device certified randomness to classically verifiable position verification, a classical communication primitive that avoids long-distance quantum communication challenges. We present a generic compiler that converts any such certified randomness protocol into a secure classically verifiable position verification scheme, extend it to multi-round protocols, and show its equivalence to a relaxed certified randomness variant. Our near-term instantiation based on random circuit sampling demonstrates classically verifiable position verification as a practical application for near-term devices.

Nature Communications
JPMorgan Chase & Co (United States) (US), University of California, Santa Barbara (US), Massachusetts Institute of Technology (US)
Openalex Percentile: Top 16%
Quantum Computing Algorithms and Architecture
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