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Quantum information

The conundrum of secure positioning

Nature volume 479, pages 307–308 (2011)Cite this article

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Quantum information has been suggested as a means to prove beyond doubt a person's exact spatial position. But it turns out that all attempts to solve this problem using such an approach are doomed to failure.

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Figure 1: Cheating classical positioning.

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Authors and Affiliations

  1. Gilles Brassard is in the Département d'informatique et de recherche opérationnelle, Université de Montréal, Montréal, Québec H3C 3J7, Canada.,

    Gilles Brassard

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  1. Gilles Brassard
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Correspondence to Gilles Brassard.

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Brassard, G. The conundrum of secure positioning. Nature 479, 307–308 (2011). https://doi.org/10.1038/479307a

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