First unhackable shopping transactions carried out on quantum internet

Eventually, a network of quantum computers could enable the creation of a more secure quantum internet

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To shop on the unhackable quantum internet, we will need new security techniques. Though we do not have a fully operational quantum internet yet, researchers have now demonstrated a proof of concept for secure quantum e-commerce.

Hua-Lei Yin at Renmin University of China and his colleague built a small network from five quantum computers connected with several kilometres of fibre. This worked as all quantum networks do, by tweaking the quantum properties of light…

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