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Quantum Key Distribution Advances Towards Secure Global Internet

3/7/2026

Summary

Story summary

Researchers report progress in quantum key distribution that could enable metropolitan-scale quantum networks.
Researchers from the University of Science and Technology of China (USTC) created 1.2 million quantum pairs over a 100-kilometer fiber network in 26 days using entanglement swapping.
Studies published in Nature and Science suggest that perfecting quantum repeaters could yield a fully realized quantum internet within 10 to 15 years, enhancing secure communications.

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Story summary

Researchers report progress in quantum key distribution that could enable metropolitan-scale quantum networks.
Researchers from the University of Science and Technology of China (USTC) created 1.2 million quantum pairs over a 100-kilometer fiber network in 26 days using entanglement swapping.
Studies published in Nature and Science suggest that perfecting quantum repeaters could yield a fully realized quantum internet within 10 to 15 years, enhancing secure communications.