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Quantum encryption key exchange demonstrated over 1,200km standard fibre

Researchers in Germany achieved the longest quantum key distribution over existing telecoms infrastructure, removing the need for trusted relay nodes and strengthening the case for deployment.

4 min read
Tessa GreenQuantum reporter
Fibre optic cables glowing in a server room
Photo: Unsplash

Researchers in Germany achieved the longest quantum key distribution over existing telecoms infrastructure, removing the need for trusted relay nodes and strengthening the case for deployment.

AT A GLANCE

  • Editors are tracking this story through official briefings and local reporting.
  • The newsroom will update this report as new verified detail becomes available.

The wider context matters as much as the headline. Our coverage separates confirmed facts from developing claims, explains the decisions behind the story, and highlights what readers should watch next.

The immediate impact is still being assessed, but the decisions now being made could shape policy, markets, and public trust well beyond the first news cycle.

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