Quantum encryption gets off the ground with China’s Micius satellite

Quantum computers of the future will be so powerful that many believe they will be used to crack the powerful encryption used today to defend government secrets and protect sensitive corporate data like bank transactions.

In reaction, researchers are developing methods to bolster encryption that also rely on quantum physics. One approach is Quantum Key Distribution (QKD), the use of photons (minute particles of light) in laser light for encrypted quantum communications that primarily travel over fiber optic cables.

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