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Reflective Satellites May Be the Future of High-End Encryption

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QKD mirrors

Mirrors like these could make QKD work via satellite.

Credit: NASA

Quantum key distribution is regularly touted as the encryption of the future. While the keys are exchanged on an insecure channel, the laws of physics provide a guarantee that two parties can exchange a secret key without knowing whether they're being overheard.

From Ars Technica
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