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by sweis 1690 days ago
I don't think QKD is practical, yet there are constantly companies trying to sell it. I don't really understand who is the market -- not big companies and not the US government.

The NSA recently issued guidance to government agencies that it "does not consider QKD a practical security solution for protecting national security information".

https://media.defense.gov/2021/Aug/04/2002821837/-1/-1/1/Qua...