SFAICT, QKD is mostly a way for academic physics to seek grants from credulous
donors.
I suspect China's investment in it is probably just a function of their major
investment into academic sciences and research beginning to pay off, rather
than anything to do with an assessment of encryption o
> if I had to venture a guess as to why there seems to be growing interest
in QKD now: quantum computers are close enough to being practical that
governments want to move ...
I think this is true, but it just highlights that the people funding QKD
also don't understand it.
Quantum computers are g