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by NateLawson 1574 days ago
QKD relies on many underlying assumptions, which researchers conveniently sweep under the rug while continuing to build castles ever higher on the theoretically "perfect" but insecure foundation. It is unclear how the underlying implementation for QKD can be made as secure as modern silicon countermeasures are against attacks like fault injection.

A while back, I summarized all the ways I could think of where the layer under QKD fall apart. I think the list is still valid:

https://rdist.root.org/2008/10/24/quantum-cryptography-is-us...