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Why we don't have 128-bit CPUs
(www.xda-developers.com)
This is a most excellent place for technology news and articles.
Quantum encryption isn't something quantum computers can even do. It's not just transforming bits into other bits, it's about building entirely new security properties based on physical properties of matter.
So, even if it is interesting for end users, they would need dedicated hardware anyway.
Shows how much I know! (Nothing)