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The only good thing about 'AI' is that no-one is talking about the fucking metaverse anymore...
(self.showerthoughts)
this post was submitted on 15 Nov 2024
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Quantum computing. It would have already been but it still has a very nerdy, no real-world application vibe.
Well the real world application is breaking nearly all existing encryption.
Criminals and spies are going to have a field day once it becomes practical.
The new asymmetric quantum safe algos are coming though.
With classic cryptography being broken that also opens the need for quantum cryptography and commnications. China is a bit farther ahead of us on this launching their first satellite encorporating these concepts in 2020:
"The nation’s Micius satellite successfully established an ultrasecure link between two ground stations separated by more than 1,000 kilometers" source
China is launching a second newer generation satellite next year. source
It only breaks asymmetric encryption like SSL and PGP. The strength of symmetric encryption, like you have with password protected files and drive volumes, is reduced somewhat but should still be more than sufficient.
And like the other commenter said, there are asymmetric algorithms that are quantum-safe, they just aren't in widespread use (though apparently just this year NIST announced a standard for lattice based cryptography).
I could swear we've been preparing for that day for a decade now