this post was submitted on 21 Aug 2024
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I'd say very slightly past that. Quantum computers do work right now, but it's the same way the Wright brothers' first plane worked: as proof of concept and research, but not better than existing tech for solving any problems.
And it's not that they fail to meet expectations of the designers, as far as I know they do exactly what they are built to do as well as predicted with the tech we have. Just the press is expecting more.
The uses/advantages of quantum computing is also such that if it does work, the 3 letter agencies will want to keep it to themselves and decrypt as much as possible before admitting it even exists.
Isn't post-quantum cryptography already a thing? Probably not implemented in anything meaningful yet, but still.
Signal has it yes