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GitHub introduces hybrid post-quantum SSH security to better protect Git data in transit
(alternativeto.net)
this post was submitted on 16 Sep 2025
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Technology
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Meh. I think quantum computers are technological hocuspocus that is used as justification for companies like D-Wave to generate billions of dollars for a few financial executives. The science is real. The engineering is real. The technology is a toy and its uses are extraordinarily limited and out-competed by normal computers.
Can it optimally solve the travelling salesman problem? Sure. With many thousands of bits. Can a classical computer with a fancy algorithm get close enough for practical use cases? Yes. With today's technology and enough power to run an old lightbulb.
You're right. Only thing is that this is currently being worked on by multiple nation states as well, as these theories do have a military advantage. There will be money and resources pouring into this field for decades.
Even if it takes another 3 or 4 decades, the goal posts are planted, and I think Q-Day will eventually happen. Of course, im just assuming and can't know the future. For now, it is a toy as you have said.