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Why Signal’s post-quantum makeover is an amazing engineering achievement
(arstechnica.com)
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this post was submitted on 20 Oct 2025
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Even if quantum computing turns out to actually be infeasible and classical cryptography is secure for the next millennia, it's still a good feature to have a third independent encryption layer in the protocol. It makes it that much less likely reliant on the other two being bulletproof.
Maybe. I don't know at which point all that extra processing stops being worth it.