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by raccoonDivider 854 days ago
> Edit, added: Harvest now, decrypt later applies to any encrypted data. There is nothing special about the quantum threat. This all only makes sense if we can predict what the actual threat is ... and so far we can't.

But we know Shor's algorithm, and we've started building prototype quantum computers. Isn't that enough to build something that counters them? Worst case, we deploy new ciphers and realize that the threat was empty 50 years from now. What's the downside?