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I wrote a long-ish comment about what you can expect of QC just yesterday https://news.ycombinator.com/item?id=42212878 https://news.ycombinator.com/item?id=42

• xscott 2y ago
  Thank you for the link. I appreciate the write-up. This sentence though: > breaking some cryptography schemes it not exactly the most exciting thing IMHO You're probably right that we'll migrate to QC-resistant algorithms before this happens, but if factoring was solved today, I think it would be very exciting :-)
  • EvgeniyZh 2y ago
    I think it would be very __impactful__, but it is not really useful for humanity, rather opposite.
    • xscott 2y ago
      Who knows. "It's difficult to make predictions, especially about the future", but it might be a good thing to accelerate switching to new crypto algorithms sooner, leaving fewer secrets to be dug up later.