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RE: Have You Ever Seen or Heard a Quantum Computer!
on the otherside we 'll experience potential threats on all of our sorts of security t's all depend that no one have a quatum computer I'd encourage you to know more about prime factorization and shor's algorithm.
if anyone could make it he could break any system within a second all sorts of current cryptography would be useless
It might finally enable weather forecasts to be accurate more than a few days out as well. It will be interesting to know precisely where hurricanes will make landfall, instead of the spaghetti models that we have now which are better than nothing, but still leave a lot to be desired. I think quantum computers will be like GPS in the sense that governments will have the cutting edge capabilities before civilians. You could make unbreakable (with classical computers) and tamper-evident transmissions which will be of interest to militaries. Encryption like we have now with SHA-256 could be compromised, and would destroy coins that use this technology (like Bitcoin) unless some serious changes are implemented. It's all pretty fascinating though, and the connection between mathematics, computer science, and physics is kind of inspiring in a way.