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posted by on Monday April 03 2017, @05:27PM   Printer-friendly
from the never-heard-of-him dept.

Rigetti Computing, a leading quantum computing start-up, announced it has raised $64 million in Series A and B funding.

[...] The latest round brings the total amount of venture funding raised by Rigetti to $69.2 million.

"Quantum computing will enable people to tackle a whole new set of problems that were previously unsolvable," said Chad Rigetti, founder and chief executive officer of Rigetti Computing. "This is the next generation of advanced computing technology. The potential to make a positive impact on humanity is enormous."

"We will use the funding to expand our business and engineering teams and continue to invest in infrastructure to manufacture and deploy our quantum integrated circuits," Rigetti added.

Source: http://www.nextbigfuture.com/2017/03/quantum-computer-startup-rigetti.html

Previously mentioned here: https://soylentnews.org/article.pl?sid=16/02/10/181240


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  • (Score: 3, Interesting) by VLM on Monday April 03 2017, @05:45PM (3 children)

    by VLM (445) on Monday April 03 2017, @05:45PM (#488277)

    "Quantum computing will enable people to tackle a whole new set of problems that were previously unsolvable,"

    Currently there are not any good apps beyond historical factoring problems assuming those can be made to work.

    Don't get me wrong, QC is cool and I sat thru an entire class on it, but its not 1940s all over again where there were tons of apps, mostly engineering and accounting related, just waiting for computers to automate them away.

    A working QC means we'd have to implement multivariate and lattice crypto which is mostly factoring proof. I remember sitting thru a lecture on the topic of UOV signature scheme like ten years ago thinking it was a huge PITA. UOV is a multivariate scheme where you solve a boatload of simultaneous quadratic equations IIRC and factoring doesn't help, in fact nothing really helps. It does use a lot of disk space which I guess won't matter in a world of 10 GB microcontrollers than cost ten cents and run embedded linux at 10 GHz on 10 nA of power in 2040 or so.

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  • (Score: 2) by frojack on Monday April 03 2017, @06:41PM (2 children)

    by frojack (1554) on Monday April 03 2017, @06:41PM (#488289) Journal

    One would hope that Quantum encryption devices would arrive before quantum decryption technology arrives in three letter agencies, but nobody believes that will happen.

    Just as the government dropped the encryption-as-munition regulations, you can expect to see all the objections to consumer encryption disappear as soon QC encryption busting engines arrive. At least until Quantum-Cryto USB sticks are a thing.

    In fact I see encryption as the only REAL market for this technology for the foreseeable future. We just don't have that many actual applications, as you point out.

    --
    No, you are mistaken. I've always had this sig.
    • (Score: 0) by Anonymous Coward on Monday April 03 2017, @10:52PM

      by Anonymous Coward on Monday April 03 2017, @10:52PM (#488426)

      > hasn't happened

      ftfy

    • (Score: 2) by urza9814 on Wednesday April 05 2017, @11:35AM

      by urza9814 (3954) on Wednesday April 05 2017, @11:35AM (#489086) Journal

      One would hope that Quantum encryption devices would arrive before quantum decryption technology arrives in three letter agencies, but nobody believes that will happen.

      There are encryption schemes that can be done with a classical computer that won't be broken by quantum computers. So we just need to switch to those for a while. Preferably soon...I'd be interested if anyone has any details on if any major software does/will support any of those.
      https://en.wikipedia.org/wiki/Post-quantum_cryptography [wikipedia.org]

      Just as the government dropped the encryption-as-munition regulations, you can expect to see all the objections to consumer encryption disappear as soon QC encryption busting engines arrive. At least until Quantum-Cryto USB sticks are a thing.

      Not really; unless they've got that quantum computer already. Definitely once it's known (or rumored) that they have it, smart criminals will fix their crypto. There's at least one cryptography package to do this already:
      https://github.com/exaexa/codecrypt [github.com]

      In fact I see encryption as the only REAL market for this technology for the foreseeable future. We just don't have that many actual applications, as you point out.

      The main application would seem to be decrypting *historical* documents? Or am I overly optimistic?