After reading some articles, written by some credible mathematicians
   and computer science engineers, I've become skeptical whether quantum
   computers are likely to become practical devices for the many problems
   they are being proposed to solve.
   [1]https://www.quantamagazine.org/gil-kalais-argument-against-quantum-c
   omputers-20180207/  and
   [2]https://spectrum.ieee.org/computing/hardware/the-case-against-quantu
   m-computing
   On Tue, Dec 25, 2018 at 10:22 PM jim bell <[3]jdb10987@yahoo.com>
   wrote:

The Star Online: Is quantum computing a cybersecurity threat? - Tech News.
[4]http://www.thestar.com.my/tech/tech-news/2018/12/26/is-quantum-computing-a-cy
bersecurity-threat/

References

   1. https://www.quantamagazine.org/gil-kalais-argument-against-quantum-computers-20180207/
   2. https://spectrum.ieee.org/computing/hardware/the-case-against-quantum-computing
   3. mailto:jdb10987@yahoo.com
   4. http://www.thestar.com.my/tech/tech-news/2018/12/26/is-quantum-computing-a-cybersecurity-threat/