Yea, bottom line is quantum computing does not break cryptography. Just because some quantum systems can in theory break encryption closer to polynomial time versus exponential time of classical systems, does not mean that all cryptography is broken. Certain algorithms are more susceptible to quantum attacks than others. However many conventional algorithms can thwart the ability of being broken in a reasonable amount of time just by using larger key sizes. Say that one day everyone has quantum computers, once this happens then everyone will employ quantum cryptography algorithms to secure their data.
And now your privacy fears are hopefully squelched a little.
PS. In my opinion the company D-Wave is intentionally misleading people about its technology.
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