[Cryptography] QM giveth, QM taketh away

Richard Outerbridge outer at interlog.com
Sat Feb 13 19:42:27 EST 2021

> On 2021-02-13 (44), at 10:20:13, Bill Frantz <frantz at pwpconsult.com> wrote:
> On 2/12/21 at 9:39 PM, leichter at lrw.com (Jerry Leichter) wrote:
>> Quantum key distribution (theoretically) 

[ …. ]

> I vaguely remember hearing about a communication link in the Washington DC area that ran beside a freeway. To protect the link against various "tapping in" attacks ended with the link costing more per mile than the freeway beside it. Protecting a quantum link might take this level of effort.
> Cheers - Bill

Ah ha.   So less noisy than usual in Washington, DC?

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