By Jo Best
Published: Monday 18 April 2005
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Name
Tim Jackson
Location
Rossendale Lancs
Occupation
Engineer
Comment
The quantum links themselves may be secure, but how secure are the repeaters? Doesn't it defeat the object of quantum cryptography if Bob doesn't get the same photon that Alice sent? Who's to know that a hostile hasn't interted a fake repeater in the line?
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