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What is a quantum signature I am reading Amit Goswami's God is Not Dead book and he talks of quantum signatures Please explain in the most simple terms possible?

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November 21, 2012 10:29AM

The Wikipedia has an article on "quantum digital signature"; perhaps that's what the book is referring to. Briefly, it is a method used to authenticate a document - to try to verify that an email (for example) was written by who claims to write it.