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Pass the hash for peace, love and security in the quantum computing age

frank ly

If quantum computing advances so much that it's a 'problem' in this way then quantum communication channels would also be quite easily available. I thought that one of the characteristics of a quantum entangled (quantangled?) channel was that you could tell if it had been intercepted,but it is relatively slow. So, they could send the secret symmetric key via a quantum-secure channel?

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