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For questions related to quantum cryptography protocol BB84.
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Is the BB84 protocol an example of "quantum supremacy"?
I am wondering if the BB84 protocol is an example of "quantum supremacy", ie. something a quantum computer can do but something that is assumed a classical computer cannot do the equivalent of. … Are there any classical algorithms that can allow for the equivalent of secure key distribution as accomplished through BB84, with unconditional security proof? …