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Unconditionally secure quantum coin flipping
Published 3 Feb 2016 in quant-ph | (1602.01430v4)
Abstract: Quantum coin flipping (QCF) is an essential primitive for quantum cryptography. Unconditionally secure strong QCF with an arbitrarily small bias was widely believed to be impossible. But basing on a problem which cannot be solved without quantum algorithm, here we propose such a QCF protocol, and show how it manages to evade all existing no-go proofs on QCF.
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