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Quantum Bit Commitment: Difference between revisions
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This protocol achieves the task of Bit Commitment securely by using a relativistic scheme. | This [https://arxiv.org/abs/1108.2879 example protocol] achieves the task of Bit Commitment securely by using a relativistic scheme. | ||
In bit commitment, the commiter "commits" to a particular bit value. | In bit commitment, the commiter "commits" to a particular bit value. | ||
The receiver knows nothing about the committed bit value until the commiter chooses to do so. | The receiver knows nothing about the committed bit value until the commiter chooses to do so. | ||
The receiver has a guarantee that once committed, the commiter cannot change the committed bit value. | The receiver has a guarantee that once committed, the commiter cannot change the committed bit value. | ||
Bit commitment cannot be done with non-relativistic schemes as proved by Mayers in his paper | Bit commitment cannot be done with non-relativistic schemes as proved by Mayers in his [https://arxiv.org/abs/quant-ph/9605044 paper]. | ||