Degrees of concealment and bindingness in quantum bit commitment protocols

@article{Spekkens2001DegreesOC,
  title={Degrees of concealment and bindingness in quantum bit commitment protocols},
  author={R. Spekkens and T. Rudolph},
  journal={Physical Review A},
  year={2001},
  volume={65},
  pages={012310}
}
  • R. Spekkens, T. Rudolph
  • Published 2001
  • Physics
  • Physical Review A
  • Although it is impossible for a bit commitment protocol to be both arbitrarily concealing and arbitrarily binding, it is possible for it to be both partially concealing and partially binding. This means that Bob cannot, prior to the beginning of the unveiling phase, find out everything about the bit committed, and Alice cannot, through actions taken after the end of the commitment phase, unveil whatever bit she desires. We determine upper bounds on the degrees of concealment and bindingness… CONTINUE READING

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