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Secure Classical Bit Commitment using Fixed Capacity Communication Channels
[article]
2006
arXiv
pre-print
If mutually mistrustful parties A and B control two or more appropriately located sites, special relativity can be used to guarantee that a pair of messages exchanged by A and B are independent. In earlier work, we used this fact to define a relativistic bit commitment protocol, RBC1, in which security is maintained by exchanging a sequence of messages whose transmission rate increases exponentially in time. We define here a new relativistic protocol, RBC2, which requires only a constant
arXiv:quant-ph/9906103v7
fatcat:nnwktji37bgvthor5nj5ecvpgq