Is entanglement necessary to have unconditional security in quantum bit commitment ?

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A simple un-entanglement based quantum bit commitment scheme is presented. Although commitment is unconditionally secure but concealment is not.
Pdf. 2 pages. Revised

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Cryptography and Security

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http://salesiana.dossiersoluciones.com/handle/123456789/100628

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cs/0503048
 http://arxiv.org/abs/cs/0503048

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arXiv