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Quantum Bit Commitment Using Entangled States

Guang-Ping He

Published 2003-03-18, updated 2003-08-15Version 2

Based on the fact that the entanglement can not be created locally, we proposed a quantum bit commitment protocol, in which entangled states and quantum algorithms is used. The bit is not encoded with the form of the quantum states, and delaying the measurement is required. Therefore the protocol will not be denied by the Mayers-Lo-Chau no-go theorem, and unconditional security is achieved.

Comments: This revised version added a brief discussion on how the protocol evades the MLC theorem
Categories: quant-ph
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