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The multi-user quantum signature protocol makes the message can be signed by more than one signatory. In this paper, we put forward an enhanced quantum multi-signature scheme based on Bell states and the controlled quantum teleportation. Compared to the previous multi-signature schemes, our protocol can offer higher security guaranteed by the fundamental laws of physics. While ensuring the nice security...
The multi-user quantum signature protocol makes the message can be signed by more than one signatory and verified by the verifier. In this paper, we put forward an enhanced quantum multi-signature scheme based on Bell states and the controlled quantum teleportation. Compared to the previous multi-signature schemes, our protocol can offer higher security guaranteed by the fundamental laws of physics...
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