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Distributed Ballot Based Protocol: Difference between revisions
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(Created page with "This example protocol implements the task of Quantum E-voting. In this protocol, the election authority prepares and distributes to each voter...") |
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==Outline== | ==Outline== | ||
In the beginning, the election authority prepares an N-qudit ballot state where the kth qudit of the state corresponds to V_k’s blank ballot and sends the corresponding blank ballot to V_k together with two option qudits, one for the “yes” and one for the “no” vote. then each voter decides on “yes” or “no” by appending the corresponding option qudit to the blank ballot and performing a 2-qudit measurement, then based on its result she performs a unitary correction and sends the 2-qudits ballot along with the measurement result back to the election authority. At the end of the election, the election authority applies a unitary operation on one of the qudits in the global state and another unitary operation on one of the qudits to find the number of yes votes. | In the beginning, the election authority prepares an N-qudit ballot state where the kth qudit of the state corresponds to <math> V_k’s</math> blank ballot and sends the corresponding blank ballot to <math>V_k</math> together with two option qudits, one for the “yes” and one for the “no” vote. then each voter decides on “yes” or “no” by appending the corresponding option qudit to the blank ballot and performing a 2-qudit measurement, then based on its result she performs a unitary correction and sends the 2-qudits ballot along with the measurement result back to the election authority. At the end of the election, the election authority applies a unitary operation on one of the qudits in the global state and another unitary operation on one of the qudits to find the number of yes votes. | ||
==Notations== | ==Notations== | ||