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Quantum Bit Commitment: Difference between revisions
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==Outline== | ==Outline== | ||
The receiver securely pre-prepares a set of qubits randomly from the BB84 states and sends them to the commiter. | The receiver securely pre-prepares a set of qubits randomly chosen from the BB84 states and sends them to the commiter. | ||
To commit to the bit 0, the commiter measures the received qubits in the standard basis and in Hadamard basis to commit to 1. | To commit to the bit 0, the commiter measures the received qubits in the standard basis and in Hadamard basis to commit to 1. | ||
The commiter then sends the outcomes to their agents over secure classical channels. | The commiter then sends the outcomes to their agents over secure classical channels. | ||
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The receiver's agents then check if the outcomes they have received are the same and consistent with the states sent to the commiter. | The receiver's agents then check if the outcomes they have received are the same and consistent with the states sent to the commiter. | ||
If the check passes, the receiver accepts the commitment. | If the check passes, the receiver accepts the commitment. | ||
==Notation== | ==Notation== | ||