Random basis selection is a technique used in quantum key distribution where the sender randomly chooses a basis for encoding quantum bits (qubits) before transmitting them to the receiver. This process enhances security by ensuring that any potential eavesdropper cannot predict the basis used for encoding, making it difficult to extract meaningful information from intercepted qubits. By incorporating randomness into the basis selection, the protocol maximizes the uncertainty for an eavesdropper, ensuring secure communication.
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