Why is Quantum Key Distribution (QKD) resistant to eavesdropping attempts, unlike classical cryptographic key exchange mechanisms?

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QKD keys are encrypted using unbreakable one-time pads distributed via quantum channels.

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QKD uses highly entangled qubits that automatically regenerate when intercepted.

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QKD transmits information only through quantum tunneling, preventing interception at the physical layer.

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Any measurement of quantum states causes detectable disturbances due to the no-cloning theorem and collapse of superposition.

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