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← ScienceWhich vulnerability arises when attempting complex quantum cryptography due to photon entanglement?
A)Eavesdropping reveals correlated quantum states✓
B)Scattering alters polarization consistently
C)Decoherence randomizes digital conversions
D)Dispersion degrades spectrum purity inevitably
💡 Explanation
Eavesdropping allows one to measure the state of one entangled photon, gaining information about its entangled pair via quantum entanglement, because both photons are correlated. Therefore, the security is compromised rather than polarization or spectrum changes which would occur from noise.
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