QuNu Labs’s solution uses two channels– one to transmit encrypted data and the second one to transmit the secure private key that’s used to decrypt the data. The data is shared over a traditional network while the secure keys are shared through a quantum channel using photons (light particles).
This way, even if the data line is tapped, the attacker won’t be able to decrypt the data without the encryption key. The key is nearly impossible to tap because intercepting light particles on the quantum channel will change its properties and make it useless for the attacker. The system can also detect such interference and alert users.
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