Engineers create first ever air-to-ground quantum network

Quantum cryptography is held to be one of the most secure methods of encrypting data. This is because if a quantum-encrypted data is intercepted to be read or altered, it changes and the interception is immediately detectable. Scientists have long been trying to apply quantum-encryption in the real world. And now, a German team of engineers has been able to create the first-ever air-to-ground quantum network over which data has been sent.

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