Quantum cryptography network gets wireless link

The world’s first quantum encryption computer network has been expanded to include a wireless link that uses quantum communications codes.

Most modern cryptography rests upon the difficulty of solving very complex mathematical problems used to encrypt data. This makes it theoretically vulnerable to being hacked using dramatic mathematical or computing breakthroughs. By contrast, quantum cryptography near guarantees communications security, using quirks of quantum physics to thwart eavesdropping attempts.

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