What are encryption keys?

They are used to encrypt and decrypt data securely, and need to be protected just as much as the data they are intended to protect.

What is the "Harvest Now, Decrypt Later" (HNDL)?

HNDL involves adversaries collecting and storing encrypted data today, intending to decrypt it in the future when quantum computing capabilities, capable of breaking current encryption, become available.

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What is Quantum Key Distribution?

This is a low bandwidth technique where a dedicated quantum link is provided between two points, and quantum mechanical effects are used to ensure that information transfer is secure and private.

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