With quantum computers breaking most if not all of our currently used public-key cryptography, offers a secure alternative. “Secure” as in information-theoretically secure, i.e., unbreakable.

For anybody interested in the current developments in this field, the research group I work at published an interesting article about their current work in the journal Quantum:

tu-darmstadt.de/universitaet/a

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Don't be scared of actually reading the paper “Scalable Networks for Simultaneous Pairwise Quantum Key Distribution via Entanglement-Based Time-Bin Coding”!

journals.aps.org/prxquantum/ab

It's Open Access (CC-BY 4.0) and if you got any questions, I'm happy to answer them. In case I don't know the answer, I'll ask the right people to get your questions answered :)

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