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With quantum computers breaking most if not all of our currently used public-key cryptography, #quantum #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 #PRX Quantum:
https://www.tu-darmstadt.de/universitaet/aktuelles_meldungen/einzelansicht_369408.en.jsp
@nico it's fun to see all the progress in this field! I have a lot of fun explaining quantum cryptography to our 9yo. ❤️
I worked with Gilles Brassard and Claude Crépeau 1999-2001 (in Montreal) and really enjoyed my quantum computing / cryptography days.
Don't be scared of actually reading the paper “Scalable Networks for Simultaneous Pairwise Quantum Key Distribution via Entanglement-Based Time-Bin Coding”!
https://journals.aps.org/prxquantum/abstract/10.1103/PRXQuantum.3.020341
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 :)