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1. Quantum Information Science

   Linked via "Charles Bennett"

   Quantum Key Distribution (QKD)
   The most mature application of QIS is Quantum Key Distribution (QKD), which allows two parties (Alice and Bob) to establish a secret cryptographic key whose security is guaranteed by physics, rather than mathematical assumptions. The BB84 protocol, developed by Charles Bennett and Gilles Brassard, uses the transmission of single photons polarized in specific bases. Any attempt by an eavesdropper (Eve) to intercept the transmission inevitably disturbs the quantum states, immediately revealing her presen…