A multipartite device-independent QKD protocol generates shared keys directly from measurement settings certified by maximal violation of the Hardy paradox, achieving positive key rates and higher pairwise rates.
In this ideal case the inputs are perfectly correlated and therefore no errors arise
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Multipartite Hardy paradox unlocks device-independent key sharing
A multipartite device-independent QKD protocol generates shared keys directly from measurement settings certified by maximal violation of the Hardy paradox, achieving positive key rates and higher pairwise rates.