Unconditionally secure digital signatures implemented in an 8-user quantum network. - Yoann Pelet; Ittoop Vergheese Puthoor; Natarajan Venkatachalam; Sören Wengerowsky; Martin Loncaric; Sebastian Philipp Neumann; Bo Liu; Zeljko Samec; Mario Stipcevic; Rupert Ursin; Erika Andersson; John G. Rarity; et al. (CoRR, 2022)