Syta, EwaTamas, IuliaVisher, DylanWolinsky, David IsaacFord, Bryan Alexander2023-03-272023-03-272023-03-272015-06-29https://infoscience.epfl.ch/handle/20.500.14299/196574Certificate Cothority: Towards Trustworthy Collective CAstext::conference output::conference paper not in proceedings