Perhaps something like this work[1] could be useful to make it harder to shut down even if the list of nodes is public. [1] http://sns.cs.princeton.edu/project

Perhaps something like this work[1] could be useful to make it harder to shut down even if the list of nodes is public. [1] http://sns.cs.princeton.edu/projects/cor/ http://sns.cs.princeton.edu/projects/cor/