“While it would not have protected all of the data seized by the FBI in this case, end-to-end encryption of direct messages is something that has been regrettably absent from Mastodon for years, and would at least have protected the most private content likely to have been on the Kolektiva server,”
End to end encryption of EVERYTHING...
Fifty years ago in the military we used link encryption for every bit of information regardless of its importance. We even sent constant encrypted space holder streams of coded nothing so that an increase of traffic would not be noticed.