Martin Kepplinger:
That's a contradiction and it might end up in *not* selecting relays, whos operators care a lot about security.
If you care a lot about security you can use OfflineMasterKeys and keep your identity for a very long time and have no uptime problem.
I added: https://trac.torproject.org/projects/tor/wiki/doc/TorRelaySecurity#Vector1:O...