Chris @ seedor_io on Nostr: I usually have a completely unrelated key as fallback in my own setups but in shared ...

I usually have a completely unrelated key as fallback in my own setups but in shared Multi-Sig setup it might make sense to decay from 3 of 3 to any 2 of 3 to any 1 of 3. But you can also expand in this case to a completely unrelated key.