In a permissioned setting (assume 0 malicious actors, and only need to be crash fault tolerant rather than Byzantine fault tolerant), just use Raft or something.
As far as N-of-M threshold signatures goes, FROST isn't too bad to implement.
https://github.com/ongardie/dissertation
https://cfrg.github.io/draft-irtf-cfrg-frost/draft-irtf-cfrg-frost.html
Dug into some paperwork I haven't faced for a while to try to find something.
As I flicked through it all I just found myself saying "oh my god" over and over again — I've kept so much I don't need. I didn't find what I was looking for, but what I did find was that most of what's stored in bottom of my wardrobe is junk that can go.
And that somehow, without realising it, over the last few years I've become... lighter. It's not the junk that's changed, it's me.
@supernovae already done. The sum total of my "concern" was to ask this. Always possible I missed something.
As I said, more confused than bothered. It's like the folks back on the BirdSite who had to announce they were unfollowing people.
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