Guess it's short for "federated reddit"?

I see, thanks for the clarification. Sounds plausible.

Do you have a source for that? I'm intrigued. Their own blog post is only talking about a "logic error".

The article is behind a paywall, so here is the link to the study: https://www.nature.com/articles/s41591-024-03063-x

Sound promising at a first glance.