This document is based on a Mastodon thread where I've suggested a concept of "identity servers" that'd contain the neccessary data to use a single profile with many Fediverse services at the same time, eliminating the need to create multiple accounts with separate data if you wish to use, for example, Mastodon for microblogging and a self-hosted platform for an actual personal blog. Right now that'd require the person to register on both servers: say, @lina@mastodon.social
and @lina@blog.lina.moe
, and if a user wants to follow you for both your blog and your shitposts they have to do that for both accounts. Also this is probably one of the reasons ActivityPub/ActivityStreams has a definition for a Move
activity that basically tells your current followers to replace this entry with another one, that has a different name and/or host.
This, in its or