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Why does Lemmy use "@" instead of ":" like Matrix does?
(sh.itjust.works)
A community to talk about the Fediverse and all it's related services using ActivityPub (Mastodon, Lemmy, KBin, etc).
If you wanted to get help with moderating your own community then head over to !moderators@lemmy.world!
Learn more at these websites: Join The Fediverse Wiki, Fediverse.info, Wikipedia Page, The Federation Info (Stats), FediDB (Stats), Sub Rehab (Reddit Migration)
Better question is why don't both use a dot like URLs do because people have had 30 years of getting used to that:
username.lemmy.world
Plus this wouldn't get confused with an email address.
That's technically a subdomain and the same reason email went with @
They aren't URLs they are URI schemas. A URL is a segment of the URI schema.