they both seem to just be the same link to the comment, and both have the tooltip “link”
If you’re viewing a post that originated on a different server (federated post), the chain icon opens the post through the server you’re on, and the colorful fediverse icon opens the post on the actual site it started on.
Try opening a post from your “All” feed and compare the links.
Support / questions about Lemmy.
Matrix Space: #lemmy-space