Nothing4You

I think most (especially mobile) clients simply don’t have this option and will always copy/share the “fedi link” - the url where the content is canonically hosted. all other URLs are simply cached representations of the original content.

delegating authentication to another service.

one of the more commonly known options would be sign in with google, but this is also quite useful for providers hosting multiple services. a provider could host a service that handles authentication and then you only have to login once and will automatically get logged in for their lemmy, xmpp, wiki and other services they might be providing.

you may want to redact the names as this spam is framing another person pretending to be originating from them

it contains turtle and crazy

The ban appears to be caused by your post linking to a known blogspam site that has frequently been spammed to Lemmy in the past.