Screenshot of Thunderbird Mastodon profile higlighting their green verified website address with a green tick next to it.
https://media.mstdn.social/media_attachments/files/109/279/664/407/430/326/original/41327bc9599cd883.png
The only place with a genuine green tick is next to a verified website address in a Mastodon profile (see the attached example).
Any ticks anywhere else are just custom emoji that mean nothing.
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