In game
Other players who are not on your friend’s list in the game can only see very limited information about you. Players can see the following information at a Habitat if you release your Dot to the wild there:
Your Keeper name
Your Dot's name
Your Dot's Archetype
A Dot only stays at a Habitat for 5 days after release.
Public
If you post in the Peridot community forum, your posts and keeper name will be visible to others.