Since nobody answered all the questions I had I read up a bit on #GlazeProject and #Nightshade. So here’s a summary of what I would have liked people to explain / mention rather than just saying “use glaze to protect your art from AI’.
Both are developed by a group from the University of Chicago. They have published a paper about Glaze where they explain at depth how it was developed, and how they worked with artists to verify its efficiency:
https://glaze.cs.uchicago.edu/media.html