Absolutely! It might be wise to remain anonymous if you're using Fanvue to create specific content (e.g. adult content). You can use a stage name if you wish.
Your public profile can be completely anonymous. However, to start earning money, you'll need to verify your real identity. This information is GDPR-protected and won't be shared with anyone.
As a user/fan, you can also stay completely anonymous. Creators only see your handle, username and profile picture.