Like everything else in Signal, your profile is end-to-end encrypted. The Signal service does not have any knowledge of the name you have chosen or the image you have set.
What is my Signal Profile?
Your Signal Profile is a name and picture that will be shown alongside your existing phone number when communicating with other users.
How do I edit my profile?
- In Signal, tap your profile avatar to view settings.
- Tap your avatar, name, or Signal number.
- Tap the avatar or image to edit.
- Tap the name fields to edit. First names are required. Feel free to choose a nickname, a single character, or an emoji.
- Tap Save.
How can I change how I see someone’s name?
Read more technical information in the blog post.