Tor Browser message: " This website (unseen.is) attempted to access image data on a canvas. Since canvas image data can be used to discover information about your computer, blank image data was returned this time."
To disable using canvas for Tor browser:
1. Log into your unseen account
2. Hover over the gears/settings button
3. Click on "Account Settings"
4. Scroll down to see "Setting for Tor Browser"
5. Check mark the box "Disable using canvas for Tor browser"
6. Click "Update Settings" to save all changes
The message will no longer pop up.