“When you use Signal, your data is stored in encrypted form on your devices. The only information that is stored on the Signal servers for each account is the phone number you registered with, the date and time you joined the service, and the date you last logged on.”
I gave up on Element. It was using more battery than any other app and I didn’t know anyone else using it. Now I’m just using Session or Telegram for anonymous messaging. Yeah, I know Telegram is not ideal.