Applications like signal are encrypted at rest on your device as well - https://security.stackexchange.com/questions/277330/how-does-signal-protect-data-on-the-device-from-unauthorized-access
Applications like signal are encrypted at rest on your device as well - https://security.stackexchange.com/questions/277330/how-does-signal-protect-data-on-the-device-from-unauthorized-access