http://o54hon2e2vj6c7m3aqqu6uyece65by3vgoxxhlqlsvkmacw6a7m7kiad.onion/en/blog/2019/7/12/whats-app
Fifth, and perhaps smoothest (5): If you use the "block when disconnected" setting, you won’t leak any information at all, even if you accidentally quit the app. Make sure to turn on our “auto-connect on startup” feature. This will ensure that your online presence is secure, even before you log in to your computer. These are our five favourite features, but what about you?