If you’re debating signal vs telegram privacy , you’re really asking a deeper question: which app leaks the least metadata and gives you the fewest ways to screw up? Both can deliver secure chats in the right conditions, but their defaults, threat models, and “foot-guns” are very different. 1) Threat model first: content is only half the story Most privacy discussions fixate on message encryption. That matters, but the practical risk is often metadata : who you talk to, when, how often, from where, and on what device. A quick way to frame it: If you’re worried about a sophisticated adversary (targeted harassment, stalking, workplace surveillance, or state-level pressure), you want an app that minimizes data by design. If you’re mostly avoiding casual snooping (nosy contacts, shared devices, leaked screenshots), your habits matter as much as the app. Also: your network layer still matters. Even with perfect end-to-end encryption, your ISP and local network can see you’re connecting to Signal or Telegram.…