![]() The issue with the above applications is that they rely on an authentication method called Trust on First Use (TOFU). To make matters worse, at any point during all conversations on messengers like this, your messages could be re-routed to a completely different person without you ever knowing.Īpps suffering from this trust issue include popular messengers like Signal, WhatsApp, Telegram, Facebook Messenger, and Threema. Namely, you must fully trust the servers of these applications to correctly direct your messages to the intended recipient, as well as to give you the information required to correctly encrypt messages. Most messengers that require a phone number, email address, or username to sign up have a trust problem. Obviously end-to-end encryption is a big part of the solution here, but it’s not a silver bullet for trust issues when it comes to private messengers. ![]() But the good guys - the encrypted messaging apps like Session - need to guarantee your messages are arriving without being exposed or tampered with without placing trust in the server(s) or service provider powering the application. ![]() Some companies and their apps can’t be trusted to keep your conversations private. With some messengers (they know who they are), people now realise that’s not the case. Whenever you send a message, you expect it to arrive at its intended destination without being re-routed to, read by, or responded to by anyone but the person (or people) you sent the message to. When we say TOFU, we’re talking about Trust On First Use. We’re here to talk about TOFU, and no, we don’t mean soy-based protein. ![]()
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