This is a very interesting and well written post, thanks for sharing. Even if you don't care about Threema it's a nice history lesson of how secure messengers e

This is a very interesting and well written post, thanks for sharing. Even if you don't care about Threema it's a nice history lesson of how secure messengers evolved and in general how it's easy to critisize something while assuming you know all the external constraints. > And then there was TextSecure, made by Twitter [...] Open Whisper Systems was founded in 2013, and until 2014 TextSecure had no support for group chats. (Today, the codebases of TextSecure and RedPhone have evolved into Signal.) I totally forgot about the Twitter - Signal connection.