To follow up on the small Twitter rant that got people to explain GPG and OTR to me for a whole day, I'll explain the ideas behind this.

In 2001, Zooko Wilcox-O'Hearn conjectured that a key value system, in the way the keys address those values, must make a compromise between three properties. Those properties are:

Since WhatsApp announced its acquisition, a lot of people started to switch to alternatives, trying to escape from Facebook. Some of them then discovered my article about Telegram, and a common answer was "hey, at least, it is better than WhatsApp, because it is open source, faster and it has encryption".