i've just seen a comment in a post, in this very community, saying people trust signal because of missinformation (from what i could undertand).
if this is true, then i have a few questions:
-what menssaging app should i use for secure communications? i need an app that balances simplicity and security.
-how to explain it to my friends who use signal because i recomended?
-what this means for other apps in general?
In regards to Signal, this is largely not true. Sealed sender has been signal's metadata hiding protection for like 6 years or something. The only information signal has is your phone number, your account creation time, and the last time you contacted their servers.
They also have a server implementation on github, so it seems to be open source to me. (I could be missing something though)
You are right though, that it uses centralized servers and requires a phone number, which are sticking points for a lot of people.