Isn't this a paid app?

You won't see previous messages, but that doesn't mean the group is dead lol

That is not a conspiracy that is common marketing, especially in music industry with their “leaks”

Second option

North of Ukraine*

Epic

Well, as far as I know, the army has its own methods of communication, of course, just as a civilian I do not know much about it.

Ukraine's army has already been using Signal for communication since 2022, and they were banned from using Telegram. Now this ban has simply been extended to officials. The signal is quite popular in Ukraine because of all this.

Signal

2nd

Also using mullvad dns everywhere.

Fedora KDE or Linux Mint is the way