>Will any of this work under wartime conditions when people are moving around, using random webcams and mobile devices?
Just follow the procedure to establish trust cryptographically, then arrange the meeting by any channel you like.
And in some parts of Ukraine, there is effectively no longer any government at all.
ah, you figured it out!
It's interesting that they ignored that whoever pretended to be Klitschko did not speak in German with them.
But I guess this is how it works, when you already trust the other person, you ignore this stuff and invent plausible explanations.