lvxferre , 2 hours ago

That sounds infeasible in the real world. 90% of the population isn’t even going to understand a system like that, much less be willing to use it.

I’m tempted to say “good riddance of those muppets”, but that’s just me being mean.

On a more serious note: you don’t need to understand such a system to use it. All you need to know is that “if you want to join, you need someone who already joined guaranteeing you”.

In fact, it seems that Facebook started out with a system like this.

Plus you don’t need to use this system with lone individuals; you can use it with groups too, like the Fediseer does. As long as whoever is in charge of the group knows how to do it, the group gets access.