I immediately read Nokia but that’s probably because I’m a designer and I’m more accustomed too negative space logos. And therein lies the problem, that if you need prior knowledge to read it then it’s not working as intended. It’s the same issue that Kia faced with their simplified logo (people googled “KN”) and a more recent example is Kate Bush’s new album “Fish People” written in ascii. People thought it was a code to crack when it was perfectly readable for a trained eye.

American or European ones?

You could perhaps implement a type of shadow banning. Flag suspicious behavior (like connecting by VPN/proxy or contradicting opinions) and then display their votes client-side as if it was registered but won’t be saved.

Love the concept but how do you prevent trolling for hot topics like “should Ukraine sacrifice territory”? Some sort of two factor authentication?