It's not just about security; it's about how democracy, in certain forms (i.e. canton type voting, certain diaspora communities, etc.) is implemented[0].

I'm not advocating for any anarchist ideals, and I believe cryptocurrency should be banned if for no other reason than to deal with cybercrime. However, I also recognize legitimate use cases for the underlying technology that are drown out by all these grifts.

https://en.wikipedia.org/wiki/Direct_democracy