nostr:npub108pe8a8nq8gtfv2r4qteeq62qal8tgdklx9lk6cukjker94zlksqdvz6zd

They're checked off on a list - so unless they are using someone else's identity it wouldn't be possible.... so the key issue is identity & here as previously noted the electoral fraud cases (other than postal voting which is a little higher) have been in the single figures - its a very small 'problem'