Author here. I've tried to keep the article as apolitical as possible, while giving some context to provide the setting. Anyway, I'm very interested in knowing if the used crypto is sound or not, and stirring a discussion around possible alternative approaches. Ask me anything if you want to know further!
Out of curiosity, where on the actual website is the crypto code? (It's way harder to follow than your simplified version :) ) Also how are they distributing the initial hash - physical signs? I figure the easiest threat from Spain is to get people to show up to the wrong polling stations, which don't have them on the voter rolls, and then cast doubts on the validity of a referendum that has a huge number of provisio…
The hash was distributed in URL form through twitter by both the Catalan president [2] and the catalan economy minister (who is the 2nd in command actually) [3].
[1] https://ipfs.io/ipns/QmZxWEBJBVkGDGaKdYPQUXX4KC5TCWbvuR4iYZr...