@batalanto ive contacted the author of that article, joepie (hes active in our community) to talk with him about this, ill be looking into this.
Meanwhile though: you can still donate through crypto currency to avoid cloudflare while we are figuiring this out, as we exchange those for normal money and then forward it to opencollective, so we will be in between. You may be able to do this via librapay as well, but i would have to check whether librapay is using cloudflare aswell or not.