Looks like it's throwing an error as your site doesn't have HTTPS so Moneybutton doesn't see it as a secure connection.
Hey, It is working, not sure why the site is not showing https to you. It does to us, and we have received two tips now upon checking our balance - nothing changed since you attempted
Hey, yeah I do now see a valid certificate on your site! How long ago did you purchase your SSL cert? Your host could have simply just taken a little time to get things in order.