Yes, &#x27;smart&#x27; contracts are great until they actually have to interact with the real world, and suddenly they lose their automatic, unstoppable, trustless features.<p>So far it seems that the only true reliable ethereum use cases have been ponzi schemes and dice games, because these can be implemented completely in the system.<p>Ethereum&#x27;s much-promoted gambling app, &#x27;Augur&#x27;, gets very messy when it comes to settling market winners. I wonder how they will cope with fixing wrongly-settled events, and who will foot the bill?