There was a bug in the contract. The developer&#x27;s post-mortem [1] is interesting if you want to see what Ethereum dev is like.<p>1 <a href="http:&#x2F;&#x2F;www.kingoftheether.com&#x2F;postmortem.html" rel="nofollow">http:&#x2F;&#x2F;www.kingoftheether.com&#x2F;postmortem.html</a>