See my sister comment: https://news.ycombinator.com/item?id=31241852 https://news.ycombinator.com/item?id=31241852 you can bet there, using free paper money and

See my sister comment: https://news.ycombinator.com/item?id=31241852 https://news.ycombinator.com/item?id=31241852 you can bet there, using free paper money and if you win donate (via conversion) to charity which is cool.