Check out a blog post we wrote some time ago about fraud prevention (we're both using paypal and stripe). http://www.binpress.com/blog/2012/07/31/fighting-onli

Check out a blog post we wrote some time ago about fraud prevention (we're both using paypal and stripe). http://www.binpress.com/blog/2012/07/31/fighting-online-fraud-pitfalls-and-solutions/ http://www.binpress.com/blog/2012/07/31/fighting-online-frau... Might be of interest to you.