Not quite. At the moment it's virtual currency [0]. My point was that security holes increase as service increases in complexity. Especially when it's used for

Not quite. At the moment it's virtual currency [0]. My point was that security holes increase as service increases in complexity. Especially when it's used for everything and becomes a hard lesson in SPoF for users, like the money example. [0] http://www.facebook.com/credits/ http://www.facebook.com/credits/