[...]This article explores in several ways the structure andvocabulary of emerging payments system risks and theirmitigation. We begin by recounting several incidents of fraudand losses associated with emerging payment methods. Wethen describe an economic framework for understanding riskcontrol...

"Market imperfections affect virtually every transaction in some way, generating costs that interfere with trades that rational individuals make, or would make, in the absence of the imperfection. Understanding these costs gives us insight regarding the total costs of transactions, where to...