ECB and Fed unite on global currency standard

When the Federal Reserve and the European Central Bank (ECB) collaborate on a project – in this case a set of standards for banknote-sorting machines – there is a much better chance the final product will become the de facto global standard.

Since the beginning of 2015, the two central banks have been working together on redesigning a set of standards called the Common Detector Interface (CDI). The new set of standards, appropriately named CDI2, are designed so that any given sensor can be