Joe has done us all a real service in putting together his three part (1, 2, 3) primer on Bitcoin (full PDF here).
I am curious, though, what the justification is for referring to Bitcoin as a “commodity” currency. Consider this from Izabella Kaminska at the FT Alphaville blog:
When the Pontifical Council for Justice and Peace needed an expert economist to assist in articulating the “Note” titled 



