I hear you, but certainly can't interpret the linked article in that way. It explicitly mentions the ability to track all transactions as an (if not the) desire

I hear you, but certainly can't interpret the linked article in that way. It explicitly mentions the ability to track all transactions as an (if not the) desired effect. About extended meanings of the term "cash", any serious prepper will have some amount of cheap spirits and maybe cigarettes stockpiled. In the end, these are a kind of consumable emergency cash. http://en.wikipedia.org/wiki/Commodity_money http://en.wikipedia.org/wiki/Commodity_money