So don't go to Krugman for technology insights. Go to him for economic insights. Consider the recent discussion about "positive vs. normative economics". It's a

So don't go to Krugman for technology insights. Go to him for economic insights. Consider the recent discussion about "positive vs. normative economics". It's a similar point here. There are Bitcoinistas who would like governments to abolish their own currencies and make Bitcoin the currency of the land, or perhaps adopt a Bitcoin-standard akin to a gold standard. Those are economic policy proposals. Are they good ideas? It makes sense to listen to what economists have to say when you are trying to figure out the answer.