It 'failed' as a currency (after centuries) because nation-states with central banks found it disadvantageous for their overall economies. That doesn't mean th

It 'failed' as a currency (after centuries) because nation-states with central banks found it disadvantageous for their overall economies. That doesn't mean the currency itself failed, just means it was abandoned by those seeking to implement monetary policy. It would be like saying P2P networking failed because vendors prefer the iTunes model.