Thousands of social currencies are emerging as people lose confidence in the ability of the dollar to store value. At the end of the day, a currency is a social agreement. People need to agree that whatever they use for the storage and exchange of value accurately represents their productivity – otherwise they will not work for it.
Of course this is much easier said than done. Alternate currency advocates continue to stumble across substantial structural issue is defining their currency; It must be scarce, it must be difficult to forge, debase, or counterfeit and it must be accepted by everyone.
The only thing that fits all of those criteria is ‘Time’