The problem with using money as a measure of capital is that as a scarce resource, it is horded. It is horded because it represents non-specific goods. Precious metals and gems can also be horded because their value is based on the relative scarcity of money. For instance, if you were dying of thirst what would you rather have, gold or water? So the monetary value of goods is completely arbitrary.
I would use "cashless capital" to describe a progressive form of capitalism. "Pure Capitalism" is the same aggregation of resources used for producing useful goods for where they are needed. As efficiency increases, scarcity decreases. Since the value of resources is based on creating usefulness, then abundance increases. This is how pure capitalism, based on cashless capital resists hording, greed, and bureaucratic corruption.