Energy Economy: While the esteyn is not a pure energy currency (it remains, in our terms, a fiat currency using indices to carefully balance the money supply against the productivity of the economy), in the modern era, given the ready availability of nanofacs, energy forms a major part of these indices (the major indices used are the prices of energy, computational cycles, volume, and standardized feedstock mass; the former two usually predominate).
This is a companion discussion topic for the original entry at https://eldraeverse.com/2013/04/08/trope-a-day-energy-economy