> carving IOUs in stone I would consider Rai Stones as a good analagy, given they also stored suffering in a trustworthy way: https://en.wikipedia.org/wiki/Rai

> carving IOUs in stone I would consider Rai Stones as a good analagy, given they also stored suffering in a trustworthy way: https://en.wikipedia.org/wiki/Rai_stones https://en.wikipedia.org/wiki/Rai_stones. When I say "suffering" I'm referring to the amount of causality associated with a given amount of value stored, not the human emotion attached to it.