2. FIAT CURRENCY.
Origin 1: From the pyramid depicted on the back of a $1 bill.
Origin 2: From the pyramidal economic and social structures that arose when Keynesian economic theories were adopted in shaping U$ monetary policy.
Master: Go to school young man. Graduate through the academic pyramid, and someday, you'll be allowed to make pyramid currency for yourself.
Slave: Fuck you, I'm gonna mine for bitcoin!