“It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest.”
— Adam Smith

The Rise of Civilization

Currency is an intermediary of trade that allows us to exchange without restriction. A currency system helps us reduce the ambiguity and friction of carrying out commerce. A unified, single currency system spanning the globe is the next step for us to further reduce inefficiencies and increase commerce.

Interest is the reward earned on currency or capital that is loaned out. This lending of money allows greater utility and value creation for everyone. Without interest as reward for engaging in the risky endeavor of lending out capital, there would be little to no incentive to lend capital.

The financial system helps the movement of capital to create more capital. It rewards those who lend out capital with interest and provides those seeking capital with a means to obtain it at a reasonable rate. Without the financial system in place our modern civilization would not have been possible.