For the stable money supply, let's cap it at X-money per person. We want a money supply that grows to accommodate new users of the currency in order to prevent

For the stable money supply, let's cap it at X-money per person. We want a money supply that grows to accommodate new users of the currency in order to prevent deflation, and a supply that's capped and predictable to prevent inflation. Everything else is relative, and the marketplace determines the value.