Going to need a _huge_ source on that claim. Investing customer funds is the primary way banks make their money, and has been that way essentially since the inv

Going to need a _huge_ source on that claim. Investing customer funds is the primary way banks make their money, and has been that way essentially since the invention of banking. From https://en.wikipedia.org/wiki/Fractional-reserve_banking https://en.wikipedia.org/wiki/Fractional-reserve_banking: "Fractional-reserve banking predates the existence of governmental monetary authorities"