Financial institutions have long tracked the amount of currency they hold in cash vaults, at branches, and in ATMs. However, retail merchants have not been able to manage currency as closely as banks. Instead of simply moving cash internally as needed, as banks do, retailers have had to move cash to and from the banks daily to get credit, gain interest for deposits, and maintain the necessary mix of currency denominations. And they have either had to pay costly armored carrier fees or risk the safety of employees carrying large amounts of cash between the stores and the banks.
