I understand that your application is something like a software wallet for storing coins. Which operating systems will support your application?
On the hardware side, deploying BOX requires at least 3(2n+1) cloud servers. Each cloud server acts as a node and builds a private chain. An Apple MACBOOK as a signing machine, because IOS is more secured than Windows. At least 2 iPhones are needed to load the private key APP & employee APP.