digi.cash is a company that develops a mobile app offering electronic cash. It consists of small encrypted and digitally-signed computer files, each of them represents an electronic coin or banknote. Customers can store digi.cash on their phones, computers, or on external storage like USBs and send it to others by e-mail, facebook, skype, etc. The company also enables users to withdraw digi.cash from their bank account and deposit it back.