You can sell Zucoins to any person or business willing to accept Zucoins for fiat or other goods & services, with no fee. Both parties will have to have a Zucoins wallet and then the Zucoins are sent from wallet to another wallet in real-time.
In the future, businesses will be able to use integration tools that will potentially provide exclusive discounts, deals or benefits to those paying with Zucoins.
Zucoins could be used as a:
A method of payment for goods and services (like other currencies)
A way to store value/wealth (as a commodity I.E., gold)
A medium for the exchange of currencies