# Monetizing with Co-Chains

When you run a co-chain, you’re not just building, you’re running a business. You set your own usage fees, in $MDR or your own token. Every time someone uses your chain, whether they’re running a task, calling a function, or accessing a service, you earn.

Want to sell something on your co-chain? Go ahead. That could be a license, a special feature, or even digital items. You don’t need your own token to do it, either. The system already supports a shared payment setup, so you get paid without dealing with token swaps or technical headaches.

You build something people want. They pay to use it. And you earn, simple as that.

You can even sell the co-chain itself, and that’s how entire ecosystems and new economies are born.
