# Fee Model

#### What are the fees charged by the Flow protocol?

Solido Flow does not charge any protocol fees for staking, unstaking, or withdrawing.\
Users can interact with the protocol freely.

**How does Solido earn revenue if it doesn’t charge users?**

Solido earns revenue through a commission-sharing model with validators.\
When your SUPRA is staked through Flow, it’s delegated to a network of validators. These validators share a portion of the rewards they earn back with the protocol.

This means:

* Users receive their full staking rewards, the same as if they had staked directly with a Starkey.
* There are no additional charges passed on to users.
* Solido remains sustainable without charging you anything extra.\ <br>

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