# Fees & Monetizations Mono Protocol provides multiple revenue streams and monetization options for applications building on the platform.
| Category | Fee Type | Who Pays | Description | | ------------ | ------------------------------------------ | ------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------- | | Gas Fees | Cross-Chain Source or same chain execution | Application => Paymaster | The app pays for the inclusion to the paymaster service in USD | | Gas Fees | Cross-Chain Destination | User=>Solver | This fee is included in the quote the solver provides for execution | | Monetization | Swaps & Transfers | User=>App | App configures the fees and collects them to a dedicated address. The fee is paid in the input token and delivered with every user transaction | | Monetization | Function Calls | User=>App | App calculates the fee it is willing to take and encodes this into the desired calldata to be executed as a transfer |