> For the complete documentation index, see [llms.txt](https://docs.ribbon.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ribbon.finance/ribbon-lend/introduction-to-ribbon-lend/fees.md).

# Fees

Fees are a portion of pool interest that is gained on each block. We charge the 5% of supply side interest for protocol revenue sent to the DAO.

For example, if borrow APY is 9%, 5% of that APY (0.45%) is protocol revenue.