> For the complete documentation index, see [llms.txt](https://lendefi.gitbook.io/lendefi-finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://lendefi.gitbook.io/lendefi-finance/faqs/what-is-lendefi.md).

# What is Lendefi?

[Lendefi Finance](https://lendefi.finance/) is an *undercollateralized* lending protocol built on the [Binance Smart Chain (BSC)](/lendefi-finance/faqs/what-is-the-binance-smart-chain-bsc.md).