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

# BACK FINANCE

Introduction

![BACK](https://586441834-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MVUR8IbdmrBuFd8qJDS%2Fsync%2F2e42d449950c5a2608486fab3d41216b65fc6fb0.png?generation=1617936366390868\&alt=media)

BACK is a decentralized smart contract for leveraged borrowing and lending released by [BACK.FINANCE](https://back.finance). It enables [users](/back-finance/en/xie-yi/user.md#Users) to maximize their returns by providing up to 3x leverage.

Users who prefer more stable returns can lend their assets to yield farmers and earn interests.

This innovative product aims to answer to the Defi needs from users of all types while providing the best-in-class user experience.

{% hint style="info" %}
Users who lend, borrow and deposit cryptos in BACK will be rewarded with BACK tokens.
{% endhint %}