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

# FAQ

<details>

<summary>Is the codebase forked or built from scratch?</summary>

At Extrafi XLend, our guiding principle is 'safety and user experience first'. To achieve this, we use a battle-tested codebase instead of building from scratch, allowing us to focus on accessibility and composability.&#x20;

1. The core liquidity protocol is a fork of Aave V3.0, with essential fixes and enhancements applied for added robustness.
2. Our multi-account functionality is powered by the leading Account Abstraction (AA) solution - Coinbase Smart Wallet.&#x20;

We’ve also developed peripheral contracts and overall UX enhancements to ensure a smooth, seamless experience across the product.

</details>

<details>

<summary>is the product audited?</summary>

Yes, while the original codebase has undergone multiple audits and verifications, we conduct a new audit before its launch. Check the report [here](https://docs.extrafi.io/extrafi-xlend/security/audits-and-security).

</details>

<details>

<summary>What is the difference between XLend and Extrafi LYF (Leveraged Yield Farming)</summary>

XLend is a liquidity protocol enabling users to borrow and lend.&#x20;

Also, smart account integration paves the way for XLend to evolve into an open, composable liquidity protocol designed to enhance on-chain capital efficiency with intuitive inputs. Even in this early version, users can benefit from features like liquidation-free borrowing and one-click leverage within the protocol.\
\
Extrafi LYF focuses on its current use case, with a vision to enable flexible liquidity provision.

</details>


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