# Scroll: what it is and why use it? **`What is Scroll?`** **Scroll** is a Layer 2 (L2) scaling solution for Ethereum that aims to enhance the blockchain’s throughput and efficiency while maintaining security and decentralization. It is built using zk-rollups (zero-knowledge rollups), a cryptographic technology that bundles multiple transactions together and processes them off-chain, while only submitting a single proof of validity to Ethereum. This reduces transaction costs and increases scalability without sacrificing security. **`What are the main advantages of using Scroll?`** * **Low Transaction Costs**: **Scroll** significantly reduces gas fees for users by processing transactions off-chain. This makes it more affordable to interact with decentralized applications (dApps), especially in periods of high network congestion. * **Scalability**: By leveraging zk-rollups, **Scroll** can handle many more transactions per second compared to Ethereum’s base layer. This is particularly useful for dApps that require high throughput like DeFi protocols, gaming and NFTs. * **Ethereum-Level Security**: Despite operating off-chain, **Scroll** inherits the security guarantees of Ethereum. zk-rollups ensure that any off-chain activity is valid, making it a safe option for users who value security. * **Decentralization-Friendly**: **Scroll** prioritizes decentralization, aligning closely with Ethereum’s philosophy. Unlike some scaling solutions that rely heavily on centralized components, Scroll uses zk-proofs to maintain decentralization without compromising on performance. * **Developer-Friendly**: **Scroll** is compatible with existing Ethereum tooling, meaning developers can easily port their dApps from Ethereum to **Scroll** without making major changes. This ease of integration makes **Scroll** an attractive platform for developers. * **Eco-Friendly**: By reducing the load on Ethereum’s *mainnet,* **Scroll** helps lower the overall energy consumption of the network, making it a more environmentally friendly option compared to traditional Layer 1 solutions. **`Why is Quill on Scroll?`** **Quill** allows users to borrow a s*tablecoin* (**$USDQ)** against collaterals (such as wETH, weETH, wstETH and SCR) at a set interest, relying on multiple on-chain interactions (collateral deposits, redemptions, liquidations). Scroll's zk-rollups bundle many transactions into one, dramatically reducing gas fees compared to Ethereum Layer 1. This makes user interactions, especially for borrowing and liquidation operations, much more affordable. * **Lower Transaction Costs**: zk-rollups reduce gas fees, making interactions with protocols like **Quill** more affordable, especially for actions like collateral deposits and redemptions. * **Improved Scalability**: **Quill** benefits from high throughput due to Scroll’s zk-rollup scalability. Scroll handles more transactions per second, allowing these protocols to serve a growing number of users without network slowdowns. This is crucial for DeFi applications, where delays can lead to liquidation risks or missed arbitrage opportunities. * **Ethereum-Level Security**: Scroll inherits the security of Ethereum through zk-proofs. **Quill** relies on robust security to prevent system exploits. By being on Scroll, **Quill** can operate with the same level of confidence as on Ethereum while gaining scalability benefits. * **Decentralization and Trustlessness**: **Quill** is designed to be fully decentralized, Scroll aligns well with this philosophy by being an Ethereum Layer 2 that prioritizes decentralization and minimizes the reliance on centralized operators. This allows **Quill** to maintain trustless operations, which is important for protocols aiming to remove human control from the system. * **Enhanced User Experience**: With low costs and faster transactions, **Quill'**s users can enjoy a smoother experience. Liquidations, collateral adjustments and other critical DeFi interactions become seamless on Scroll, reducing friction for both borrowers and liquidators. #### **`How do I bridge to Scroll?`** Head to and follow their very intuitive UI for an easy way to **bridge** assets from Ethereum to Scroll. If you need any more information on how to bridge to Scroll, please follow this [official FAQ](https://scroll.io/bridge/faq). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.quill.finance/faq/scroll-what-it-is-and-why-use-it.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.