# Overview

The first sovereign rollup for DeFi, built on Celestia using Rollkit, creating a hub for modular liquidity.

DeFund Finance is a sovereign rollup built on [Celestia](https://celestia.org/) using [Rollkit](https://rollkit.dev/), designed to create a rich DeFi ecosystem that serves as a hub for all modular liquidity. By leveraging the Celestia DA (Data Availability layer), DeFund Finance aims to provide a comprehensive suite of DeFi products and services tailored to the modular blockchain ecosystem.

### Key Features

1. Hybrid Orderbook/AMM Exchange: DeFund Finance offers a unique decentralized exchange that combines an orderbook and an automated market maker (AMM) model. This hybrid approach minimizes impermanent loss for liquidity providers while enabling efficient trading. When a user provides liquidity to a pool, an equal hedge is automatically taken using either a call or put option, effectively eliminating impermanent loss.
2. High Leverage Options: Users can access high-leverage options without the risk of liquidation, thanks to DeFund Finance's innovative options protocol. This allows for enhanced trading strategies and risk management.
3. Structured Product Creation: The platform's robust tech stack enables the seamless creation of various structured products, empowering developers to build sophisticated financial instruments within the DeFund ecosystem.
4. Modular Liquidity Hub: As the modular blockchain ecosystem grows, DeFund Finance is positioned to become the go-to destination for liquidity across different virtual machines (VMs). By concentrating liquidity from various modular projects and applications, DeFund Finance aims to capture value within the Celestia ecosystem.
5. Ethereum Compatibility: Users can onboard to DeFund Finance using MetaMask, ensuring a familiar and accessible user experience while tapping into the liquidity of the Ethereum ecosystem.

Built on Rollkit, DeFund Finance benefits from the sovereignty of an L1 blockchain, high throughput, sub-second block times, and efficient lazy block production. The platform's architecture is designed to provide a seamless and performant environment for DeFi applications.

With a focus on building a robust DeFi ecosystem tailored to the modular blockchain landscape, DeFund Finance aims to become the premier destination for cross-VM liquidity and innovative financial products in the Celestia ecosystem and beyond.


# Spot Exchange

Introducing the DeFund Finance Spot Exchange: Redefining Decentralized Trading

At the heart of DeFund Finance's product suite is our state-of-the-art Spot Exchange. This decentralized exchange is a game-changer in the DeFi space, combining the best aspects of an orderbook and an automated market maker (AMM) model into a hybrid approach.

The hybrid orderbook/AMM model offers unparalleled liquidity and price discovery for traders. The orderbook enables precise price execution through limit orders, while the AMM model ensures continuous liquidity and minimizes slippage. This combination creates an optimal trading environment that caters to the needs of both professional and novice traders.

One of the most groundbreaking features of the DeFund Finance Spot Exchange is its impermanent loss mitigation mechanism. Liquidity providers often face the risk of impermanent loss in traditional AMMs, but our exchange solves this issue by automatically hedging their exposure using call or put options. When a user provides liquidity to a pool, an equal hedge is taken, effectively minimizing the risk of impermanent loss. This innovative approach encourages more users to participate in liquidity provision, enhancing the overall liquidity and stability of the exchange.

The DeFund Finance Spot Exchange supports a wide array of assets, including tokens from various modular blockchain ecosystems. This multi-asset support opens up a world of opportunities for traders, allowing them to access a diverse range of trading pairs and tap into cross-chain liquidity.

In addition to standard market and limit orders, the Spot Exchange offers advanced order types such as stop-loss and take-profit orders. These tools provide traders with greater control over their positions and help them manage risk more effectively.

User experience is at the forefront of our design philosophy. The Spot Exchange boasts an intuitive interface, responsive design, and smooth navigation, ensuring that traders can easily execute trades, manage their positions, and monitor market trends.


# Hedged Liquidity Pools

Hedged Liquidity Pools: Revolutionizing Liquidity Provision with Impermanent Loss Protection

DeFund Finance is proud to introduce Hedged Liquidity Pools, an innovative solution designed to address one of the most significant challenges faced by liquidity providers in decentralized finance: impermanent loss. Our Hedged LPs work seamlessly with the DeFund Finance Spot Exchange, serving as the liquidity pools that power the exchange.

Impermanent loss occurs when the price of assets in a liquidity pool diverges from the price at which a liquidity provider initially deposited them. This divergence can lead to reduced returns or even losses for liquidity providers, despite earning trading fees. DeFund Finance's Hedged LPs solve this issue by utilizing a unique hedging mechanism that minimizes the risk of impermanent loss.

When a user provides liquidity to a pool, an equal hedge is automatically created using the paired Option Vault. This hedge effectively locks in the value of the deposited assets at the time of deposit, protecting liquidity providers from the adverse effects of price fluctuations. By mitigating impermanent loss, Hedged LPs encourage more users to participate in liquidity provision, thereby enhancing the overall liquidity and stability of the DeFund Finance Spot Exchange.

Hedged Liquidity Pools offer attractive yields for liquidity providers, combining the returns from trading fees with additional incentives. These incentives may include platform-specific rewards, such as DeFund Finance's native token, or other tokenized rewards from partner projects. As a result, liquidity providers can maximize their returns while minimizing their risk exposure.

Hedged Liquidity Pools are a key component of the DeFund Finance ecosystem, working in harmony with the Spot Exchange and Option Vaults to create a comprehensive and user-centric DeFi experience. By providing liquidity, users not only contribute to the growth and stability of the platform but also benefit from the unique advantages offered by our impermanent loss protection mechanism.


# Option Vaults

Empowering Users with Flexible Risk Management Tools through Dutch Auctions

DeFund Finance introduces Option Vaults, an effective product that brings the power of customizable risk management to the decentralized finance space. Our Option Vaults provide users with a flexible and efficient way to manage risk, generate yields, and capitalize on market opportunities through the use of Dutch auction options.

At the core of our Option Vaults are the Dutch auction options, which are minted directly from the vaults. These options allow users to take long or short positions on various underlying assets, such as TIA or USDC, without the risk of liquidation faced in perpetual futures markets.

The option minting process begins with users depositing collateral into the Option Vaults. The collateral can be in the form of stablecoins (such as USDC) or the underlying asset itself (such as TIA). Once the collateral is deposited, the Option Vault initiates a Dutch Auction, where the option's price starts high and decreases over time.

### **Dutch Auction Mechanism**

The Dutch Auction mechanism is designed to simplify the decision-making process for option buyers and lower the barrier to entry for retail investors. Option buyers do not know the exact number of option contracts available for purchase during the auction, as the final auction size is determined by the vault. As the auction progresses, the Bid Price (Option Price) decreases over time, and option buyers submit a Bid Size (Contract Size) for the options they wish to purchase at the current price. At the end of the auction, the latest bidding price that fills the last offer is used as the Clearing Price (Delivery Price). If the auction is not fully filled, options are delivered at the Lower Bound Premium. Bidders who placed higher bids receive a refund for the difference after the auction ends. The auction ends when either the allocated auction time expires, or all option contracts are sold.

### **Vault Life Cycle**

Each Option Vault goes through a life cycle consisting of multiple periods. During the Warmup Period, Vault Depositors (Option Sellers) can deposit or withdraw funds from the Warmup Balance before the auction begins. When the first auction starts, the vault enters the Lockup Period, and Vault Bidders (Option Buyers) can participate in Dutch Auctions. Depositors can unsubscribe from the Vault before the next Dutch Auction begins but not during. After the auction ends, the Option Premium (Depositor's Reward) is delivered from Vault Bidders to Vault Depositors, and depositors compound their rewards until their deposit is removed. On the option expiration date, the vault is settled based on the Settlement Price (underlying asset price at expiration). Profit and loss for Vault Depositors are calculated using the Strike Price and Settlement Price. The vault then proceeds to the next round, with remaining depositor funds auto-reinvested.

DeFund Finance's Option Vaults offer a user-friendly interface for both option sellers and buyers. The platform ensures the security of user funds through rigorous smart contract audits and robust security measures.


# Rollkit + Celestia

Powered by Rollkit and Celestia's Robust Architecture

DeFund Finance is built on a robust and scalable architecture that leverages the power of Rollkit and Celestia to create a high-performance, secure, and flexible platform for decentralized finance. Our architecture is designed to provide users with a seamless experience while ensuring the integrity and reliability of the DeFund Finance ecosystem.

### Rollkit + Celestia: The Foundation of DeFund Finance

At the core of DeFund Finance's architecture lies the combination of Rollkit and Celestia. This powerful duo enables us to create a sovereign rollup that benefits from the security and scalability of Celestia's data availability layer while maintaining the flexibility and customization offered by Rollkit.

Rollkit is a modular framework for building sovereign rollups, providing DeFund Finance with the tools and infrastructure needed to create a purpose-built blockchain tailored to our specific requirements. By leveraging Rollkit, we can implement custom transaction logic, define our own state transition functions, and optimize our blockchain for the unique demands of decentralized finance.

Celestia, on the other hand, serves as the data availability layer for DeFund Finance. It ensures that all transaction data is permanently stored and accessible, providing a strong foundation for the security and integrity of our platform. By relying on Celestia for data availability, DeFund Finance benefits from its decentralized and resilient network, reducing the risk of data loss or tampering.

The combination of Rollkit and Celestia allows DeFund Finance to achieve:

1. Scalability: With Rollkit's efficient transaction processing and Celestia's high-throughput data availability layer, DeFund Finance can handle a large volume of transactions and support the growth of our ecosystem.
2. Security: Celestia's decentralized data availability layer ensures that all transaction data is tamper-proof and permanently stored, providing a strong foundation for the security of our platform.
3. Customization: Rollkit's modular architecture allows DeFund Finance to tailor our blockchain to the specific needs of decentralized finance, enabling us to implement custom features and optimize performance.
4. Interoperability: By building on Celestia, DeFund Finance can easily integrate with other blockchains and decentralized applications that also rely on Celestia for data availability, fostering a more connected and interoperable ecosystem.
5. Cost-efficiency: Rollkit's sovereign rollup approach eliminates the need for DeFund Finance to pay high gas fees on a parent chain, reducing costs for users and enabling more efficient use of resources.


# Asset Abstraction

Asset Abstraction through Calypso and MetaMask

DeFund Finance takes asset interoperability and accessibility to the next level through the integration of two powerful components: Calypso and the Cosmos Metamask Snap. These integrations enable users to perform any action with any asset using one of the most widely used wallets.

### **Calypso: Any Token, Any Action**

Calypso is a groundbreaking protocol that enables seamless interoperability between different blockchain networks and assets. By integrating Calypso into the DeFund Finance ecosystem, we empower users to perform any action with any token, regardless of its native blockchain.

For example, if a user holds MATIC tokens on the Polygon network but wants to mint an option on DeFund Finance, Calypso makes it possible in just one click and one signature. The protocol handles all the necessary routing, bridging, and swapping operations behind the scenes, providing a seamless and intuitive user experience.

With Calypso, DeFund Finance breaks down the barriers between different blockchain networks, enabling users to leverage their assets across multiple ecosystems without the need for complex manual operations. This integration greatly enhances the flexibility and liquidity of the DeFund Finance platform, allowing users to access a wide range of financial products and services with their preferred assets.

You can check out Calypso over at <https://www.getcalypso.xyz/>

### Cosmos MetaMask Snap

DeFund Finance further enhances accessibility by integrating the Cosmos MetaMask Snap. This powerful integration brings Cosmos signing support directly into the MetaMask wallet, enabling over 30 million monthly active users to access DeFund Finance without the need for a separate wallet.

The Cosmos MetaMask Snap eliminates the friction of managing multiple wallets and navigating different user interfaces. By leveraging the familiarity and ease of use of MetaMask, DeFund Finance makes it simple for users to interact with our platform and access our comprehensive suite of financial products and services.

With the Cosmos Metamask Snap, users can seamlessly connect to the DeFund Finance ecosystem, sign transactions, and manage their assets directly from their Metamask wallet. This integration greatly reduces the barriers to entry for users, making DeFund Finance accessible to a vast and growing user base.

The combination of Calypso and the Cosmos Metamask Snap sets DeFund Finance apart as a platform that prioritizes asset interoperability, accessibility, and user experience. By enabling any token to be used for any action and providing a seamless connection through the most widely used wallet, DeFund Finance is well-positioned to attract a diverse range of users and foster the growth of our ecosystem.

Asset abstraction, achieved through the integration of Calypso and the Cosmos Metamask Snap, is a key pillar of DeFund Finance's architecture. It allows us to create a more inclusive, user-friendly, and efficient platform that caters to the needs of both experienced DeFi users and newcomers alike.

You can check out the Cosmos extension for MetaMask at <https://metamask.mysticlabs.xyz/>


# Roadmap

This is our most up-to-date roadmap, and lists how we plan to become the hub for all liquidity cross-vm

#### Current + Planned Roadmap

* Structured Products - *current*
* Options + Option Vaults - *next to launch*
* Hybrid DEX - *next to launch*
* Revamped tokenomics (distribution + utility/function) - *coming soon*
* Non-standard/Alternative Asset options - *underway*
* Hedged Liquidity Pools - *underway*
* Auto-trade/super-trade functionality - *planned*
* Cross-VM outposts - *planned*

<br>


# GitHub

DeFund Official GitHub

<https://github.com/defund-labs>


# Socials

Join the DeFund community for updates and news

X: <https://x.com/defund_finance>

Discord: <https://discord.gg/qZN7bKGpwN>

Official TG Group: (coming soon, there is no official group yet and only will be listed here)