# Interest Protocol

By [Untitled](https://paragraph.com/@0xf142b3a6c728e506a99bd30e225304c58eaf9c4d) · 2024-08-11

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**Su: A Revolutionary Money Protocol for the Sui Network**

**Introduction:** Su is an innovative financial protocol developed for the Sui Network. It introduces a novel approach to stablecoins by decomposing the Sui coin into two distinct asset classes: Beta Coins and Leveraged Sui. This design aims to address key issues in stablecoin functionality, including volatility, scalability, and decentralization.

**Core Components:**

1.  **Beta Coins:**
    
    *   **Fractional Sui:** This coin has a beta of 0.1, meaning it is designed to track only 10% of Sui's volatility. It functions as a floating stablecoin, providing a less volatile investment compared to the underlying asset.
        
    *   **Sui Dollar:** This is a stablecoin with a beta of 1, designed to maintain a stable value and provide reliability for transactions and DeFi activities.
        
2.  **Leveraged Sui:**
    
    *   This asset absorbs the remaining volatility that Beta Coins do not capture. By taking on this volatility, Leveraged Sui allows Beta Coins to maintain their stability while offering a perpetual contract without the risks associated with liquidations or funding rates.
        

**Unique Features and Advantages:**

*   **Capital Efficiency:** Su's protocol is designed to be capital-efficient. Unlike traditional models that rely on over-collateralization to ensure the system's solvency, Su transfers volatility from risk-averse users to those willing to take on more risk. This approach avoids the need for excessive collateral and supports a more dynamic and scalable financial system.
    
*   **Scalability and Decentralization:** Su addresses the stablecoin trilemma by balancing scalability, decentralization, and stability. Traditional stablecoins often sacrifice one of these aspects for the others. Su's design aims to offer a scalable and decentralized stablecoin solution while maintaining stability, thus unlocking new opportunities for DeFi markets.
    

**Stablecoin Trilemma and Solutions:**

*   **Types of Stablecoins:**
    
    1.  **Cash Collateralized:** These are fiat-backed tokens like USDT and USDC. They are highly stable but rely on centralized collateral.
        
    2.  **Asset-backed:** These stablecoins are backed by tangible assets such as precious metals.
        
    3.  **Crypto Over-collateralized:** Examples include MakerDAO’s DAI, which uses over-collateralized crypto reserves to maintain value.
        
    4.  **Algorithmic:** These stablecoins use mechanisms like minting and burning to stabilize their value.
        
*   **Challenges:**
    
    *   Centralized solutions like USDT and USDC, while efficient, rely on external collateral and redemption mechanisms, posing risks in times of crisis.
        
    *   Over-collateralized systems, such as CDPs, are capital inefficient, requiring users to maintain high collateral ratios.
        
    *   Algorithmic stablecoins have struggled with stability and resilience, as seen in past failures.
        

**Security Measures:** Su prioritizes security with multiple layers of protection, including:

*   Comprehensive unit test coverage.
    
*   Formal verification tools.
    
*   Security audits before deployment.
    
*   Bug bounties and secure oracles.
    
*   Upgradeable contracts for post-deployment fixes.
    
*   Multi-signature wallets and time locks to protect against future changes.
    

**Open Source Commitment:** Su adheres to open-source principles, promoting transparency and trust. The open-source nature ensures that vulnerabilities can be quickly identified and addressed, fostering a collaborative development environment.

**Interest Protocol CLAMM:** The CLAMM (Concentrated Liquidity Automated Market Maker) is a decentralized exchange with several advanced features:

*   **Stable Curve:** A bonding curve designed for correlated assets that combines constant product and constant sum invariants to provide a stable trading environment.
    
*   **Volatile Curve:** Concentrates liquidity around the price of assets using internal oracles and exponential moving averages.
    
*   **Customizable Hooks:** Allows pool deployers to implement custom computations for various actions such as swaps and liquidity changes.
    
*   **Public Good:** Swap fees are controlled by the pool deployer, not Interest Protocol, making it a venue for projects to benefit from their own revenue.
    
*   **Passive Liquidity Management:** CLAMM automatically manages liquidity, reducing the need for active involvement from liquidity providers.
    
*   **One-Sided Liquidity:** Liquidity providers can contribute only one type of coin, simplifying the process.
    
*   **Multi-Coin Pools:** Supports pools with more than two coins, allowing for diverse and concentrated trading pairs.
    

Su’s innovative approach addresses critical issues in stablecoin design, aiming to provide a more scalable, efficient, and secure solution for the DeFi ecosystem.

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*Originally published on [Untitled](https://paragraph.com/@0xf142b3a6c728e506a99bd30e225304c58eaf9c4d/interest-protocol)*