MetaFloat - Reputation-Based DeFi Lending Platform

🚀 Live Application: https://metafloat.vercel.app/

MetaFloat is a DeFi lending platform that uses on-chain reputation scoring based on MetaMask Card transaction history to provide instant, collateral-free loans. Built on Linea, MetaFloat enables users to access credit based on their proven financial behavior and consistency.

🌟 Key Features

🏆 Reputation-Based Credit Scoring

• MetaMask Card Integration: Analyzes real-world spending patterns

• Multi-Factor Scoring: Consistency, loyalty, sophistication, activity, and reliability metrics

• Trust Levels: Bronze, Silver, Gold, and Platinum tiers

• Dynamic Assessment: Real-time reputation updates based on transaction history

💰 Instant Loans

• No Collateral Required: Loans based purely on reputation trust

• Fixed 1% APR: Transparent, competitive rates for all users

• Multiple Tiers: $25 (Micro) to $1,000 (Large) loan amounts

• 30-Day Terms: Short-term loans with automatic collection

• Instant Funding: Receive USDC immediately upon approval

🔄 Smart Contract Automation

• Automated Repayment: Loans auto-collected after 30 days

• Eligibility Verification: Real-time qualification checks

• On-Chain Reputation: Immutable, verifiable credit scores

• Gas Optimized: Efficient contract design for low-cost operations

🏗️ Smart Contract Architecture

Core Contracts

Contract Flow

MetaFloatID → MetaFloatReputation → MetaFloatLoanEligibility → MetaFloatLoanManager
     ↓              ↓                        ↓                        ↓
  Identity      Reputation              Qualification            Loan Management

💡 How It Works

1. Reputation Building

• Connect your wallet with MetaMask Card transaction history

• Reputation scores are calculated and stored on-chain

• Regular updates maintain current reputation status

2. Loan Qualification

• Real-time eligibility check based on reputation scores

• Tier determination (Micro/Small/Medium/Large) based on trust level

• Maximum loan amounts calculated from behavioral analysis

• Instant approval for qualified users

3. Loan Process

• Approve: User approves USDC spending for repayment (principal + interest)

• Request: Instant loan issuance upon approval

• Receive: USDC deposited directly to user's wallet

• Repay: Automatic collection after 30 days or manual early repayment

🎯 Loan Tiers & Requirements

Additional Requirements

• ✅ Minimum 100 activity score

• ✅ Valid MetaFloat ID

• ✅ Current reputation data (recently updated)

• ✅ Maximum 1 active loan per wallet

🛠️ Technology Stack

Frontend

• React with TypeScript

Backend & Infrastructure

• Vercel for frontend deployment

• Line Testnet for smart contract deployment

Smart Contracts

• Solidity 0.8.19

• OpenZeppelin for security standards

• Hardhat for development and testing

• ERC20 token standard for USDC integration

🚀 Getting Started

Prerequisites

• MetaMask wallet with MetaMask Card transaction history

• Some ETH for gas fees

• USDC for loan repayment (acquired after loan approval)

Using the Platform

1. Visit https://metafloat.vercel.app/

2. Connect your MetaMask wallet

3. Update your reputation by clicking "Update Reputation"

4. Check your loan eligibility and tier

5. Request a loan based on your qualification

6. Approve USDC spending for repayment

7. Receive instant USDC funding

Development Setup

# Clone the repository
git clone https://github.com/Kagwep/metafloat.git
cd metafloat/client

# Install dependencies
npm install


# Start development server
npm run dev

# Build for production
npm run build

📊 Reputation Scoring System

Core Metrics

Consistency Score (0-1000)

• Regularity of spending patterns

• Predictability of financial behavior

• Required minimum: 600 for any loan

Loyalty Score (0-1000)

• Duration of platform engagement

• Long-term user value indicator

• Higher scores unlock better terms

Sophistication Score (0-1000)

• Token diversity in transactions

• DeFi experience level

• Complex transaction patterns

Activity Score (0-1000)

• Recent platform usage frequency

• Minimum 100 required for loans

• Indicates active engagement

Reliability Score (0-1000)

• Transaction success rate

• Platform stability indicator

• Consistent user behavior

Overall Reputation (0-1000)

• Weighted combination of all metrics

• Primary factor for loan eligibility

• Determines maximum loan tier

📈 Roadmap

Phase 1 (Current) - Core Platform

• ✅ Reputation scoring system

• ✅ Basic loan functionality

• ✅ USDC integration

• ✅ Web application

Phase 2 - Enhanced Features

• 🔄 Multi-token support (USDT, WETH, etc.)

• 🔄 Mobile application

• 🔄 Credit score improvements

• 🔄 Advanced analytics dashboard

Phase 3 - Ecosystem Expansion

• 📅 Integration with other DeFi protocols

• 📅 Institutional lending features

• 📅 Cross-chain compatibility

• 📅 Governance token launch

Phase 4 - Advanced DeFi

• 📅 Yield farming integration

• 📅 Liquidity provision features

• 📅 Insurance products

• 📅 Reputation marketplace

🤝 Contributing

We welcome contributions from the community! Please see our Contributing Guidelines for details on how to submit pull requests, report issues, and suggest improvements.

Development Areas

• Frontend React components

• Smart contract optimization

• Reputation algorithm improvements

• Security auditing

• Documentation