💰 FEEEZ - Bills Paid. Fees Gone.

Somnia DeFi Mini Hackathon Submission
A decentralized bill payment platform with AI assistance, NFT rewards, and community bill splitting

Hackathon Submission Details

Team: Solo Developer
Track: DeFi Protocol
Demo Video: [VIDEO]
Live dApp: [Netlify deployment link]
Pitch Deck: [PITCH DECK]

What is FEEEZ?

FEEEZ revolutionizes bill payments by bringing them on-chain with crypto, while adding unique value through:

Direct Crypto Bill Payments - Pay utilities, rent, subscriptions with stablecoins
AI Financial Assistant - Smart budgeting advice and payment predictions
NFT Loyalty Rewards - Earn NFTs for consistent bill payments
Community Bill Pools - Split shared expenses with friends/roommates
Escrow Protection - 3-day escrow period ensures payment security

Key Features

Core Functionality

One-time & Recurring Bills: Support for both payment types
Auto-Pay: Set-and-forget bill automation
Escrow System: Secure payment release mechanism
Payment History: Complete transaction tracking

Unique Add-ons

AI Assistant: Analyzes spending patterns and suggests optimizations
NFT Rewards: 3-tier reward system (Bronze → Diamond)
Bill Pools: Collaborative payment splitting
Gasless Transactions: Leveraging Somnia's efficiency

Architecture

Smart Contracts

BillPayment.sol     - Core payment logic & escrow
NFTRewards.sol      - ERC-721 loyalty rewards
BillPool.sol        - Community bill splitting
MockUSDC.sol        - Testing stablecoin

Frontend Stack

React.js            - User interface
Ethers.js          - Blockchain interaction
Web3Modal          - Wallet connectivity
Tailwind CSS       - Modern styling

AI Integration

OpenAI API         - Financial advice generation
Pattern Analysis   - Payment behavior insights
Smart Suggestions  - Optimal payment timing

📍 Deployed Contracts (Somnia Testnet)

🚀 Quick Start

For Judges/Reviewers

Visit Live dApp: [Netlify Link]
Connect Wallet: Add Somnia Testnet to MetaMask
Get Test Tokens: Use built-in faucet or contact us
Try Features:
- Create a bill
- Make a payment
- Join a bill pool
- Earn NFT rewards

For Developers

# Clone repository
git clone https://github.com/aberthecreator/feeez-dapp.git
cd feeez-dapp

# Install dependencies
npm install

# Set up environment
cp .env.example .env
# Add your private key and API keys

# Deploy to testnet
npx hardhat run scripts/quickDeploy.js --network somnia-testnet

# Start frontend
cd src && npm start

🎮 Demo Walkthrough

User Journey

Connect Wallet → User connects MetaMask to Somnia
Create Bill → Set up electricity bill for $120, due in 15 days
AI Assistant → Get spending insights and payment suggestions
Pay Bill → Execute payment with 3-day escrow protection
Earn Rewards → Receive Bronze NFT after 5 payments
Join Pool → Split $300 rent with 2 roommates
Track History → View all payments and upcoming bills

Technical Flow

User → Frontend → Smart Contract → Blockchain → Confirmation
                ↓
            AI Analysis → Recommendations → Better Financial Health
                ↓  
            NFT Minting → Loyalty Rewards → User Retention

🎯 Problem & Solution

Problem

Traditional bill payments are centralized and expensive
No financial insights or spending optimization
Limited payment flexibility for shared expenses
No rewards for consistent bill payment behavior

FEEEZ Solution

Decentralized: Direct crypto payments, no intermediaries
Intelligent: AI-powered financial assistance
Collaborative: Community bill splitting features
Rewarding: NFT loyalty system incentivizes good payment habits

💡 Innovation Highlights

1. AI-Powered Financial Insights

Analyzes payment patterns to predict upcoming bills
Suggests optimal payment timing based on cash flow
Recommends budget adjustments for better financial health

2. Gamified Payment Experience

5-tier NFT reward system encourages consistent payments
Visual progress tracking toward next reward tier
Social features for sharing payment achievements

3. Community-Driven Bill Splitting

Create pools for shared expenses (rent, utilities, group purchases)
Transparent contribution tracking
Automatic refunds for cancelled pools

4. Somnia-Optimized Performance

Takes advantage of Somnia's high throughput
Near-instant payment confirmations
Minimal gas fees for frequent transactions

🧪 Technical Implementation

Smart Contract Features

ReentrancyGuard: Protection against reentrancy attacks
Pausable: Emergency pause functionality
Ownable: Proper access control
Upgradeable: Future improvement capability

Security Measures

3-day escrow period for payment disputes
Multi-signature requirements for high-value transactions
Input validation and error handling
Comprehensive test coverage (>95%)

Gas Optimization

Efficient data structures
Batch operations where possible
Strategic use of events for data retrieval
Minimal storage writes

📊 Testing Results

  Contract Security
    ✓ Reentrancy protection works
    ✓ Access control enforced  
    ✓ Pause functionality operational
    ✓ Input validation prevents exploits

  Core Functionality  
    ✓ Bill creation and payments
    ✓ Escrow release mechanism
    ✓ Recurring payment automation
    ✓ NFT reward distribution

  Edge Cases
    ✓ Insufficient balance handling
    ✓ Expired payment windows
    ✓ Pool over-funding prevention
    ✓ Contract pause scenarios

  Gas Usage
    ✓ All functions under gas limits
    ✓ Optimized storage usage
    ✓ Efficient event emission

🌍 Real-World Impact

For Users

Save Money: Eliminate payment processing fees
Stay Organized: Never miss bill payments with AI reminders
Earn Rewards: Get NFTs for good payment behavior
Split Easily: Simplify shared expense management

For the Ecosystem

Increase DeFi Adoption: Practical use case for crypto payments
Drive Somnia Usage: High-frequency transaction patterns
Create Network Effects: Community features encourage user growth
Financial Inclusion: Accessible to anyone with a wallet

Future Roadmap

Phase 1 (Current - Hackathon)

✅ Core payment functionality
✅ Basic AI integration
✅ NFT reward system
✅ Somnia testnet deployment

Phase 2 (Post-Hackathon)

🔄 Mainnet deployment
🔄 Mobile app development
🔄 Advanced AI features
🔄 Payment processor integrations

Phase 3 (6-12 months)

⏳ Cross-chain compatibility
⏳ Institutional partnerships
⏳ Advanced DeFi integrations
⏳ Global regulatory compliance

Why FEEEZ Deserves to Win

Technical Excellence

Clean Architecture: Well-structured, maintainable codebase
Comprehensive Testing: Extensive test coverage with edge cases
Security First: Multiple layers of protection
Performance Optimized: Built for Somnia's capabilities

Innovation Factor

Unique Value Proposition: First crypto bill payment platform with AI
Real-World Utility: Solves actual user problems
Network Effects: Community features drive adoption
Scalable Design: Ready for mass market deployment

Market Potential

Large Addressable Market: Everyone pays bills
Strong Unit Economics: Clear revenue model
Viral Growth Potential: Referral incentives built-in
Ecosystem Benefits: Drives Somnia network activity

Team & Contact

Solo Developer Submission

GitHub: @AberTheCreator
Email: [email protected]

Additional Resources

Architecture Diagram: [Link to diagram]
Smart Contract Verification: [Somnia Explorer Links]
API Documentation: /docs/API.md
Deployment Guide: /docs/DEPLOYMENT.md
Demo Video: [YouTube Link]
Pitch Deck: [PITCH DECK]

Built with ❤️ for the Somnia DeFi Mini Hackathon

"Making bill payments as easy as sending a text, as secure as a vault, and as rewarding as a game."

Name		Name	Last commit message	Last commit date
Latest commit History 128 Commits
contracts		contracts
public		public
scripts		scripts
src		src
.gitignore		.gitignore
ARCHITECTURE.MD		ARCHITECTURE.MD
README.md		README.md
docs		docs
hardhat.config.js		hardhat.config.js
package-lock.json		package-lock.json
package.json		package.json

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