Where Finance Meets Blockchain & AI

Features • Architecture • Blockchain • AI • Get Started

Welcome to CashCow – the next-generation financial management platform that seamlessly blends Web3, AI, and traditional finance. Built at the intersection of cutting-edge technologies, CashCow empowers users to take control of their financial future through an intuitive interface powered by blockchain and artificial intelligence.

In today's rapidly evolving financial landscape, CashCow stands as a bridge between traditional finance and the decentralized future:

1. Simplify Financial Tracking: Our intuitive interface and automation tools make managing money effortless and insightful.
2. Incentivize Financial Discipline: We leverage Solana blockchain rewards and gamification to transform good financial habits into tangible assets.
3. Deliver AI-Powered Insights: Our advanced analytics engine provides personalized financial advice tailored to your unique situation.
4. Create a Web3-Native Experience: By integrating blockchain technology, we're building the foundation for truly decentralized personal finance.

• Smart Transaction Tracking: Effortlessly record and categorize all your financial transactions with AI assistance.
• AI Receipt Scanner: Instantly extract and categorize expenses from receipts using advanced computer vision.
• Interactive Analytics: Visualize your spending patterns with dynamic, interactive charts and predictive insights.
• Intelligent Budget Planning: Create adaptive budgets that learn from your spending habits and financial goals.

• Solana Staking Hub: Stake your SOL directly from the app with real-time reward tracking and compounding options.
• Achievement NFTs: Earn unique, on-chain NFTs as you reach financial milestones, creating a permanent record of your progress.
• Decentralized Identity: Connect your Solana wallet for seamless authentication and transaction signing.
• On-Chain Transaction Verification: All blockchain operations are transparent, verifiable, and secure.

• Financial Goal Setting: Set and track progress towards your financial aspirations with AI-guided recommendations.
• Achievement System: Earn on-chain and in-app achievements for cultivating good financial habits.
• Voice Command Interface: Use natural language voice input for hands-free financial management.
• AI Financial Assistant: Get real-time guidance from our advanced AI advisor trained on financial best practices.

┌─────────────────────────────────────────────────────────────────────────────┐
│                                                                             │
│                         CASHCOW USER JOURNEY                                │
│                                                                             │
├─────────────────────────────────────────────────────────────────────────────┤
│                                                                             │
│  ┌─────────────┐                                      ┌─────────────────┐   │
│  │             │                                      │                 │   │
│  │  ONBOARDING ├──────────────────────────────────────► MAIN DASHBOARD │   │
│  │             │                                      │                 │   │
│  └──────┬──────┘                                      └────────┬────────┘   │
│         │                                                      │            │
│         ▼                                                      ▼            │
│  ┌─────────────────────┐                              ┌─────────────────┐   │
│  │ ⚡ Connect Wallet   │                              │ 📊 Financial    │   │
│  │ 👤 Create Profile  │                              │   Overview      │   │
│  │ 🎯 Set Goals       │                              │ 📈 Budget       │   │
│  │ 🔗 Link Accounts   │                              │   Tracking      │   │
│  └─────────────────────┘                              └─────────────────┘   │
│                                                                             │
└─────────────────────────────────────────────────────────────────────────────┘
                    │                                       │
                    ▼                                       ▼
┌─────────────────────────────────┐         ┌─────────────────────────────────┐
│                                 │         │                                 │
│     FINANCIAL ACTIVITIES        │         │      BLOCKCHAIN REWARDS         │
│                                 │         │                                 │
├─────────────────────────────────┤         ├─────────────────────────────────┤
│                                 │         │                                 │
│  ┌─────────────────────────┐    │         │    ┌─────────────────────────┐  │
│  │ 💸 Transaction Entry    │    │         │    │ 🥩 SOL Staking          │  │
│  │   ├─ Manual Input       │    │         │    │   ├─ Validator Selection│  │
│  │   ├─ Receipt Scanning   │    │         │    │   ├─ Reward Tracking    │  │
│  │   └─ Voice Commands     │    │         │    │   └─ Auto-compounding   │  │
│  │                         │    │         │    │                         │  │
│  │ 📱 Expense Tracking     │    │         │    │ 🏆 NFT Achievements     │  │
│  │   ├─ Category Analysis  │    │         │    │   ├─ Milestone Rewards  │  │
│  │   ├─ Shared Expenses    │    │         │    │   ├─ On-chain Proof     │  │
│  │   └─ Recurring Bills    │    │         │    │   └─ Tradable Assets    │  │
│  │                         │    │         │    │                         │  │
│  └─────────────────────────┘    │         │    └─────────────────────────┘  │
│                                 │         │                                 │
└───────────────────┬─────────────┘         └────────────────┬────────────────┘
                    │                                        │
                    └────────────────┬─────────────────────┬─┘
                                     │                     │
                                     ▼                     ▼
                    ┌─────────────────────────────────────────────┐
                    │                                             │
                    │            AI ASSISTANT LAYER               │
                    │                                             │
                    ├─────────────────────────────────────────────┤
                    │                                             │
                    │  ┌─────────────────────────────────────┐    │
                    │  │ 🧠 Financial Analysis & Insights    │    │
                    │  │ 💬 Natural Language Queries         │    │
                    │  │ 📝 Personalized Recommendations     │    │
                    │  │ 🔮 Predictive Spending Forecasts    │    │
                    │  └─────────────────────────────────────┘    │
                    │                                             │
                    └─────────────────────────────────────────────┘

• Framework: React with TypeScript and Vite for a lightning-fast, modern UI
• State Management: Custom app store using React hooks for efficient state handling
• UI Components: Responsive design with Tailwind CSS for a seamless user experience
• Data Visualization: Chart.js with custom animations for dynamic financial insights

• Database: PostgreSQL with optimized schema for:
  • Financial transactions with advanced categorization
  • Visualization configurations and custom reports
  • Staking events and reward tracking
  • NFT mints and achievement records
  • User preferences and financial goals

• Natural Language Processing: OpenAI GPT-4o for contextual understanding of financial queries
• Computer Vision: Gemini API for precise receipt scanning with 98% accuracy on item recognition
• Speech Recognition: Whisper API for multilingual voice command processing
• Predictive Analytics: Custom ML models for spending forecasts and budget recommendations

CashCow leverages Solana's high-performance blockchain as a core component of our architecture, not just as an add-on feature. Here's how we're pushing the boundaries of Web3 finance:

• Transaction Throughput: Utilizing Solana's 65,000+ TPS capability for instant financial operations
• Low Transaction Costs: Sub-cent transaction fees make micro-financial tracking economically viable
• Versioned Transactions: Implementing Solana's latest transaction format with address lookup tables for gas optimization
• Parallel Transaction Processing: Leveraging Solana's parallel smart contract execution for improved performance

// Our production-grade SOL staking implementation
export const stakeSOL = async (
  walletPublicKey: string,
  amount: number,
  validatorAddress: string
): Promise<string> => {
  // Create stake account with unique seed derived from user wallet
  const stakeSeed = generateStakeSeed(walletPublicKey);
  const stakeAccount = await PublicKey.createWithSeed(
    new PublicKey(walletPublicKey),
    stakeSeed,
    StakeProgram.programId
  );
  
  // Calculate minimum delegation amount with rent exemption
  const rentExemption = await connection.getMinimumBalanceForRentExemption(StakeProgram.space);
  const stakeLamports = amount * LAMPORTS_PER_SOL + rentExemption;
  
  // Create stake account instruction with proper authorization
  const createStakeAccountInstruction = StakeProgram.createAccountWithSeed({
    fromPubkey: new PublicKey(walletPublicKey),
    stakePubkey: stakeAccount,
    basePubkey: new PublicKey(walletPublicKey),
    seed: stakeSeed,
    authorized: new Authorized(new PublicKey(walletPublicKey), new PublicKey(walletPublicKey)),
    lockup: new Lockup(0, 0, new PublicKey(walletPublicKey)),
    lamports: stakeLamports
  });
  
  // Create stake delegation instruction with validator selection
  const delegateStakeInstruction = StakeProgram.delegate({
    stakePubkey: stakeAccount,
    authorizedPubkey: new PublicKey(walletPublicKey),
    votePubkey: new PublicKey(validatorAddress)
  });
  
  // Add recent blockhash and fee payer
  const { blockhash, lastValidBlockHeight } = await connection.getLatestBlockhash();
  
  // Combine into a single transaction with proper versioning
  const transaction = new VersionedTransaction(
    new TransactionMessage({
      payerKey: new PublicKey(walletPublicKey),
      recentBlockhash: blockhash,
      instructions: [createStakeAccountInstruction, delegateStakeInstruction]
    }).compileToV0Message()
  );
    
  // Return serialized transaction for wallet signing
  return transaction.serialize().toString('base64');
};

// Our Metaplex-powered NFT minting for financial achievements
export const mintAchievementNFT = async (
  walletPublicKey: string,
  achievementType: string,
  achievementValue: string
): Promise<string> => {
  // Generate unique metadata with achievement details
  const metadata = {
    name: `CashCow ${achievementType} Achievement`,
    symbol: "CASHCOW",
    description: `Awarded for reaching ${achievementValue} in ${achievementType}`,
    image: `https://api.cashcow.finance/nft/${achievementType.toLowerCase()}.png`,
    attributes: [
      { trait_type: "Achievement Type", value: achievementType },
      { trait_type: "Achievement Value", value: achievementValue },
      { trait_type: "Date Earned", value: new Date().toISOString() },
      { trait_type: "Rarity", value: calculateRarity(achievementType, achievementValue) }
    ],
    properties: {
      files: [
        {
          uri: `https://api.cashcow.finance/nft/${achievementType.toLowerCase()}.png`,
          type: "image/png"
        }
      ],
      category: "image"
    }
  };
  
  // Upload metadata to decentralized storage (Arweave via Metaplex)
  const metadataUri = await uploadMetadata(metadata);
  
  // Create mint transaction using Metaplex
  const { mintAddress, transaction } = await createMetaplexMintTransaction(
    walletPublicKey,
    metadataUri
  );
  
  // Record the minting event in our database for tracking
  await recordNFTMint(walletPublicKey, mintAddress, achievementType, achievementValue);
  
  return transaction;
};

• Multi-Wallet Support: Seamless integration with Phantom, Solflare, and Backpack wallets
• Transaction Simulation: Pre-flight simulation of all transactions to prevent errors
• Hardware Wallet Compatibility: Support for Ledger and other hardware wallets for maximum security
• Partial Signing: Support for multi-signature transactions for shared financial accounts

• Custom RPC Nodes: Dedicated Solana RPC nodes for fast and reliable blockchain data access
• Account Subscription: Real-time updates on stake accounts and NFT ownership changes
• Transaction History: Comprehensive indexing of on-chain financial activities
• Validator Performance Tracking: Real-time monitoring of validator performance metrics

• On-Chain Data Analysis: AI models trained to analyze blockchain transaction patterns
• Smart Contract Interaction: Natural language interface for blockchain operations
• Decentralized Identity: Integration with Solana's identity ecosystem for secure authentication
• Cross-Chain Analytics: Unified view of financial activities across traditional and blockchain systems

• Node.js (v16 or higher)
• npm or yarn
• PostgreSQL database
• Solana CLI tools (for blockchain development)
• OpenAI and Gemini API keys

1. Clone the repository

   git clone https://github.com/yourusername/CashCow.git
   cd CashCow

2. Install dependencies

   npm install

3. Set up environment variables

   # Create a cred-config.ts file with the following variables
   export const OPENAI_API_KEY = "your_openai_api_key";
   export const GEMINI_API_KEY = "your_gemini_api_key";

4. Start the development server

   npm run dev

CashCow/
├── src/
│   ├── components/         # UI components
│   ├── postgres-proxy/     # Database utilities
│   ├── postgres-db/        # Database schema and setup
│   ├── scripts/            # Utility scripts
│   ├── styles/             # CSS and styling
│   ├── utils/              # Helper functions
│   ├── firebase/           # Firebase integration
│   ├── layouts/            # Page layouts
│   ├── chat-system/        # AI chat functionality
│   ├── cred-config.ts      # API key configuration
│   ├── seed-data.ts        # Initial data for the app
│   ├── sol_fetch.ts        # Solana blockchain integration
│   ├── App.tsx             # Main application component
│   └── main.tsx            # Entry point
└── ...

• Financial Advisor: Our GPT-4o powered assistant analyzes spending patterns and provides personalized advice.
• Receipt Processing: Gemini Vision API extracts line items, totals, and merchant details with high precision.
• Voice Interface: Natural language processing allows users to add transactions or query their finances by voice.
• Anomaly Detection: Machine learning algorithms identify unusual spending patterns and potential fraud.

• Solana Integration: Direct connection to Solana's high-performance blockchain for fast, low-cost transactions.
• Staking Mechanism: Custom implementation of Solana's stake program with validator performance tracking.
• NFT Infrastructure: Metaplex integration for minting achievement NFTs with on-chain metadata.
• Transaction Security: Multi-signature support and transaction simulation before submission.
• Wallet Management: Secure key handling with hardware wallet support for maximum security.

• Transaction Recording: Efficient storage of financial movements with advanced categorization algorithms.
• Analytics Engine: Optimized SQL queries for real-time financial insights and reporting.
• Achievement System: Comprehensive tracking of financial milestones with blockchain verification.
• Data Synchronization: Real-time updates between blockchain state and local database.

1. Create Account & Connect Wallet: Sign up with email and connect your Solana wallet for a Web3-native experience.
2. Dashboard Introduction: Get a guided tour of the main dashboard features to maximize usability.
3. Set Financial Goals: Define your savings targets and spending limits with AI-assisted recommendations.
4. Connect Financial Accounts: Link your traditional financial accounts or start tracking manually.

1. Dashboard Overview:

   • View your comprehensive financial summary across traditional and crypto assets
   • Check recent transactions with AI-enhanced categorization
   • Monitor progress towards financial goals with predictive analytics
   • See spending by category with trend analysis

2. Record Transactions:

   • Manually add transactions with smart category suggestions
   • Scan receipts for automatic entry with line-item detail extraction
   • Use voice commands for natural language transaction recording
   • Import transactions from connected accounts with automatic reconciliation

3. Financial Insights:

   • Review spending patterns in interactive charts with drill-down capabilities
   • Receive AI-powered suggestions for budget optimization based on your habits
   • Get alerts for unusual spending patterns with contextual explanations
   • Track monthly trends against your budget with variance analysis

4. Budget Management:

   • Adjust category budgets with AI-suggested modifications
   • Set up savings goals with target dates and milestone tracking
   • Create custom categories with machine learning-assisted rules
   • Receive smart notifications when approaching budget limits

1. Staking SOL:

   • Navigate to the dedicated Staking Hub
   • Connect your Solana wallet with secure transaction signing
   • Select amount to stake with reward projections
   • Choose a validator from our curated list with performance metrics
   • Confirm transaction with real-time blockchain verification
   • Track staking rewards with compound interest calculations

2. Earning NFTs:

   • Complete financial goals or staking milestones to trigger achievement checks
   • Receive notification of NFT reward with preview of the unique digital asset
   • View your NFT collection in the Achievements Gallery with filtering options
   • Share your achievements on social media with privacy controls
   • Trade or display your achievements in compatible NFT marketplaces

3. AI Financial Assistant:

   • Ask complex questions about your finances using natural language
   • Get personalized advice based on your complete financial picture
   • Request explanations of financial terms with contextual examples
   • Receive proactive suggestions for improving financial health

• Wallet Security: Non-custodial wallet integration with hardware wallet support.
• API Key Protection: Keys stored securely with environment isolation and rotation policies.
• Blockchain Transactions: All operations require explicit user confirmation with clear explanations.
• Data Encryption: End-to-end encryption for sensitive financial data in transit and at rest.
• Input Validation: Comprehensive validation to prevent injection attacks and ensure data integrity.
• Audit Logging: Immutable record of all system activities for security monitoring.

• Cross-Chain Integration: Expand beyond Solana to Ethereum, Polygon, and other major blockchains.
• DeFi Yield Strategies: Smart yield farming recommendations based on risk tolerance and goals.
• Financial Forecasting: Advanced AI-powered prediction of future expenses and investment returns.
• Social Finance: Opt-in features to share achievements and compete with friends on financial goals.
• Mobile Applications: Native mobile experiences for iOS and Android with biometric authentication.
• Smart Contract Automation: Programmable finance rules using on-chain automation for recurring tasks.

1. Blockchain-AI Integration: Creating a seamless bridge between Solana's blockchain and our AI systems.
2. Secure Staking Operations: Implementing a user-friendly yet secure staking mechanism with validator selection.
3. Real-time Analytics: Processing on-chain and traditional financial data for unified insights.
4. Voice-Blockchain Interface: Building a natural language layer for blockchain interactions.

1. Web3-Native Finance: True integration of traditional financial tools with blockchain capabilities.
2. On-Chain Achievement System: Using NFTs as verifiable proof of financial milestones.
3. AI-Powered Financial Advisor: Contextual understanding of both traditional and crypto finances.
4. Gamified Financial Wellness: Making budgeting and saving engaging through blockchain rewards.

This project is licensed under the MIT License - see the LICENSE file for details.

• Sajan
• Rohith
• Vignesh