💚 LatamFi - Financial Inclusion Platform for LATAM

¡Envía, Paga, Crece! Remesas, Servicios, Crédito. Comisiones Ultra Bajos. Potenciado por Celo

LatamFi is a decentralized financial platform built on Celo, designed to bring financial services to underserved communities in Latin America. Through a lightweight mobile wallet, instant payments, simplified remittances, and community-based microfinance, LatamFi enables financial inclusion for millions.

---

🌟 Vision

Financial inclusion for everyone, everywhere.

LatamFi leverages Celo's mobile-first blockchain and stablecoins to provide:

• 💳 Instant Payments - Send and receive money instantly using cUSD/cREAL
• 🌍 Simplified Remittances - Low-cost cross-border transfers
• 💰 Microfinance - Access to credit based on on-chain reputation
• 🏆 Reputation System - Build creditworthiness through blockchain activity

---

🚀 Key Features

1. Lightweight Mobile Wallet

• Create/import wallet in seconds
• View balances (cUSD, cREAL, CELO)
• Transaction history
• QR code for receiving payments
• PWA-first design (works offline)

2. Instant Payments

• Send/receive payments between users
• Pay merchants via QR scanning
• Pay cooperatives (multi-sig support)
• Push notifications (optional)

3. Simplified Remittances

• Select origin/destination country
• Convert local currency → cUSD
• Instant settlement
• Transaction tracking
• Low fees (<1%)

4. On-Chain Reputation System

• Credit score based on:
  • Payment history
  • Transaction volume
  • Time on platform
  • User references
• Stored as Soulbound Token (SBT)
• Non-transferable, verifiable
• Used for microcredit eligibility

5. Decentralized Microfinance

• Request microcredit (reputation-based)
• Community liquidity pools
• Flexible terms (APR based on score)
• Auto-repayment with stablecoins
• Rewards for responsible consumption

---

🏗️ Architecture

Tech Stack

Frontend:

• Next.js 14 (PWA-first)
• TypeScript
• Tailwind CSS
• Celo Wallet Connect / Valora SDK

Blockchain:

• Celo (Alfajores testnet → Mainnet)
• Solidity smart contracts
• Hardhat/Foundry for development

Stablecoins:

• cUSD (Celo Dollar)
• cREAL (Celo Real)
• cEUR (Celo Euro)

Storage:

• IPFS (metadata)
• Celo blockchain (on-chain data)

System Architecture

┌─────────────────────────────────────┐
│   Frontend (Next.js PWA)            │
│   - Wallet Integration              │
│   - Payment UI                      │
│   - Remittance Flow                 │
│   - Microfinance Dashboard          │
└──────────────┬──────────────────────┘
               │
┌──────────────▼──────────────────────┐
│   Smart Contracts (Solidity)         │
│   - PaymentRouter.sol                │
│   - RemittancePool.sol               │
│   - CreditScore.sol                  │
│   - ReputationSystem.sol             │
│   - MicrofinancePool.sol             │
└──────────────┬──────────────────────┘
               │
┌──────────────▼──────────────────────┐
│   Celo Blockchain                     │
│   - cUSD/cREAL transfers              │
│   - On-chain reputation               │
│   - Transaction history               │
└─────────────────────────────────────┘

---

📦 Installation & Setup

Prerequisites

• Node.js 18+
• npm or yarn
• Git
• Celo wallet (Valora or Celo Wallet)

Quick Start

# Clone repository
git clone https://github.com/YOUR_USERNAME/latamfi.git
cd latamfi

# Install dependencies
cd frontend
npm install

# Setup environment
cp .env.example .env.local
# Edit .env.local with your config

# Run development server
npm run dev

Smart Contracts

# Setup contracts
cd contracts
npm install

# Compile
npx hardhat compile

# Deploy to Alfajores
npx hardhat run scripts/deploy.js --network alfajores

---

🎯 Use Cases

1. Daily Payments

Scenario: Maria pays for groceries at a local store

• Opens LatamFi wallet
• Scans merchant QR code
• Sends 50 cUSD
• Transaction confirmed in <3 seconds
• Merchant receives payment instantly

2. Remittances

Scenario: Juan sends money from USA to Mexico

• Opens remittance flow
• Selects USA → Mexico
• Enters $200 USD
• Converts to cUSD
• Sends to recipient's wallet
• Recipient receives 200 cUSD (~3,600 MXN)
• Cost: <$2 (vs $10-15 traditional)

3. Microcredit

Scenario: Carlos needs a small loan

• Has good reputation (Gold level)
• Requests 500 cUSD microcredit
• Approved based on on-chain score
• Receives funds instantly
• Repays over 6 months
• Builds better reputation

4. Cooperative Payments

Scenario: Community cooperative receives payments

• Multiple members sign transactions
• Multi-sig wallet for security
• Transparent on-chain accounting
• Members can verify payments

---

🔐 Security

• Non-custodial - Users control their keys
• On-chain verification - All transactions verifiable
• Reputation system - Prevents fraud
• Multi-sig support - For cooperatives
• Smart contract audits - Before mainnet

📖 Ver SECURITY_CHECKLIST.md para el checklist completo de seguridad

---

🛣️ Roadmap

Phase 1: MVP (Nov-Dec 2025)

• Project setup
• Smart contracts (PaymentRouter, ReputationSystem)
• Frontend wallet integration
• Basic payment flow
• Remittance flow
• Deploy to Alfajores

Phase 2: Microfinance (Q1 2026)

• CreditScore contract
• MicrofinancePool contract
• Credit application UI
• Reputation dashboard
• Testing & security audit

Phase 3: Mainnet & Growth (Q2 2026)

• Mainnet deployment
• Mobile app (React Native)
• Partnerships with cooperatives
• User acquisition
• Marketing campaign

📖 Ver MAINNET_DEPLOYMENT.md para el plan completo de despliegue a mainnet

---

🤝 Contributing

We welcome contributions! See CONTRIBUTING.md for guidelines.

Priority Areas:

• Smart contract development
• Frontend improvements
• Mobile app development
• Documentation
• Testing

---

📄 License

MIT License - see LICENSE for details.

---

🙏 Acknowledgments

• Celo Foundation - For the mobile-first blockchain
• Mento Protocol - For stablecoin infrastructure
• Valora - For wallet SDK
• Buildathon Celo México - For the opportunity

---

📞 Contact & Links

• GitHub: github.com/YOUR_USERNAME/latamfi
• Demo: [Coming soon]
• Documentation: docs.latamfi.io (coming soon)

---

🎯 Built for Celo Buildathon 2026

Project: LatamFi
Team: Edgadafi
Category: Payments & Finance / Impact & Sustainability
Blockchain: Celo
Status: Beta - In Development

Timeline:

• Pre-registro: 18 Dic 2025 → 16 Ene 2026
• Buildathon: 19 Ene → 27 Feb 2026
• Demo Day: 6 Mar 2026

---

Made with ❤️ for financial inclusion in LATAM