Privacy-Preserving Decentralized Crowdfunding Platform
Built for the Avalanche Build Hackathon
Pitch Deck: https://gamma.app/docs/ShadowFund-Privacy-Preserving-Funding-Evolving-to-PIaaS-gno62qbscovjd7x
Video Explanation: https://loom.com/share/folder/51ea8a14f98543d382a1d61014ce1b2d
Deployed URL: https://shadow-fund.vercel.app/
ShadowFund is evolving from a privacy-preserving crowdfunding platform into a comprehensive Privacy Infrastructure as a Service (PIaaS) solution. Using Avalanche's cutting-edge encrypted ERC20 (eERC20) protocol, we enable:
Consumer Platform:
- Private Donations: Contribution amounts remain encrypted on-chain
- Anonymous Supporters: Donor identities can stay confidential
- Transparent Campaigns: Public campaign goals and progress without revealing individual contributions
- AI-Powered Insights: Intelligent campaign optimization and donor matching
Enterprise & NGOs Infrastructure:
- Custom L1 Deployment: Dedicated Avalanche subnets with pre-configured privacy features
- Cross-Chain Privacy: Multi-L1 encrypted transfers and unified key management
- White-Label Solutions: Branded privacy platforms for enterprises
- Compliance-Ready: Enterprise & NGOs-grade privacy with regulatory compliance tools
🔐 Privacy-First Architecture
- Integration with Avalanche's native eERC20 protocol
- Encrypted donation amounts using homomorphic encryption
- Zero-knowledge proof verification for all transactions
- Private balance management for campaign creators
📊 Campaign Management
- Create campaigns with public metadata (title, description, deadline)
- Track donations through encrypted transaction hashes
- Withdrawal management with privacy preservation
- Real-time campaign analytics without exposing amounts
🤖 AI-Powered Features
- Intelligent campaign optimization recommendations
- Smart donor matching based on encrypted preferences
- Automated fraud detection and risk assessment
- Predictive analytics for campaign success
🎨 Intuitive User Experience
- Multi-step campaign creation wizard
- Seamless wallet integration with eERC20 registration
- Real-time form validation and error handling
- Responsive design built with React and Tailwind CSS
🏢 Privacy Infrastructure as a Service (PIaaS)
- Custom Avalanche L1 deployment with pre-configured eERC20
- Dedicated validator sets for enterprise security
- White-label privacy platform deployment
- Enterprise & NGOs-grade compliance and audit tools
🌐 Multi-Chain Privacy Solutions
- Cross-L1 encrypted transfer protocols
- Unified privacy key management across chains
- Enterprise & NGOs-grade key recovery and backup systems
- Seamless multi-chain campaign deployment
🔧 Developer & Integration Tools
- Universal eERC20 deployment toolkit
- Cross-chain privacy bridge infrastructure
- Enterprise & NGOs SDK for custom integrations
- Compliance framework for regulated industries
Smart Contract Architecture
SimpleCampaignFactory.sol → Campaign creation and management
SimpleCampaign.sol → Individual campaign logic
eERC20 Integration → Avalanche's encrypted token protocol
Frontend Stack
React + TypeScript → Modern UI framework
@avalabs/eerc-sdk → Official eERC20 SDK integration
Wagmi + Viem → Ethereum wallet connectivity
Shadcn/ui + Tailwind → Beautiful, accessible components
shadowflow/
├── frontend/ # React application
│ ├── src/
│ │ ├── components/ # UI components
│ │ ├── hooks/ # Custom React hooks
│ │ ├── pages/ # Application pages
│ │ └── config/ # Configuration files
│ └── package.json
├── contracts/ # Smart contracts
│ ├── contracts/ # Solidity contracts
│ ├── script/ # Deployment scripts
│ ├── test/ # Contract tests
│ └── foundry.toml # Foundry configuration
- Framework: React 18 with TypeScript
- Styling: Tailwind CSS + Shadcn/ui components
- Web3: Wagmi v2 + Viem for wallet connectivity
- Privacy: @avalabs/eerc-sdk for encrypted transactions
- State: React Query for server state management
- Routing: React Router v6
- Forms: React Hook Form with Zod validation
- Language: Solidity ^0.8.20
- Framework: Foundry for development and testing
- Network: Avalanche C-Chain (Fuji Testnet)
- Privacy: Integration with deployed eERC20 protocol
- Architecture: Factory pattern for campaign deployment
- Blockchain: Avalanche Subnet-EVM
- Privacy Protocol: eERC20 (Encrypted ERC20)
- Development: Foundry + Avalanche CLI
- Deployment: Vercel (Frontend) + Avalanche (Contracts)
- Node.js 18+ and npm
- Foundry
- Avalanche CLI
- MetaMask or compatible Web3 wallet
-
Clone the repository
git clone <repository-url> cd shadowflow
-
Setup Frontend
cd frontend npm install npm run dev -
Setup Contracts
cd contracts npm install forge build forge test
-
Deploy Contracts (requires AVAX for gas)
forge script script/DeploySimpleCampaigns.s.sol \ --rpc-url https://api.avax-test.network/ext/bc/C/rpc \ --broadcast
Frontend (.env)
VITE_WALLET_CONNECT_PROJECT_ID=your_project_id
VITE_CAMPAIGN_FACTORY_ADDRESS=deployed_factory_addressContracts (.env)
PRIVATE_KEY=your_private_key
AVALANCHE_FUJI_RPC_URL=https://api.avax-test.network/ext/bc/C/rpcSmart Contract Foundation
- SimpleCampaign contract with metadata tracking
- SimpleCampaignFactory for campaign deployment
- eERC20 transaction hash registration system
- Comprehensive test suite with 100% coverage
- Contracts deployed on Avalanche Fuji testnet
Frontend Application
- Multi-step campaign creation wizard
- eERC20 SDK integration and wallet connectivity
- Real-time form validation and error handling
- Campaign listing and detail pages
- Donation interface with privacy features
- Production-ready frontend deployed
Privacy Integration
- eERC20 registration flow for new users
- Private donation functionality using encrypted transfers
- Balance decryption for campaign creators
- Transaction hash linking between eERC20 and campaigns
- End-to-end privacy flow validated
🤖 AI-Powered Platform Enhancement
- Intelligent campaign optimization engine
- Smart donor matching algorithms using encrypted preference analysis
- Automated fraud detection and risk assessment systems
- Predictive analytics for campaign success probability
- AI-driven campaign recommendation system
📊 Advanced Analytics
- Private metrics dashboard with zero-knowledge proofs
- Encrypted campaign performance insights
- Anonymous donor behavior analysis
- Real-time success prediction models
🏢 Privacy Infrastructure as a Service (PIaaS)
- Universal eERC20 deployment toolkit for any Avalanche L1
- Custom L1 subnet deployment automation
- Enterprise & NGOs-grade validator set configuration
- White-label platform deployment system
- Compliance framework for regulated industries
🌐 Multi-Chain Privacy Bridge
- Cross-L1 encrypted transfer protocol development
- Unified privacy key management system
- Enterprise & NGOs-grade key recovery and backup solutions
- Cross-chain campaign deployment capabilities
- Multi-L1 state synchronization with privacy preservation
🚀 Go-to-Market Execution
- Enterprise & NGOs SDK and developer tools release
- Pilot deployment with 3-5 enterprise customers
- Partnership agreements with Avalanche ecosystem players
🔧 Production Optimization
- Performance optimization for enterprise-scale deployments
- Advanced security audits and penetration testing
- Scalability testing across multiple L1s
- Enterprise & NGOs support infrastructure setup
- Documentation and training materials for enterprise clients
📈 Market Positioning
- Transform from crowdfunding platform to Privacy Infrastructure provider
- Establish ShadowFund as the leading PIaaS solution on Avalanche
- Create competitive moat through first-mover advantage in privacy infrastructure
- Build foundation for post-hackathon enterprise growth
🌍 Global Privacy Infrastructure Leader
- Become the standard for privacy-preserving financial applications
- Expand to multiple blockchain ecosystems beyond Avalanche
- Enterprise & NGOs adoption across Fortune 500 companies
- Regulatory partnerships for compliant privacy solutions
- Donation Amounts: Encrypted using homomorphic encryption
- Donor Identity: Optional anonymity with zero-knowledge proofs
- Campaign Balances: Only creators can decrypt their total funds
- Transaction History: Public events without revealing amounts
- Smart Contract Audits: Comprehensive testing and formal verification
- Frontend Security: Secure key management and encrypted storage
- eERC20 Integration: Leveraging Avalanche's battle-tested privacy protocol
- Access Controls: Role-based permissions and multi-signature support
We welcome contributions from the community! Please see our Contributing Guidelines for details on:
- Code style and standards
- Pull request process
- Issue reporting
- Development setup
- Testing requirements
This project is licensed under the MIT License - see the LICENSE file for details.
Avalanche Build Hackathon - 4-Week Development Plan
- Team: ShadowFund Development Team
- Track: Privacy & Infrastructure + Enterprise & NGOs Solutions
- Demo: Live Demo
- Contracts: Deployed on Avalanche Fuji Testnet
- Repository: This repository contains all source code and documentation
- Privacy Infrastructure as a Service (PIaaS) - First-ever enterprise privacy infrastructure platform
- Multi-L1 eERC20 Deployment - Universal toolkit for deploying privacy across any Avalanche L1
- AI-Powered Privacy Analytics - Intelligent insights while preserving encryption
- Cross-Chain Privacy Bridge - Seamless encrypted transfers across multiple L1s
- Enterprise & NGOs-Grade Compliance - Regulatory-ready privacy solutions for Fortune 500 companies
Week 1: ✅ Privacy crowdfunding platform foundation
Week 2: 🤖 AI integration and advanced analytics
Week 3: 🏢 Enterprise & NGOs infrastructure development
Week 4: 🚀 PIaaS launch and market validation
Post-Hackathon: Transform into $10M+ ARR Privacy Infrastructure company
Built with ❤️ for the Avalanche ecosystem
From privacy-preserving crowdfunding to enterprise Privacy Infrastructure as a Service - powered by Avalanche's eERC20 protocol.