EcoReward - Gamified sustainability dApp
Earn rewards for real-world eco-friendly actions - powered by MetaMask Smart Accounts & Monad.
Videos
Tech Stack
Description
🌍 EcoReward – Earn by Helping the Planet
EcoReward is a decentralized platform that rewards users for taking eco-friendly actions — such as recycling, planting trees, and using public transport.
It combines blockchain transparency, AI verification, and smart wallets to create a sustainable, community-driven reward ecosystem.
Live URL: https://ecorewardmon.vercel.app
Envio repo: https://github.com/Sukanto01899/monadeco-envio-indexer
🚀 Key Features
Category | Feature | Description |
|---|---|---|
♻️ Proof Submission | Submit proof of eco actions | Upload image or document proof for recycling, tree planting, or public transport use. AI automatically verifies authenticity. |
💰 Earn ECO Tokens | Receive token rewards | Verified actions are rewarded in ECO tokens, directly credited to your smart wallet. |
🌱 Stake & Earn | Passive sustainability rewards | Stake ECO tokens to earn more tokens over time and support green initiatives. |
🏆 Leaderboard | Compete for the top spot | Track your eco impact and climb the leaderboard based on verified activities. |
👛 Smart Wallet Integration | Seamless blockchain experience | Each user gets a MetaMask Delegation Toolkit-based smart wallet powered by Privy for secure, gasless transactions. |
🤝 Donations | Support green causes | Users can delegate part of their tokens to verified environmental organizations or local recycling programs. |
🧠 How It Works
Sign Up → User connects wallet or email (via Privy).
Perform Eco Actions → Recycle, plant trees, or use public transport.
Submit Proof → Upload images as verification proof.
AI Verification → Gemini-based AI verifies authenticity of submitted proofs.
Earn Rewards → Verified actions earn ECO tokens, visible on the smart wallet.
Stake & Claim → Stake ECO tokens for additional rewards or claim them anytime.
🛠 Tech Stack
Layer | Technology |
|---|---|
Frontend | React 19 / Next.js (App Router), Tailwind CSS |
Backend | Node.js |
Blockchain | Solidity, Remix, Viem, Wagmi |
Smart Accounts | MetaMask Delegation Toolkit + Privy |
Database | MongoDB (user & proof metadata) / Envio Indexer (on-chain data) |
AI Verification | Gemini API for image & action classification |
Deployment | Vercel / Monad testnet |
🔒 Smart Contracts
Contract | Purpose |
|---|---|
ECO Token | ERC20 token used for rewards and staking |
Staking Contract | Users can stake ECO to earn more ECO |
Reward Distributor | Handles submission, AI-verified reward and daliy claim distribution |
⚡ Example User Flow
User joins EcoReward via Privy.
Uploads proof of eco action (e.g., recycling photo).
Gemini AI checks authenticity.
On-chain
ProofSubmittedevent emitted.Backend listens (via Envio Indexer) and triggers reward.
User can view all proofs and rewards on their dashboard.
📊 Reward Calculation (Example)
Action | Reward (ECO) |
|---|---|
Plastic Recycling | 100 ECO |
Tree Planting | 100 ECO |
Public Transport Use | 100 ECO |
💡 Future Features
✅ Carbon Credit NFT integration
✅ Real-world eco-campaign tracking
✅ Cross-chain rewards (ECO ↔ MON)
✅ AI-driven impact scoring
❤️ Donations
All user donations are delegated transparently on-chain using MetaMask Delegation Toolkit.
Funds go directly to verified environmental organizations and local sustainability projects.
🧩 Project Architecture
Frontend (React/Next.js) ↓ Privy / MetaMask Delegation Toolkit ↓ Smart Wallet (AA) ↓ EcoReward Smart Contracts (Solidity) ↓ Envio Indexer + GraphQL ↓ Backend (Node.js + MongoDB)