macharra/d-changa

# 🌍 dChanga — Transparent Community Crowdfunding on Hedera ### 🏆 Mission Empower Kenyan communities to raise funds with verifiable trust, milestone-based payouts, and QR code transparency — no middlemen, no fraud, just impact. --- ## 💡 Problem Traditional crowdfunding in Africa often faces: - Lack of **transparency** (funds misuse) - **Manual record-keeping** - **Low donor trust** - No simple way to **verify** campaign authenticity or progress --- ## ✅ Solution **CrowdfundKE** uses **Hedera Hashgraph** to make community fundraising: - **Transparent:** Immutable donation records via HCS (Hedera Consensus Service) - **Accountable:** Milestone-based payouts via Smart Contracts - **Verifiable:** QR codes link to real campaign data on-chain - **Inclusive:** Mobile-first UX for WhatsApp/social sharing --- ## ⚙️ Core Architecture | Feature | Hedera Service | Description | |----------|----------------|--------------| | Campaign Creation | Smart Contract Service | Define goal, deadline, payout logic | | Contribution Logging | Consensus Service (HCS) | Timestamp every donation immutably | | Campaign Token | Token Service | Optional NFT or token as proof of support | | QR Code Verification | Frontend + HCS | Scan to verify campaign details and history | | Milestone-Based Payouts | Smart Contracts | Release funds only when milestones are achieved | | Flagging + Review | HCS + Smart Contracts | Pause and review suspicious campaigns | --- ## 📱 UX Flow 1. **Create Campaign** → Enter goal, description, deadline 2. **Generate QR Code** → Share via WhatsApp, posters, or social media 3. **Contribute** → Scan & send HBAR or stablecoin via wallet 4. **Track Progress** → See live updates, milestones, and receipts 5. **Verify** → Campaign details visible on **HashScan** for transparency --- ## 🧠 Trust Layer - **Verified Wallets:** Campaign creators link their Hedera wallet to their identity - **Endorsements:** Trusted community members co-sign campaigns - **QR Scan:** Reveals …