EduFi Scholar
Empowering Education Through Decentralized Trust
Created on 12th March 2025
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EduFi Scholar
Empowering Education Through Decentralized Trust
The problem EduFi Scholar solves
The Problem: Broken Trust in Educational Funding 🚫💸
Traditional scholarship systems suffer from:
- ❌ Opaque Processes: Students and donors lack visibility into fund allocation
- ⏳ Bureaucratic Delays: Manual verification slows down disbursements
- 🕵️ Fraud Risks: Fake scholarships and misused funds
- 🌍 Access Barriers: Geographic and institutional limitations
- 📉 Inefficient Tracking: No real-time updates on applications or fund usage
How EduFi Scholar Revolutionizes Education Funding 🚀
For Students 🎓
- Global Access: Apply for scholarships worldwide without intermediaries
- Real-Time Tracking:
+ View application status instantly + Track fund disbursement timelines
- Direct Payouts: Receive funds securely via smart contracts
- Reduced Paperwork: Digital verification replaces manual submissions
For Funders & Institutions 💼
- Transparent Allocation:
// Smart contract logic ensures: - Funds locked until milestones met - Automatic disbursement triggers
- Audit Trail: Immutable blockchain records of every transaction
- Global Reach: Support students across borders with crypto-native payments
- Tax Efficiency: Automated compliance through smart contracts
For Administrators 🔐
- Fraud Prevention:
- Biometric/KYC integration - Tamper-proof scholarship records
- Automated Workflows:
graph LR A[Application] --> B(Smart Contract Check) B --> C{Approved?} C -->|Yes| D[Disburse Funds] C -->|No| E[Notify Student]
- Real-Time Analytics: Dashboard monitoring of fund utilization
Challenges I ran into
Key Challenges & Solutions 🛠️
1. MetaMask Connection & Account Refresh 🔄
Problem:
- Accounts wouldn’t update after wallet disconnects/switches
- Stale data caused UI/contract state mismatches
Approach:
// Added Ethereum event listeners window.ethereum.on('accountsChanged', handleAccountChange); window.ethereum.on('chainChanged', refreshPage);
Solution:
- Implemented real-time wallet monitoring
- Auto-refreshed contract instance on account changes
2. Role Assignment Race Conditions ⏱️
Bug:
UI showed "admin" role before blockchain confirmation
Debugging:
// Added async/await with state updates const tx = await contract.setUserRole(...); await tx.wait(); // Wait for blockchain confirmation fetchUpdatedRole(); // Refresh from contract
Fix:
- Implemented loading states during transactions
- Added post-transaction role verification
3. Gas Estimation Failures ⛽
Error:
[ethjs-query] Gas estimation failed: execution reverted
Root Cause:
- Contract logic rejected txs due to missing preconditions
- e.g., disbursing unassigned scholarships
Solution:
// Added pre-check modifiers function disburseScholarship(uint _id) external { require(scholarships[_id].recipient != address(0), "No recipient"); // ... }
Outcome:
- Clear error messages via
try/catch
- UI warnings before submitting invalid txs
Lessons Learned 🎓
Blockchain ≠ Real-Time: Implement explicit refresh triggers
Gas Optimization: Pre-checks save users from failed txs
ABI Hell: Version-control contract artifacts
Wallet Quirks: Account changes require full state resets