The problem AidChain solves

AidChain revolutionise humanitarian aid distribution by addressing critical challenges in traditional charity systems.

We solved the following Core Problems:

1. Transparency Crisis in Donations

• Traditional charities lack real-time transparency on fund usage
• Donors never know if their money reaches intended beneficiaries
• Solution: On-chain donation tracking with immutable records on Sui blockchain

2. Inefficient Aid Distribution

• Manual verification processes for beneficiaries
• High administrative overhead (up to 30% of donations lost to admin costs)
• Solution: Smart contract automation with weekly spending limits and automated verification

3. Lack of Targeted Giving Options

• Donors can't choose specific causes or individuals
• One-size-fits-all approach doesn't match donor preferences
• Solution: Marketplace of curated donation cards for specific causes and verified beneficiaries

4. Beneficiary Identity & Privacy

• Vulnerable populations risk exposure when receiving aid
• Complex verification processes exclude those who need help most
• Solution: zkLogin authentication preserving privacy while ensuring legitimate beneficiaries

5. Financial Inclusion Barriers

• Traditional banking requirements exclude many aid recipients
• Geographic limitations prevent global aid distribution
• Solution: Blockchain-based system accessible worldwide with just internet connection

💡 Global Use Cases:
Disaster Relief: Instant, traceable aid to verified victims
Refugee Support: Privacy-preserving assistance for displaced populations
Educational Funding: Direct scholarships to students with progress tracking
Medical Emergencies: Rapid funding for urgent healthcare needs
Community Development: Transparent funding for local infrastructure projects

AidChain represents the future of humanitarian aid: transparent, efficient, privacy-preserving, and built natively on Sui's cutting-edge blockchain infrastructure. 🚀

Challenges we ran into

Challenges I ran into is as following:

1. Sui Move Smart Contract Architecture:
   Challenge: Designing donation pool vs individual card balance management
   Solution: Implemented dual-routing system where general aid goes to shared pool
   for beneficiaries, while targeted charity maintains separate balances per card :)

2. Walrus/Seal Integration for Secure Storage
   Challenge: Storing sensitive beneficiary data while maintaining privacy
   Solution: Implemented encrypted credential storage on Walrus with Seal access control, allowing beneficiaries to control who can access their information