Complaint Box • Abdus Samad

🧑‍💻 Anonymous Complaint Submission:
Users can register complaints without revealing their identity. No personal data is stored, ensuring complete privacy.
⛓ Blockchain-Powered Logging:
Each complaint is permanently recorded on a blockchain ledger, guaranteeing immutability, traceability, and prevention of data manipulation.
📄 Transparent Complaint Status:
Complainants can track the progress of their reports without logging in, using a unique hash ID.
🛡 Role-Based Access:
Admins and authorized personnel can view and manage complaints based on roles (e.g., HR, Government Department, Moderator), ensuring data segregation and security.
📊 Analytics Dashboard (Optional):
A real-time dashboard displays statistics like number of complaints, types, departments involved, and resolution rates.

Frontend: Next.js 14, Tailwind CSS, TypeScript
Backend: Node.js, Express (or Next API routes)
Blockchain: Ethereum or a lightweight private chain using tools like Hardhat or Ganache
Smart Contracts: Written in Solidity
Database (if needed): MongoDB (for non-sensitive metadata only)
Authentication: Optional or via hashed public keys for complaint reference
State Management: Zustand
Validation: Zod

Blockchain ensures:

Integrity: Complaints can't be deleted or modified once submitted.
Transparency: All actions are recorded in a verifiable and auditable manner.
Anonymity: No centralized server holds user identity data.