A complete authentication system built with Next.js 14, NextAuth v5, Prisma, SQLite, and Tailwind CSS. ├── app/ │ ├── api/ │ │ ├── auth/[...nextauth]/route.js # NextAuth API handler │ │ └── ...
Document upload and hashing (client-side, never uploaded to servers) Blockchain registration on Polygon Document verification Server-side API routes for secure operations ├── app/ │ ├── page.tsx # ...