# Application Configuration NODE_ENV=development PORT=8000 JWT_SECRET=your-jwt-secret-key-change-in-production # Database Configuration DATABASE_URL="file:./storage/db/database.db" # Blockchain Configuration BLOCKCHAIN_RPC_URL=http://localhost:8545 ETHEREUM_NETWORK=localhost # CORS Configuration CORS_ORIGIN=* # Rate Limiting RATE_LIMIT_WINDOW_MS=900000 RATE_LIMIT_MAX_REQUESTS=100