please write entirely the System Architecture and Technology Stack

Backend Framework:

- Django (Python):
- Advantages: Robust, scalable, secure, rapid development capabilities, and includes an admin interface and Object-Relational Mapping (ORM) out of the box.
- Use Case: Managing user data, transactions, and integrating with other systems.

- Node.js with Express:
- Advantages: Lightweight, high performance, suitable for building RESTful APIs and handling real-time data.
- Use Case: Real-time market updates, live price fixings, and handling concurrent user requests.

- Ruby on Rails:
- Advantages: Convention over configuration, rapid development, and a strong community.
- Use Case: Quick iteration during the MVP phase and agile development practices.

Mobile App Development:

- React Native:
- Advantages: Code reusability across iOS and Android, strong community support, and seamless integration with existing JavaScript frameworks.
- Use Case: Developing the user-facing mobile application for miners to access the MIS.

- Flutter:
- Advantages: High performance, expressive UI, and native-like functionality.
- Use Case: Building a visually appealing and responsive mobile application with smooth animations.

Database:

- PostgreSQL:
- Advantages: Open-source, highly reliable, strong support for geographical data, and advanced querying capabilities.
- Use Case: Storing transactional data, user information, and geo-tagged mining locations.

- MongoDB:
- Advantages: NoSQL flexibility, scalability, and ease of handling unstructured data.
- Use Case: Managing diverse data structures such as user profiles, transaction logs, and quality assessments.

Blockchain for Traceability:

- Hyperledger Fabric:
- Advantages: Permissioned blockchain framework, modular architecture, and suitable for business applications requiring privacy and scalability.
- Use Case: Ensuring immutable records of gold transactions and facilitating traceability from mine to market.

- Ethereum:
- Advantages: Public blockchain with a large developer community and robust smart contract capabilities.
- Use Case: If a decentralized approach is preferred, albeit with higher transaction costs and lower privacy.

Authentication and KYC:

- Keycloak:
- Advantages: Open-source identity and access management, supports Single Sign-On (SSO), and integrates well with various applications.
- Use Case: Managing user authentication, authorization, and KYC verification processes.

- OpenID Connect:
- Advantages: Secure authentication protocol, widely adopted, and compatible with multiple platforms.
- Use Case: Implementing secure login mechanisms and integrating with third-party authentication services.

Marketplace and Order Matching:

- Apache Kafka:
- Advantages: High-throughput, real-time data streaming, and fault-tolerant architecture.
- Use Case: Handling real-time data feeds for market updates and facilitating instantaneous order matching.

- RabbitMQ:
- Advantages: Reliable message brokering, support for various messaging protocols, and ease of integration.
- Use Case: Implementing the matching engine for bids and offers within the marketplace.

Data Visualization:

- D3.js:
- Advantages: Highly customizable, supports complex data visualizations, and integrates well with web applications.
- Use Case: Creating interactive charts for market trends, price movements, and transactional analytics.

- Apache Superset:
- Advantages: User-friendly interface, rich visualization options, and strong support for data exploration.
- Use Case: Building dashboards for administrators to monitor system performance and user activity.

Geographic Information System (GIS) Functionality:

- QGIS:
- Advantages: Open-source, extensive plugin ecosystem, and strong community support.
- Use Case: Mapping mining sites, tracking resource distribution, and integrating geographical data into the MIS.

- GeoServer:
- Advantages: Efficiently serves geospatial data, supports various data formats, and integrates with other GIS tools.
- Use Case: Sharing geospatial data with stakeholders and enabling spatial queries within the MIS.

API Documentation:

- Swagger:
- Advantages: Comprehensive tools for designing, building, and documenting RESTful APIs, facilitating developer onboarding.
- Use Case: Creating interactive API documentation for internal and external developers to integrate with the MIS.

Containerization and Deployment:

- Docker:
- Advantages: Simplifies application deployment, ensures consistent environments across development and production, and enhances scalability.
- Use Case: Packaging the MIS components for deployment in a cloud infrastructure.

- Kubernetes:
- Advantages: Automates deployment, scaling, and management of containerized applications, ensuring high availability.
- Use Case: Orchestrating containerized services within the MIS for efficient resource utilization and scalability.
5.2 Key Functionalities and Features

1. User Registration and KYC Verification:
- Secure registration process involving identity verification, mining licenses, and compliance checks.
- Integration with government databases for real-time validation.

2. Secure Login and Authentication:
- Multi-factor authentication (MFA) to enhance security.
- Role-based access control (RBAC) to manage user permissions.

3. Marketplace for Bids and Offers:
- Real-time listing of buying and selling offers.
- Advanced search and filtering options based on location, quantity, and price.

4. Real-Time Price Updates and Historical Data:
- Live streaming of gold price fluctuations.
- Accessible historical data charts for trend analysis.

5. Daily Gold Price Fixing Calculation and Publication:
- Algorithm-driven price fixation based on aggregated marketplace data.
- Transparent publication of fixed prices across regional hubs.

6. Messaging System for User Communication:
- Encrypted messaging platform for secure communication between buyers and sellers.
- Notification system for alerts on bids, offers, and market updates.

7. Reporting and Analytics Dashboard:
- Comprehensive dashboards for tracking sales performance, market trends, and user activity.
- Exportable reports for regulatory compliance and business analysis.

8. Quality Assurance and Traceability:
- Integration with assaying labs for gold quality verification.
- Blockchain-enabled traceability for each transaction.