Secure Event Tracking System for Blockchain-Integrated Mobile Devices

The client aims to develop a highly secure Android-based smartphone designed as a portable, protected crypto wallet. The device requires an internal system application that records all user and system events when the device is idle to enhance security, user trust, and transaction integrity. The client faces challenges due to limited in-house mobile development expertise, ongoing custom firmware development, and pressing deadlines for product release, which complicate the development of a comprehensive, secure event monitoring solution.

A hardware and software provider specializing in data security, focused on launching secure Android smartphones with integrated blockchain capabilities to serve cryptocurrency users.

• Design and implement a system application capable of monitoring and recording device events such as app launches, screen unlocks, USB connections, internet access, and user actions.
• Ensure data security by encrypting recorded events using robust symmetric algorithms (e.g., SHA256).
• Develop a solution compatible with custom Android firmware under development, adhering to technical constraints.
• Deliver the application within tight project timelines to meet the scheduled product launch.
• Provide a user-friendly interface presenting event logs in an organized, visually appealing format, including periodic screenshots and webcam captures of user activity.
• Enhance security features to position the device as a trustworthy tool for secure crypto transactions.

• Real-time tracking of application open/close events and foreground activity.
• Monitoring of hardware interactions such as USB connection attempts.
• Detection and logging of device lock/unlock actions.
• Monitoring of user internet access and network activity.
• Local caching of event logs and screenshots for offline analysis.
• Periodic capture of webcam images upon device unlock.
• Encryption of event data using SHA256-based symmetric encryption.
• Integration with device content providers and broadcast receivers for comprehensive event detection.
• An intuitive user interface displaying logs in tabular form with screenshots and activity summaries.

• Content providers for application lifecycle events
• Broadcast receivers for lock/unlock detection
• Device hardware interfaces for camera access and USB connections
• Network status monitoring modules
• Sensors or system hooks for capturing user activity

• Data encryption should be robust, employing SHA256-based symmetric encryption to secure logs.
• The application must operate reliably offline, storing logs locally until synchronization or retrieval.
• Performance overhead should be minimized to ensure seamless device operation without noticeable lag.
• Compatibility with custom firmware under development, adhering to all relevant technical constraints.
• Security must prevent unauthorized access or tampering of logs, screenshots, and webcam captures.
• Scalability to handle increasing event volume without degradation in performance.

Implementation of this secure event monitoring system is expected to increase user trust and confidence in the device's security capabilities, thereby attracting a niche market of cryptocurrency and blockchain enthusiasts. It aims to support a timely product launch, positioning the device as a market leader in security, with the created logs and security features serving as competitive differentiators, potentially boosting sales and user loyalty.