BAIBAI

Crypto
Cryptocurrency Exchange

Baibai is a cryptocurrency exchange platform developed by TechTIQ Inc. for a financial company in Hong Kong.

The platform allows users to buy, sell, and manage Bitcoin and other cryptocurrencies through a secure and high-performance trading system. It combines strong security mechanisms, real-time data processing, and scalable infrastructure to support high transaction volumes and user activity.

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What The Client Required

The client needed a full-featured cryptocurrency exchange platform that supports secure transactions, real-time trading, and high system performance. The solution had to handle large volumes of users and transactions while ensuring reliability and security.

In addition, the platform needed to provide flexible administration tools, user verification, multilingual support, and seamless user interaction across devices.

  • Cryptocurrency trading (Bitcoin and altcoins)
  • Deposit, withdraw, and transfer crypto assets
  • Wallet security with 2FA protection
  • Referral system with multiple levels
  • Real-time trading data and updates
  • Dispute handling for transactions
  • User verification (KYC)
  • Admin control for fees, limits, and system settings
  • Real-time chat between users and support
  • 24/7 online support
  • Multi-language and responsive design
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Our Technologies

For this project, TechTIQ Inc. designed a high-performance, scalable architecture to support real-time trading, high concurrency, and secure financial operations.

Specifically, the TechTIQ Inc. team utilized the following technologies for the project:

  • ASP.NET Core 2.1
  • Angular 5
  • SQL Server (clustered database)
  • Amazon Web Services (RDS, multi-AZ deployment, Docker)
  • Microservices architecture
  • Redis cache cluster
  • RabbitMQ (message queue)
  • SignalR (real-time communication)
  • Load balancing & multi-threading
  • JMeter (stress testing)
  • Zendesk (customer support integration)
  • Bitcoin network integration
  • YouTrack (project management)

Challenges

  • Meeting extremely high performance targets
    • Up to 1,000,000 visitors per second
    • 2,500 concurrent users
    • 10 trades per second
    • Fast response time (≤5s page load, ≤3s actions)
  • Ensuring strong security for user data and crypto wallets
  • Handling complex blockchain integration and trading logic
  • Supporting users across different regions (including China restrictions)
  • Managing multi-threaded data access across distributed systems
  • Tight deadlines with high quality expectations
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Solutions

  • Designed a microservices architecture for scalability and flexibility
  • Optimized system performance using Redis cache (read) and RabbitMQ (write)
  • Implemented load balancing and multi-threading for high concurrency
  • Applied strong encryption and security practices to protect user data and wallets
  • Conducted extensive stress testing to validate system performance
  • Deployed region-compatible services to handle restricted environments (e.g., China)
  • Used Agile (Scrum) and YouTrack to manage tasks, timelines, and team coordination

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