Automated Action ab87d3c506 Implement comprehensive cryptocurrency exchange platform ...

- Built complete CEX platform with FastAPI and Python
- JWT-based authentication system with secure password hashing
- Multi-currency crypto wallet support (BTC, ETH, USDT)
- Fiat account management (USD, EUR, GBP)
- Local transaction signing without external APIs
- Comprehensive transaction handling (send/receive/deposit/withdraw)
- SQLAlchemy models with Alembic migrations
- Security middleware (rate limiting, headers, logging)
- Input validation and sanitization
- Encrypted private key storage with PBKDF2
- Standardized codebase architecture with service layer pattern
- Complete API documentation with health endpoints
- Comprehensive README with setup instructions

Features:
- User registration and authentication
- Crypto wallet creation and management
- Secure transaction signing using local private keys
- Fiat deposit/withdrawal system
- Transaction history and tracking
- Rate limiting and security headers
- Input validation for all endpoints
- Error handling and logging

2025-06-20 23:08:04 +00:00

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