What are the risks of AI trading?

As a cryptocurrency and finance professional, I'm curious to know: what are the potential risks associated with AI trading? Could you elaborate on the potential pitfalls and how they might impact traders and investors? Is it possible for AI systems to make mistakes or act in unpredictable ways, leading to financial losses? Additionally, how do we ensure that AI trading algorithms are transparent and fair, preventing any potential biases or unethical practices? I'd appreciate a comprehensive overview of the risks and considerations involved in AI trading.