What is cryptocurrency fundamentals?

Could you elaborate on the fundamentals of cryptocurrency? I'm curious to understand the CORE principles and concepts that underlie this emerging financial technology. Specifically, I'd like to know about the basic tenets of cryptocurrency, including how it differs from traditional fiat currencies, the role of blockchain technology, and the key factors that drive its value. Additionally, I'm interested in learning about the risks and challenges associated with investing in cryptocurrency, as well as potential strategies for mitigating those risks. Your insights would be greatly appreciated.