What is the role of cryptocurrency experts in crypto investigations?
As a practitioner in the field of cryptocurrency and finance, I'm curious to understand the intricate role that cryptocurrency experts play in crypto investigations. Could you elaborate on the specific skills and knowledge they possess that enable them to assist in these intricate cases? Do they specialize in analyzing blockchain data, tracing digital transactions, or identifying illicit activities? How do they collaborate with law enforcement and other relevant agencies to ensure that justice is served? Additionally, what challenges do they often face in their investigations, and how do they overcome them? A detailed overview of their involvement would be greatly appreciated.