How do police track Bitcoin?

As a professional practitioner in the field of cryptocurrency and finance, I'm often asked how police track Bitcoin transactions. Given the anonymous nature of Bitcoin, it's a complex process. Firstly, police rely on blockchain analysis tools to track the flow of coins. These tools can visualize the transaction history and help identify patterns. Secondly, they work with exchanges and wallet providers who are legally obligated to provide information on suspicious accounts. Additionally, police utilize forensic accounting techniques to analyze financial data and identify links between transactions. However, it's important to note that Bitcoin's anonymity makes tracking challenging, and many transactions remain untraceable. Overall, a combination of technological tools, legal obligations, and investigative techniques is used to track Bitcoin, but it's not always successful.