What is on-chain analysis of crypto money laundering?
Could you elaborate on the concept of on-chain analysis in the context of cryptocurrency money laundering? Specifically, how does this technique work and what insights does it provide investigators? Does it involve analyzing transaction patterns, identifying suspicious addresses, or both? Additionally, how effective is on-chain analysis in detecting and preventing crypto money laundering, and what challenges does it face? I'm particularly interested in understanding its role in the broader fight against financial crime in the digital asset space.