In an era where digital finance is both a tool for innovation and a battleground for financial and organized crime, this book delves into the exploitation of cryptocurrency for illicit purposes-and how it can be effectively regulated. The author presents a pioneering analysis of the evolving relationship between money laundering, anti-money laundering efforts, and crypto-assets. By focusing on Ireland's Financial Intelligence Unit (FIU), this book examines 2,719 suspicious transaction reports (STRs), expert insights, and legislative developments to introduce a new socio-technical framework for detecting and understanding crypto-laundering. With global relevance for financial intelligence units, regulators, compliance professionals, and law enforcement, this book offers practical strategies and theoretical depth for navigating the intersection of digital finance and financial crime.