The U.S. Department of the Treasury has imposed sanctions on a former Olympic medalist accused of operating a global criminal organization using cryptocurrencies. Dubbed a 'Modern-Day Pablo Escobar,' the individual allegedly utilized digital currencies to support narcotrafficking, arms smuggling, and human trafficking across continents. The Treasury emphasized the role of cryptocurrencies in facilitating anonymous illicit activities, prompting renewed calls for stricter regulations and international collaboration to address crypto-related crimes.