Europol estimates that criminals in Europe generate $140 billion in illicit proceeds annually, of which about 3 or 4 percent – $4 billion to $6 billion – is being laundered via cryptocurrencies. Bitcoin’s recent price volatility has led many cybercrime gangs to drop bitcoin in favor of these and other alternatives, including litecoin, dash and bitcoin cash. Europol’s most recent Internet Organized Crime Threat Assessment warned: While the abuse of bitcoin remains a key enabler for criminal conduct on the internet, other cryptocurrencies are beginning to emerge in the digital underground.”]
Source: https://www.cuinfosecurity.com/criminals-hide-billions-in-cryptocurrency-europol-warns-a-10653