Cryptocurrency can be transferred quickly and largely anonymously, with police saying that in some cases virtual currency was used to pay for illegal ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.japantimes.co.jp/news/2019/02/28/national/crime-legal/cases-money-laundering-linked-cryptocurrency-japan-tenfold-2018/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHK-5h_1HYlH644l_hJatJE2Zl6gQ
