Investors mined more than 81 million HempCoin securities through late 2017 and sold it on two cryptocurrency exchanges, according to Finra.
source https://www.google.com/url?rct=j&sa=t&url=http://www.investmentnews.com/article/20180911/FREE/180919983/finra-makes-its-first-cryptocurrency-bust&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFQjloY10falAAPbB7bQyh95KC0kQ