Between 2016 and last year, investors mined more than 81 million HempCoin, which they traded on cryptocurrency exchanges C-Cex and Yobit.
source https://www.google.com/url?rct=j&sa=t&url=https://www.straitstimes.com/business/us-regulators-act-against-cryptocurrency-firms&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNEy9sfCwctjuHOUNyIbqMhrCvZS4w
