The ex-CEO of Gaw Miners, a cryptocurrency mining company, was sentenced to prison for defrauding investors via a Ponzi scheme.
source https://www.google.com/url?rct=j&sa=t&url=https://www.livebitcoinnews.com/cryptocurrency-mining-ceo-sentenced-to-prison/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHn6wJbnPcpWG2JZ7NPOfFRGnfyGw
