Two central figures behind the cryptocurrency Ponzi scheme known as IcomTech have been sentenced to substantial prison terms.David Brend and Gustavo Rodriguez received prison sentences of 10 and 8 years, respectively, for conspiracy to commit wire fraud.IcomTech masqueraded as a cryptocurrency mining and trading firm, defrauding investors out of millions of dollars.The scheme collapsed in 2019, and both individuals will also face restitution and forfeiture determinations.