A co-founder of the fraudulent 2017 ICO Centra Tech has been sentenced to eight years in prison for his role in the scheme.
Source: https://cointelegraph.com/news/co-founder-of-floyd-mayweather-promoted-ico-sentenced-to-8-years
Co-founder of Floyd Mayweather-promoted ICO sentenced to 8 years
March 5, 2021
CoinTelegraph