SEC Calls Mayweather-Endorsed Firm Fraudulent, Owners Arrested BySimon GolsteinPRO INVESTOR Updated: 04 October 2021 DisclosureWe sometimes use affiliate links in our content, when clicking on those we might receive a commission – at no extra cost to you. By using this website you agree to our terms and conditions and privacy policy. Centra Tech made $32 million from its ICO last year.