The mining firm will use the funding to buy 14,000 rigs – 8,000 for itself and 6,000 to sell.
Mason Jappa is the latest addition to Riot's changing boards of directors and advisors.
Founder, CEO of Blockware Solutions and Blockware Mining, D’Souza passed away on Aug. 21 following a seven-year fight with leukemia.
The mining company will use the funding to expand its operations in the U.S.
Cryptocurrency mining computer-maker Canaan Inc. may have picked the worst time for its initial public stock offering.