Firm backed by Shark Tank's Kevin O'Leary makes unusual investment [https://www.thestreet.com/.image/t_share/MjE0NDgwNTAwNTc0NjU5NjA3/kevin-oleary.jpg] Firm backed by Shark Tank's Kevin O'Leary makes unusual investment Kevin O'Leary-backed crypto mining firm Bitzero secures $25 million in funding. [https://www.thestreet.com/crypto/markets/firm-backed-by-shark-tanks-kevin-oleary-makes-unusual-investment]
