SAN DIEGO, Feb. 17, 2021 (GLOBE NEWSWIRE) -- GreenBox POS (NASDAQ:GBOX ) (the 'Company') previously (OTCQB:GRBX), an emerging financial technology company leveraging proprietary blockchain security to build customized payment solutions today announced the pricing of an underwritten public offering of 4,150,000 shares of common stock at a public offering pr