On Tuesday, Cameron Winklevoss, co-founder of cryptocurrency exchange Gemini and one of the famous Winklevoss twins, took to Twitter to post an open letter to Barry Silbert, CEO of Digital Currency Group (DCG) and founder of Grayscale Genesis Global Trading, a New York-based digital currency firm, is claimed by Cameron Winklevoss to be in debt … Continue reading Winklevoss and Grayscale Founder Twitter Clash