
Cameron Winklevoss, cofounder of digital token exchange Gemini, has issued Barry Silbert a one-week ultimatum to cough up nearly $1 billion.
The crypto baron behind unlisted Digital Currency Group (DCG), owner of entities from Bitcoin ETF fund manager Grayscale to news site CoinDesk, must find a solution to make Gemini users whole, and he has until Jan. 8 to do so.