According to Federal Election Commission records on Monday, Gemini founders Tyler Winklevoss and Cameron Winklevoss each donated $250,000 to Trump's super PAC. On June 22, the Trump presidential campaign returned some of the funds to Gemini co-founders Cameron Winklevoss and Tyler Winklevoss after the two made donations (worth $1 million in bitcoin) that exceeded the legal limit allowed by U.S. federal law.