Winklevossâ Gemini buys carbon credits to cut Bitcoinâs CO2 footprint Gemini has partnered with a nonprofit to purchase carbon permits from government-related cap-and-trade markets and erase them from circulation. 4319 Total views News Gemini, a major cryptocurrency exchange founded by Cameron and Tyler Winklevoss, is responding to Bitcoinâs (BTC) environmental issue by purchasing carbon credits. On Thursday, the company announced its long-term initiative to incorporate climate-conscious measures into its business, launching a collaboration with Climate Vault, a nonprofit founded at the University of Chicago. Through the initiative, Gemini plans to purchase carbon credits for nearly 350,000 metric tons of carbon to offset non-renewable energy consumed by Bitcoin miners and help decarbonize Bitcoin on the Bitcoin network.