Speaking to Fox News regarding the new Bitcoin futures market now giving disbelievers the ability to bet against Bitcoin, Cameron Winklevoss said:Jamie Dimon is JP Morgan Chase's CEO, and famously said back in October:Recently the Wall Street Journal reported on rumors that JP Morgan is looking into giving their clients access to Bitcoin futures through CME Group.No word on if Dimon will "put his money where his mouth is".The Winklevoss twins are the founders of the Gemini exchange, but better known as the twins who sued Mark Zuckerberg claiming they were the actual creators of facebook, as seen in the movie "The Social Network".