By CCN Markets: Facebook has too much power to engage with a cryptocurrency, a United States senator has warned, days after the social media giant launched Libra. Sherrod Brown, a Democratic senator from Ohio, told Bloomberg TV that the public has increasing concerns around the social network. Facebook is too big and too powerful. I don’t know that people would have said that two or three or five years ago, but the public increasingly believes they’re too big and too powerful, particularly to engage in a risky cryptocurrency. Running a cryptocurrency system out of a Swiss bank is a big  Read more...