A former Coinbase Global Inc product manager and his brother pleaded not guilty on Wednesday to wire fraud charges in what US prosecutors called the first insider trading case involving cryptocurrency. Ishan Wahi, 32, the former product manager, was arrested last month in Seattle on charges he shared confidential information with his brother Nikhil and their friend Sameer Ramani about forthcoming announcements of new digital assets that Coinbase would allow users to trade. Nikhil Wahi also pleaded not guilty during an arraignment on Wednesday in Manhattan federal court before US District Judge Loretta Preska. Ramani, ... (full story)