(Reuters) -A federal judge in Manhattan on Wednesday said the U.S. securities regulator's lawsuit against Coinbase can move forward, but dismissed one claim the agency made against the largest U.S. cryptocurrency exchange. U.S. District Judge Katherine Polk Failla partly granted Coinbase's motion to dismiss the Securities and Exchange Commission's lawsuit alleging the company is flouting its rules. While the decision is a partial win for Coinbase in what could be a lengthy and expensive court battle, it largely blesses the SEC's approach to cryptocurrency and agrees with other judges who have sided with the regulator.