The U.S. Securities and Exchange Commission (SEC) has said it will review the disapproval orders for nine bitcoin ETFs issued on Wednesday. As CoinDesk previously reported, SEC staffers rejected proposals from three companies – Proshares, GraniteShares and Direxion – in a triple-set of orders published late yesterday. Now, according to the letters, senior SEC officials will review those orders, though it's unclear at this time when the review will be completed. As SEC secretary Brent Fields wrote in a letter addressed to NYSE Group senior counsel David De Gregorio: "This letter is to notify you that, pursuant to Rule ... (full story)