Omar Marques | Lightrocket | Getty ImagesAn Alabama man pleaded guilty Monday in federal court in Washington, D.C., in connection with last year's hack of the U.S. Securities and Exchange Commission's X account, which was used to falsely claim the agency had officially approved exchange-traded funds for bitcoin.Eric Council Jr. admitted to conspiring with others who took control of the SEC's X account, according to the Department of Justice.Council, a 25-year-old resident of Athens, was arrested...