A suite of Big Law firms are defending crypto companies sued by the U.S. Securities and Exchange Commission this week, as the commission steps up its enforcement against the crypto industry. Several former SEC government officials who now practice in law firms’ white-collar defense and securities departments are their defense counsel.

Coinbase, sued by the SEC on Tuesday, has turned to Sullivan & Cromwell. Meanwhile, Binance, sued on Monday, is advised by Gibson, Dunn & Crutcher, while its U.S.-based affiliate BAM Trading Services Inc. has turned to Wilmer Cutler Pickering Hale and Dorr. Latham & Watkins is defending their founder, Changpeng Zhao.