BlockBeats news, June 18, according to CoinDesk, David Hirsch, a senior member of the U.S. Securities and Exchange Commission's cryptographic supervision department, posted a message on LinkedIn on Monday saying that he had resigned. Hirsch served as the head of the Crypto Assets and Network Division of the U.S. Securities and Exchange Commission's Enforcement Division. David Hirsch said in the post that last Friday was his last day at the SEC after nearly 9 years.