Bitcoin Takes a Dip as SEC Demands Exchanges to Register In the ongoing saga of how U.S. regulators will ultimately handle cryptocurrency the SEC yesterday said it will require digital asset exchanges to register causing Bitcoin to dip below $10,000.   Cryptocurrency Defined as Securities The SEC released a statement that said online platforms trading in digital assets are considered securities under existing guidelines and therefore must register with the agency.   The SEC statement reads as follows.   “If…