U.S. regulator stands by decision to block Winklevoss bitcoin ETF
https://www.reuters.com/article/us-bitcoin-etf/u-s-regulator-stands-by-decision-to-block-winklevoss-bitcoin-etf-idUSKBN1KG30J
The U.S. Securities and Exchange Commission on Thursday stood by a decision blocking an exchange-traded fund that would have tracked bitcoin, citing concerns about market manipulation.