Cryptocurrency exchange Bittrex announced that it will block its United States-based users from trading in 32 cryptocurrencies. The exchange revealed the news in a post on its blog on June 7. Per the announcement, after June 21, U.S. traders won’t be able to access a slew of coins listed on the exchange, including QTUM and STORJ. The exchange noted that U.S. users will receive an email with explanations concerning what they are and are not allowed to do with the aforementioned assets. The options cited by the exchange include selling them for assets that will stay available to them, canceling orders and moving them ... (full story)