Bittrex: US users will not be able to trade 32 tokens such as QTUM from June 21st.

According to Bittrex's official announcement, some markets will no longer be open to US customers as of June 21. Non-US customers of Bittrex International are not affected. The market in the picture will transition to Bittrex International on June 21, 2019, including 32 tokens including ADT, CMCT, GO, QTUM. Bittrex officially said, “Like other industry players, we will continue to advocate laws and regulations that promote innovation.