Refused to support Bitcoin-Gold: Coinbase and GDAX with Bittrex. Did not support BTG and EXMO, and WEX. The reason is the lack of security guarantees when working with BTG. According to the same Bittrex, the information and code base provided by fork bitcoin developers is not in a functional state, and does not meet the necessary safety criteria. Bitcoin Gold was launched on November 12th. The hardware wallets Trezor and Ledger have already been announced for BTG support, while several mining pools have stopped the production of crypto currency.