Crypto exchange Bittrex Global is winding down its operations. What Happened: Starting Dec. 4., the exchange will disable all trading activities on its platform and users will only have the option to withdraw their assets, signaling the beginning of the platform’s winding down process. Bittrex assured users that all funds and tokens remain secure on the platform and can be withdrawn. Users will be unable to directly withdraw USD holdings. Those with USD balances are required to convert these into either EUR or cryptocurrencies before they can proceed with withdrawals. This conversion must be c…