TUSD (TrueUSD) and USDT (Tether) are now available for use as collateral for derivative positions on EMX. The USD value of your BTC, ETH, TUSD, USDT, and EMX balance will be used to compute your accounts net liquidation value and available margin. TUSD/USDT deposits and withdrawals are now available.
Read more about EMX's support for multiple collateral types here. We will be adding support for additional collateral tokens in the near future.