According to Coinbase International Exchange on Twitter, traders can now use 13 newly approved assets—including DOGE, SUI, and LTC—as collateral for margin trading on the platform. This expansion increases available trading strategies and liquidity options for users, supporting a broader range of leverage positions and portfolio diversification. The announcement is part of Coinbase's ongoing commitment to enhance user flexibility and market participation, as detailed in their April 29, 2025, update (source: @CoinbaseIntExch).