Why are all trading pairs displayed as XXX-USD in the Unified USD Orderbook? For simplicity and clarity, all trading pairs in the Unified USD orderbook are displayed as XXX-USD. This unified representation eliminates confusion about which stablecoin is being used while keeping the focus on the trading asset.5. Are there any additional fees for using a specific stablecoin in the Unified USD Orderbook? No additional fees are applied based on your choice of stablecoin.

USD-margined futures are expressed as XXX/USD UM.What settlement currencies are supported? Supported settlement currencies: USD, USDC, and USDG.How do I change the settlement currency? You can select different settlement currencies by going to your sub-account > trade settings > USD-M settlement currency. You can't change the settlement currency if you have open orders or positions in USD-margined futures. If you haven’t made a selection, USD will be used as the settlement currency by default.

Selecting the star icon next to a currency pair in the currency selection section of the product menu will instantly add that pair to your favorites. OTC Block Trading only supports saving currency pairs as favorites, not individual instruments.How do I add a counterparty to my favorites?