$BNB BNB/USDT represents the trading pair between Binance Coin (BNB) and Tether (USDT) on cryptocurrency exchanges like Binance. BNB is the native cryptocurrency of the Binance ecosystem, used for trading fee discounts, participating in token sales, and paying for services within the Binance Smart Chain (BSC). USDT is a stablecoin pegged to the US dollar, making it a common trading pair for many cryptocurrencies.