$BTC

Here are more details on the BTC coin pairs:

1. *BTC/USDT*: Bitcoin paired with Tether (USDT), a stablecoin pegged to the US dollar.

2. *BTC/USD*: Bitcoin paired with the US dollar, often traded on cryptocurrency exchanges that offer fiat currency pairs.

3. *BTC/ETH*: Bitcoin paired with Ethereum (ETH), allowing traders to exchange Bitcoin for Ethereum.

4. *BTC/BNB*: Bitcoin paired with Binance Coin (BNB), the native cryptocurrency of the Binance exchange.

These pairs enable traders to buy, sell, or exchange Bitcoin for other cryptocurrencies or stablecoins. Trading pairs can vary depending on the exchange and market conditions.