$BTC BTC (Bitcoin) coin pairs refer to the trading pairs available on cryptocurrency exchanges, where Bitcoin is paired with another cryptocurrency or fiat currency. Some common BTC pairs include:

1. BTC/USDT (Tether)

2. BTC/USD (US Dollar)

3. BTC/ETH (Ethereum)

4. BTC/BNB (Binance Coin)

These pairs allow traders to buy or sell Bitcoin in exchange for the paired asset. Would you like to know more about trading Bitcoin or specific pairs?