$BTC Here are some popular Bitcoin (BTC) trading pairs:

Fiat Pairs

1. BTC/USD (US Dollar)

2. BTC/EUR (Euro)

3. BTC/GBP (British Pound)

Crypto Pairs

1. BTC/USDT (Tether)

2. BTC/ETH (Ethereum)

3. BTC/LTC (Litecoin)

Exchange Options

1. Binance

2. Coinbase

3. Kraken

When trading BTC, consider factors like market volatility, liquidity, and fees.