$BTC Here are some popular Bitcoin (BTC) trading pairs:
Stablecoin Pairs
BTC/USDT: Bitcoin to Tether, a stablecoin pegged to the US dollar
Altcoin Pairs
BTC/ETH: Bitcoin to Ethereum
BTC/DOGE: Bitcoin to Dogecoin
BTC/LTC: Bitcoin to Litecoin
BTC/XLM*: Bitcoin to Stellar Lumens
Other Pairs
BTC/FDUSD: Bitcoin to First Digital USD
BTC/USD: Bitcoin to US Dollar