$BTC
BTC/USDT – Bitcoin traded against Tether, the most active BTC pair on almost every exchange
BTC/USD – Bitcoin priced in US Dollars (fiat pair), widely available and highly liquid
BTC/ETH – BTC paired with Ethereum, one of the earliest and highest-volume crypto-to-crypto pairs
BTC/BNB – Bitcoin traded against Binance Coin, popular on Binance and other platforms
BTC/XRP, BTC/LTC, BTC/DOGE, BTC/ADA, BTC/SOL – Common altcoin pairs used by traders to move between Bitcoin and other major projects