$BTC Bitcoin (BTC) is the most widely traded cryptocurrency and is paired with numerous other coins on global exchanges. A coin pair like BTC/ETH or BTC/USDT represents the value of one coin relative to Bitcoin. For example, BTC/USDT shows how many Tether (USDT) are needed to buy one BTC. These pairs allow traders to exchange BTC for other cryptocurrencies or fiat-pegged assets. BTC pairs are central to crypto trading due to Bitcoin’s high liquidity and market dominance. Popular exchanges like Binance, Coinbase, and Kraken offer a wide variety of BTC coin pairs, making it a critical component of crypto market activity.