$BTC A coin pair involving BTC (Bitcoin) refers to a trading pair on cryptocurrency exchanges where Bitcoin is exchanged against another cryptocurrency, such as ETH/BTC or LTC/BTC. This allows traders to buy or sell Bitcoin in terms of another digital asset, rather than fiat currency. BTC pairs are among the most popular and liquid on exchanges, reflecting Bitcoin's dominance in the crypto market. By trading BTC pairs, investors can speculate on the relative value of cryptocurrencies, diversify their portfolios, and take advantage of market opportunities. These pairs are essential for crypto arbitrage, portfolio balancing, and strategic trading decisions.