$BTC Bitcoin (BTC) is the leading cryptocurrency and a cornerstone of digital finance. As a coin pair, BTC is commonly traded against other cryptocurrencies like ETH (Ethereum), USDT (Tether), and altcoins, offering vast opportunities for traders and investors. BTC pairs are essential for price discovery and liquidity in the crypto market. Because Bitcoin is widely accepted and has a high market cap, it often acts as a base currency in many exchange listings. Traders watch BTC closely for market trends, as its movement can significantly influence other coins. Whether you're day trading or holding long-term, understanding BTC pair dynamics is key to navigating the volatile crypto space. Always conduct thorough analysis before entering any BTC-based trades.