$BTC As of June 21, the BTC coin pair remains one of the most actively traded on global cryptocurrency exchanges. Bitcoin (BTC), the leading digital asset by market capitalization, continues to serve as a benchmark for the broader crypto market. BTC is often paired with stablecoins like USDT or fiat currencies such as USD and EUR, enabling traders to monitor market sentiment and execute high-liquidity trades. Recent market trends show moderate volatility, with BTC reacting to macroeconomic signals, ETF news, and regulatory developments. Its dominance in trading volume underscores its central role in crypto portfolios and investor confidence in digital assets.