$BTC The BTC coin pair is a highly liquid and widely traded cryptocurrency pairing. Bitcoin (BTC) is paired with various fiat and digital currencies, including the US dollar (BTC/USD), euro (BTC/EUR), and Ethereum (BTC/ETH). The BTC pair is known for its high volatility, making it attractive to traders and investors. Market sentiment, adoption rates, and regulatory developments influence its price. As the largest cryptocurrency by market capitalization, BTC's price movements are closely watched by market participants, impacting the broader crypto market's trends and directions, and often setting the tone for other cryptocurrencies.