$BTC
In the dynamic universe of cryptocurrencies, a "BTC currency pair" usually refers to the quotation of Bitcoin (BTC) against another cryptocurrency or fiat currency. For example, "BTC/USD" represents the value of one Bitcoin in US dollars, while "BTC/ETH" would indicate how many Ethereum are needed to buy one Bitcoin. These pairs are fundamental in the cryptocurrency exchange markets as they allow traders and investors to understand the price relationships between different digital assets and carry out buy or sell operations. The constant fluctuation of these pairs reflects supply and demand, market news, and the overall sentiment of participants.