The exchange rate of a cryptocurrency is determined by its supply and demand, as well as the fluctuations in its value against fiat currencies. The best way to keep up with the current exchange rate of a cryptocurrency is to check regularly on one or more popular online exchanges, such as Coinbase. You can also track the price on various websites that specialize in tracking cryptocurrency prices, such as CoinMarketCap and CryptoCompare. Lastly, you can follow the news and announcements from the cryptocurrency’s development team and other sources to get insight into the possible direction of its value.