BNB, which stands for Binance Coin, is a cryptocurrency that is used on the Binance exchange. The value of BNB is determined by market forces such as supply and demand, trading volume, and investor sentiment. BNB's price in the market is calculated by multiplying the current price of one BNB by the total circulating supply of BNB tokens. The price of BNB can fluctuate frequently due to market conditions.