BNB is the native currency of the Binance Chain, used to power on-chain transactions, pay transaction fees on the Binance Exchange, make payments in the store, and more.
Binance Coin is the cryptocurrency of the Binance platform. It is a trading platform exclusively for cryptocurrencies. The name "Binance" is a combination of binary and finance.
Thus, the startup name shows that only cryptocurrencies can be traded against each other. It is not possible to trade crypto currencies against Fiat. The platform achieved an enormous success within a very short time and is focused on worldwide market with Malta headquarters. The cryptocurrency currently has a daily trading volume of 1.5 billion - 2 billion US dollars and is still increasing.