Binance Coin (BNB) is an exchange token issued by Binance, and is also the utility token of the Binance Smart Chain. As Binance develops into the top three crypto exchanges in the world in terms of trading volume, along with the endless ecological applications on its smart chain, BNB has become the third largest cryptocurrency after Bitcoin and Ethereum. This article will have a detailed introduction of BNB’s history and the huge Binance ecosystem behind it.