$BNB Binance Coin (BNB) is a cryptocurrency created by Binance, one of the largest and most popular cryptocurrency exchanges globally. Originally launched in 2017 as an ERC-20 token on the Ethereum blockchain, it has since transitioned to Binance's own blockchain, Binance Chain. BNB is used to pay for trading fees on the Binance Exchange, and users who utilize it for this purpose often receive discounts. Beyond its use within the exchange, BNB has expanded its utility to various platforms and services, making it a versatile digital asset within the cryptocurrency ecosystem.