$BTC BNB is used to pay trading fees on the Binance exchange platform with a discount, and it is also widely used in the Binance Smart Chain (BSC) ecosystem for transactions, DeFi applications, NFTs, and more.
It started as an ERC-20 token on Ethereum but later migrated to its own blockchain (Binance Chain then Binance Smart Chain).
BNB has become one of the leading cryptocurrencies by market capitalization.
Would you like more information on how to buy it or what it is used for today?