$BNB BNB (Binance Coin) is a cryptocurrency originally launched by Binance, one of the world's largest cryptocurrency exchanges. Initially, BNB was used as a utility token to pay for trading fees on Binance at a discounted rate. Over time, its use has expanded, and it is now utilized for various purposes, including paying for transactions on the Binance Smart Chain (BSC), participating in token sales on Binance Launchpad, and more. BNB is an ERC-20 token but later migrated to its own blockchain, Binance Chain. Its value fluctuates based on demand and market conditions.