BNB (Binance Coin) is the native cryptocurrency of the Binance exchange, one of the world’s largest cryptocurrency trading platforms. Initially launched as an ERC-20 token on the Ethereum blockchain in 2017, BNB transitioned to Binance's own blockchain, Binance Chain, in 2019. BNB serves various purposes, including paying for trading fees on Binance, participating in token sales on Binance Launchpad, and staking for network validation. Over time, BNB has grown in popularity and utility, making it one of the top cryptocurrencies by market capitalization. Its value is influenced by the growth of the Binance platform and broader cryptocurrency market trends.