$BNB BNB has four main functions: First, it serves as a discount tool for trading fees, allowing holders of BNB to enjoy fee discounts; Second, it is used to participate in Launchpad projects on the Binance platform, providing opportunities to obtain new token distributions; Third, it supports the Binance Chain and Binance Smart Chain ecosystem, used for paying transaction fees and executing smart contracts; Fourth, it is accepted by multiple merchants and service providers as a payment tool for purchasing goods and services. These functions make BNB play an important role in the Binance ecosystem and the broader cryptocurrency market.