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The BNB coin is the native cryptocurrency of the Binance platform, launched in 2017 to serve as a utility within the platform's ecosystem. BNB is used to pay trading fees at a discounted rate, and it can also be utilized in other services such as decentralized trading (Binance DEX), decentralized finance (DeFi) projects, and purchasing products and services from Binance partners. BNB plays an important role in the Binance Smart Chain ecosystem, where it is used as fees for transactions and smart contracts. Due to its multiple use cases and the strength of the Binance platform, BNB is one of the largest cryptocurrencies by market capitalization and enjoys broad trust from investors and users around the world.