$BNB "$BNB" refers to the Binance Coin, which is the native cryptocurrency of the Binance ecosystem.

Binance Coin (BNB) is used for various purposes within the Binance ecosystem, including:

1. *Trading fees*: BNB can be used to pay for trading fees on the Binance exchange, often with a discount.

2. *Transaction fees*: BNB is used to pay for transaction fees on the Binance Smart Chain (BSC).

3. *Staking and validation*: BNB is used for staking and validation on the BSC.

4. *Payment*: BNB can be used as a form of payment for various services and merchants within the Binance ecosystem.

BNB has become one of the most widely-used and recognized cryptocurrencies