#BounceBit BB is the main utility coin of the BounceBit ecosystem, and it enables holders to participate in the platform's dual-token proof-of-stake mechanism, rewarding validators and bolstering network security. $BB also serves as payment for transaction fees and executing smart contracts. Additionally, it allows token holders to vote on crucial protocol changes, such as software upgrades, and functions as both a medium of exchange and a reserve of value within the platform’s infrastructure.