BounceBit has decided to permanently disable BounceBit Chain after an attacker exploited an authorization vulnerability in the Evmos-based protocol, transferring 286.5M BB from nine mainnet accounts across 14 transactions.

The exploit was caused by a protocol-level authorization flaw and did not involve private key leaks, wallet compromises, or exchange breaches. BounceBit’s CeDeFi Strategy, Promo Vaults, Prime, and RWA products were not affected.

BounceBit will reissue BB as a BEP-20 token on BNB Chain, using a snapshot from block 20,697,260, taken immediately before the attack.

The stolen 286.5M BB will not be included in the new supply, while users’ liquid and staked balances at the snapshot will be restored automatically.

No action is currently required from holders. BounceBit says there is no claim or migration process, and users should avoid any links or messages asking them to connect wallets, migrate tokens, or verify their accounts.

The decision permanently ends BounceBit’s standalone chain, with the project citing stronger security, liquidity, infrastructure, and user activity on BNB Chain as key reasons for the move.

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