BNB Chain announced that the BNB beacon chain Barral is expected to undergo a hard fork upgrade at block height 310,182,000, that is, a hard fork will be performed at 15:00 on April 21, Beijing time. Full node operators on the mainnet must switch the software version to v0.10.10 before April 21. This hard fork will implement BEP171, which introduces a number of security enhancements for the cross-chain bridge between BNB Beacon Chain and BNB Smart Chain, including: upgrading the IAVL proof verification to the ICS23 specification, and applying timing for cross-chain transfers of massive funds The cross-chain channel can be automatically suspended through forgery proof detection, and any validator can suspend the cross-chain channel in case of emergency.