BNB Chain Activates "Pasteur" Hard Fork on BSC Mainnet, Rolling Out Three Major Upgrades

AI Market Summary
BNB Chain's Pasteur hard fork is live on BSC mainnet, delivering security and performance upgrades. BEP682 and BEP695 close bridge verification and validator governance loopholes, reducing exploit and bypass risk, while BEP675 cuts redundant validator computation. Testnet results indicate materially higher throughput (1,237 to 2,324 TPS) without changing block speed or gas fees, supporting improved network capacity and reliability.
Impact level
● Medium
Affected assets
BNB/USDT+2.57%
AI Insight · BNB/USDTAI Insight
▲ Bullish
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BNB Chain has activated the Pasteur hard fork on the BSC mainnet, the project said on X on Aug. 25, according to ChainThink. The upgrade bundles three proposals. BEP682 patches a flaw in cross-chain bridge verification that could allow validator signatures to be counted more than once. BEP695 standardizes permissioning and slashing rules following validator key rotations, shutting a loophole that previously enabled circumvention of governance voting blacklists. BEP675 enables block builders to submit executed blocks, cutting validator time spent on repetitive computations. Testnet results showed throughput rising to 2,324 TPS from 1,237 TPS, while block production speed and gas fees remained unchanged.