BSC Deploys Pasteur Upgrade, Strengthening Verification and Boosting Block Capacity

TL;DR

• BNB Smart Chain activated Pasteur, combining three proposals that strengthen bridge verification, validator authorization and block-building efficiency without changing its 450-millisecond block time.
• BEP-675 lets builders submit already-executed blocks, while validators check consensus rules before completing full execution verification, reducing duplicated work.
• QANet tests showed throughput rising about 88% from 1,237 to 2,324 transactions per second, though BNB Chain stressed that these were controlled tests rather than mainnet performance measurements.

BNB Smart Chain has activated its Pasteur hard fork, combining three BNB Evolution Proposals aimed at closing bridge verification gaps, tightening validator authorization and increasing block capacity without changing the network’s 450-millisecond block time. BEP-682 rejects duplicate validator entries during cross-chain light-block verification, while BEP-695 strengthens controls around key rotation, slashing and governance voting. The upgrade’s core message is unusually broad: BSC is trying to improve security and throughput at the same time. Old validator keys lose authority, restricted addresses cannot vote, and duplicate validators can no longer be counted twice in bridge approvals.

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