BNB Chain to activate Pasteur hard fork on August 25 with throughput upgrades

BNB Chain will activate its Pasteur hard fork on August 25, 2026, at 02:30 UTC, introducing several technical improvements to BNB Smart Chain. The upgrade enhances bridge verification mechanisms and implements improved validator key rotation procedures, alongside changes designed to increase block utilization. Testnet performance metrics show throughput nearly doubling, rising from 1,237 to 2,324 transactions per second.

Node operators supporting the network must upgrade to version 1.7.7 to remain compatible with the fork. The upgrade represents a scheduled maintenance event aimed at strengthening chain security and capacity.

• Pasteur hard fork launches August 25, 2026, with enhanced bridge security and validator key management features.
• Testnet throughput projected to increase from 1,237 to 2,324 TPS following the upgrade.
• Node operators must update to version 1.7.7 to maintain network participation.