BNB Chain’s Fermi Hard Fork Goes Live, Slashing Block Times to 0.45s as Onchain Load Surges
Key Takeaways:Fermi Goes Live: What Changed on BNB Smart ChainInside the Fermi Upgrade: Key Technical ChangesValidators and Node Operators
All BSC mainnet nodes were required to upgrade to v1.6.4 ahead of activation. On first startup after the upgrade, nodes trigger snapshot regeneration and log indexing.
Operators should expect:
- Temporary performance impact during snapshot regeneration
- Increased CPU usage during initial log indexing
- Tighter timing requirements for networking and disk I/O
On reference hardware, snapshot regeneration took roughly five hours, making planning and monitoring essential. No contract changes are required for compatibility. However, faster block times can affect tooling and assumptions.
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