BNB Chain announced that its much awaited Fermi Hard Fork will be released on Jan 14, 2026. The new features will include fast blocks, stability improvement, and new EVM improvements to the blockchain community.
Important: the Fermi Hard Fork upgrade on the BSC mainnet is scheduled for activation.🔸 Date & Time: 14 Jan 2026, 02:30 AM (UTC)🔸 Supported Releases: v1.6.4 and v1.6.5It is mandatory for all validators and builders to complete the upgrade prior to the fork activation.… pic.twitter.com/ZkdSCUDR2k
— BNB Chain Developers (@BNBChainDevs) December 26, 2025
The upgrade will also introduce the several protocol changes in the effort to achieve the speed, reliability and efficiency in the network. The required software updates have been requested to be done by the validators and builders before the fork can be activated.
The developers of the BNB Chain state that only 1.6.4 and 1.6.5 versions of nodes will be compatible with Fermi upgrade, and the update will be required to people wishing to stay in sync with the mainnet.
About BNB Chain’s New Fermi Hard Fork
A hard fork is introduced as a planned network upgrade that will introduce new rules into a blockchain. Upon activation, every player would be using these rules to remain in the network.
The Fermi Hard Fork is aimed at enhancing performance, and not the cosmetic appearances. It should assist in accelerating, stabilizing and positioning BNB Chain to grow in the future.
These upgrades may not be obvious to the users and they can only be realized in how fast the transactions will be accepted and how well the network can perform during the times of high activities.
Mandatory Upgrade for Validators and Builders
BNB Chain developers have ensured that the upgrading is not a choice. Those who fail to update their nodes ahead of the time of activation run a risk of falling behind the network.
This is a condition that guarantees that consensus does not deteriorate during and after the fork. It also minimizes the possibility of having the network disruptions, which are likely to arise when using outdated software.
To the larger ecosystem, it indicates that BNB Chain is concerned with the absence of disjointed upgrades, and extended reliability.
Key Improvements Included in Fermi
The five Binance Evolution Proposals on the Fermi Hard Fork, which identify the technical changes under execution, are referred to as BEPs.
These suggestions revolve around finality, block speed, efficiency and execution performance.
BEP-590 enhances the voting regulations to accommodate the rapid finality stability.
BEP-619 decreases the block time in its third stage to 0.45 seconds.
BEP-592 proposes block-level access lists, which do not impact consensus.
BEP-593 increases snapshots in an incremental manner to enhance the efficiency of snapshotting.
BEP-610 uses EVM super instructions to achieve improved performance in execution.
These changes combined are meant to enhance the basic infrastructural base of the network.
Impact on Network Speed and Stability
Among the most evident improvements we can mention the decrease of block interval to 0.45 seconds. Quicker blockchain will result in the faster confirmation of transactions and streamlined application operation.
Meanwhile, long rules and snapshots are incremental and long voting rules are meant to stabilize the speed. Such a balance is the key factor that prevents congestion and enables consistent performance.
The changes make BNB Chain situations in a position to deal with larger transaction volumes without compromising the reliability.
What This Signals For the Future Market
The Fermi Hard Fork is a sign of the desire of BNB Chain to expand its infrastructure as it grows. It may well attract even more developers of high performance applications with better execution times and greater block times.
To the wider crypto system, this upgrade is a signal of movement to more concentration on optimization of the base layer rather than the resolution of external scaling.
As they are capable of competing based on speed and stability, upgrades like Fermi may have some influence on developers and users where they will be in the coming years.
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