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The BNB Smart Chain (BSC) is preparing for the Fermi hard fork, the update will go live on January 14, 2026, at 02:30 AM UTC.
Author: Sahil Thakur
Published On: Tue, 30 Dec 2025 05:48:58 GMT
30th December 2025 – The BNB Smart Chain (BSC) is preparing for a major network upgrade. Known as the Fermi hard fork, the update will go live on January 14, 2026, at 02:30 AM UTC. This upgrade is designed to improve performance, reduce transaction latency, and strengthen network efficiency.
Fermi is a mandatory and backward-incompatible hard fork. That means all nodes must upgrade by the activation time. Those that do not will fall out of sync with the network.
The upgrade has already been tested on the BSC testnet, which activated the fork on November 10, 2025. Now, the focus shifts to the mainnet implementation.
The Fermi fork introduces five major changes through a series of Binance Evolution Proposals (BEPs). These aim to boost speed, lower latency, and streamline node operations. Here’s a breakdown:
Together, these upgrades aim to make BSC more efficient for high-frequency use cases like trading, stablecoin transfers, and liquidations.
Only node operators, validators, and developers need to take action. They must upgrade to client version v1.6.4 or v1.6.5 before January 14 to stay in sync. The previous testnet version was v1.6.2.
Regular users and dApp users do not need to take any action.
Shorter block times will improve BSC’s performance across all key metrics. Confirmations will be faster. Transaction costs will remain stable. Network efficiency will improve without altering gas fees or tokenomics.
Faster block production could attract more DeFi, gaming, and trading applications. Developers and institutions may also benefit from the better performance and stability.
If nodes fail to upgrade in time, they could experience desynchronization. There’s also a temporary risk of validator strain as the network adjusts to the new 450ms block interval. However, several BEPs aim to reduce that impact.
Post-fork, BSC will monitor throughput, latency, and error rates to ensure the upgrade delivers as expected.
BNB Chain has published detailed instructions for all node operators. Anyone participating in network consensus must follow the configuration changes before the deadline. The documentation also outlines testing protocols and safety checks.
The Fermi hard fork represents another major step in BSC’s push for scalable, low-latency blockchain infrastructure. With the upgrade, BSC aims to strengthen its position in the competitive Layer-1 space, especially for high-throughput dApps and DeFi ecosystems.
Real voices. Real reactions.
@BNBCHAIN Shorter blocks usually surface longer debates
@BNBCHAIN nice on the heads up. anyone not running the supported version gonna feel this for sure.
@BNBCHAIN Cutting block times to 450ms is a serious performance upgrade. Speed is the ultimate feature.
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