BNB Chain Plans New High-Speed Layer 1 Network With 200-Millisecond Blocks

BNB Chain's planned high-speed Layer 1 network targeting 200-millisecond blocks and a public testnet in late 2026.

BNB Chain is planning a new high-speed Layer 1 blockchain designed to operate alongside BNB Smart Chain, with a focus on high-frequency trading and real-time payments. According to Coin Bureau, the planned network will be compatible with the Ethereum Virtual Machine (EVM), connect to BNB Smart Chain through a native bridge and use BNB for gas fees, staking and governance.

Changpeng Zhao (CZ) summarized the approach with the phrase, “Multiple chains, one coins.” The plan outlines a multi-chain strategy intended to expand the BNB ecosystem while maintaining a connection between the new network and BNB Smart Chain.

New Network Targets Faster Transaction Processing

The proposed Layer 1 network is targeting block times of 200 milliseconds and pre-confirmations in 20 milliseconds. These targets are intended to support applications that require rapid transaction processing, particularly high-frequency trading and real-time payments.

Block times refer to the intervals at which a blockchain produces new blocks, while pre-confirmations are signals that a transaction is expected to be included before final confirmation. The planned 200-millisecond blocks and 20-millisecond pre-confirmations indicate an emphasis on responsiveness, although the figures are targets rather than evidence of performance on a publicly available network.

The network is expected to run alongside BNB Smart Chain rather than replace it. Its EVM compatibility is intended to support compatibility with Ethereum-based development tools and applications, while a native bridge would provide a connection between the two networks.

BNB to Remain Central to Gas, Staking and Governance

BNB will serve three stated functions on the planned network: paying gas fees, supporting staking and participating in governance. This arrangement would preserve a role for the BNB token across the proposed chain's transaction and network-participation mechanisms.

The native bridge is another central part of the design, linking the new Layer 1 with BNB Smart Chain. However, the information shared by Coin Bureau does not specify the bridge's technical architecture, security model or operating details.

Planned features also include native account markets abstraction and onchain privacy pools. Account abstraction can enable more flexible ways for users to manage accounts and authorize transactions, while privacy pools are designed around onchain privacy mechanisms. The source did not provide further technical specifications for how either feature would be implemented on the new network.

Development Timeline Points to Late 2026 Testnet

Development has progressed to an internal multi-validator development network, according to Coin Bureau. A multi-validator devnet allows development teams to test a blockchain with multiple validator participants before opening a network to broader external testing.

The current roadmap targets a public testnet for late 2026, followed by a mainnet launch in early 2027. These are planned milestones, not confirmed launch dates, and the source did not provide a more specific schedule.

The proposed network's next major finance milestone is therefore the targeted public testnet in late 2026. Until that stage, its transaction-speed targets, account abstraction, privacy pools and bridge implementation remain part of a project that is still progressing through development.

Writer: Victoria Hale
Technology & Blockchain Writer

Victoria Hale writes about blockchain technology, digital infrastructure, and the intersection of emerging technologies with finance. Her articles explore how new protocols and systems are shaping the evolving digital economy.

She prioritises clarity and accuracy when explaining technical developments to a general audience.

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