BNB Chain Plans Layer 1 for AI Agent Trading

New chain targets faster transaction handling

BNB Chain’s roadmap sets out a performance plan built around lower latency, higher throughput and faster settlement confidence. The proposed chain is also designed to support trading-critical infrastructure by reserving blockspace for services that need priority execution, including oracles, liquidations and bridges.

The proposed chain removes the public mempool and introduces TxStream, a system that routes transactions directly to the block leader instead of exposing them in a public queue. BNB Chain says that design is meant to reduce latency and make common front-running behavior harder by removing the window where pending trades can be observed before execution.

David Z said the design makes a major category of attacks harder but does not remove extraction risk altogether. “TxStream doesn’t eliminate MEV. Nothing does. It makes the dominant attacks impractical by design.”

The direct-routing model creates a different concern: whether the block leader itself could become a point of extraction or censorship. BNB Chain’s answer is rapid validator rotation and fast commitments that make ordering behavior auditable, with the roadmap tying misbehavior risk to potential damage to stake and reputation.

PriorityLane, another planned feature, would reserve blockspace for critical infrastructure services such as oracles, liquidations and bridges. The reserved blockspace would be governed onchain, making it a structured allocation mechanism rather than an informal validator-side preference.

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Execution layer becomes the next bottleneck

BNB Smart Chain improved performance during the first half of 2026, cutting block intervals from 750 milliseconds to 450 milliseconds and increasing benchmark throughput from roughly 2,800 transactions per second to about 5,200 transactions per second. BNB Smart Chain currently holds roughly $5 billion in total value locked.

David Z said the next performance constraint is now the execution layer, not only consensus or storage. “All smart contracts today need optimization directly at the execution layer.”

David Z said current EVM execution repeats too much work when common contracts are run at scale. “The chains got fast at consensus and storage, but the execution engine itself still works like it’s translating sentence by sentence.”

The new network is expected to use co-optimized consensus, parallel execution and LtHash-based storage. It will also use just-in-time compilation, a software technique that compiles code as it runs, and strength reduction, which replaces expensive calculations with simpler computational equivalents.

BNB Chain’s execution-layer approach is aimed at repeated smart contract activity, including frequently used functions such as DEX swaps and token transfers. The roadmap frames those lower-level compiler and execution-engine changes as part of the broader push toward faster onchain trading.

The new chain is also being designed for autonomous AI agents that can trade, make payments and execute transactions without constant human supervision. The roadmap includes native privacy, account abstraction, gas sponsorship, transaction batching, scheduled execution and passkey signing.

BNB Chain is separately researching quantum-resistant security through a hybrid approach that layers post-quantum protection over existing cryptography. David Z said the work remains incomplete across the broader industry. “Nobody in the industry has a complete quantum migration scheme yet, including us.”

David Z said BNB Chain has made post-quantum choices in areas it controls, including a lattice-based LtHash state commitment that he said makes the chain’s state integrity post-quantum today. Account migration remains harder because keeping the same wallet address while changing the signature scheme would require binding the address to an upgradeable authentication policy rather than a fixed key.

David Z also described harvest-now-decrypt-later as an unresolved industry-wide issue because accounts with exposed public keys could become vulnerable if sufficiently powerful quantum computers arrive before quantum-safe migration is available. He said no protocol design can retroactively fix the exposure problem for public keys already revealed before such migration exists.

BNB Chain says the new network is additive

The planned network would become the fourth chain in the BNB Chain stack, joining BNB Smart Chain, opBNB and Greenfield. BNB Chain says the new chain is meant to add specialized execution capacity for use cases BSC was not originally built for.

To address liquidity fragmentation risk, David Z said the new chain will have an official native bridge to BSC. Under the roadmap, BSC would serve as the settlement hub, while BNB would remain the unified asset across every chain in the ecosystem.

David Z said the plan is to expand activity rather than divide it. “The goal is growing the total BNB Chain pie, not re-slicing it.”

The roadmap places BNB Chain in a broader performance race with other high-speed blockchain efforts, including Solana’s Firedancer, Monad and MegaETH. Those projects were mentioned as comparable efforts pursuing parallelization, throughput or execution-speed gains.

The central unresolved issue is whether BNB Chain can prove its roadmap targets outside planning documents. The most ambitious figures remain design targets until the new chain reaches public testnet and then mainnet.