World Chain says it will begin streaming full EIP-7928 Block Access Lists, or BALs, inside every flashblock on its mainnet starting Aug. 17. The network describes the rollout as the first production deployment of the feature on a Layer 2 chain.

The change is aimed at speeding up block verification without increasing hardware requirements. According to World Chain, validators will be able to check parts of a block in parallel while that block is still being assembled, with a stated throughput target of up to 1 gigagas per second.

How block verification changes

Before this update, validators typically had to re-execute every transaction in a block one after another before confirming that the block was valid. That sequential process limits how much work can be done at the same time.

BALs change that by providing a record of which accounts and storage slots were accessed during execution. With that information, transactions that do not depend on one another can be verified simultaneously across multiple CPU cores instead of being handled strictly in sequence.

Flashblocks and incremental streaming

World Chain plans to deliver BAL data incrementally through its flashblock system every 200 milliseconds. The idea is to expose execution information continuously as a block is being built rather than waiting until the full block is complete.

The network said this supports near-instant transaction preconfirmations while assembly of the full block continues in the background. In practice, the BAL data is meant to let validators begin verification earlier, reducing idle time in the confirmation process.

Tied to Ethereum’s EIP-7928 roadmap

The feature is based on EIP-7928, an Ethereum improvement proposal that is expected to be part of the Glamsterdam upgrade later this year. By enabling it ahead of that broader Ethereum upgrade, World Chain is moving the mechanism into production on its own Layer 2 environment first.

World Chain said the activation will happen through a runtime flag rather than a hard fork. That means the feature can be switched on without the more disruptive process typically associated with protocol-wide chain splits or coordinated network migrations.

What is new and what is not

World Chain is presenting the rollout as a first for a production Layer 2, specifically in streaming full BALs inside each flashblock on mainnet. The distinction matters because BALs themselves have already been tested elsewhere in the EVM ecosystem.

The source article notes that World Chain is not the first EVM chain to implement or test the concept. BNB Chain has already introduced BALs through BEP-592. The main confirmed next step for World Chain is the Aug. 17 mainnet activation, after which the network’s performance and validator experience can be evaluated under live conditions.

Source: www.theblock.co