World Chain has become the first production Layer-2 network to deploy streaming Block Access Lists through Flashblocks. The upgrade allows validators to verify transactions while blocks are still under construction instead of waiting for completion.
Consequently, the network can process significantly higher throughput without demanding stronger validator hardware. The approach also supports the broader goal of scaling blockchain performance while preserving network efficiency and decentralization.
Parallel Validation Improves Network Performance
The new system divides each two-second block into 200-millisecond Flashblocks. Additionally, every Flashblock carries a matching Block Access List segment that identifies affected accounts and storage changes. Validators use this information to process multiple transactions simultaneously instead of following the traditional sequential method.
Hence, they can prepare state data early, calculate state roots in parallel, and detect inconsistencies almost immediately. This design distributes validation work evenly throughout block production, reducing delays at finalization.
Benchmark Results Highlight Scalability
World Chain tested the technology under storage-intensive workloads using standard cloud infrastructure. Moreover, validators maintained real-time performance as throughput increased from 1.7 million gas per second to one gigagas per second.
Validation latency eventually stabilized instead of rising with heavier transaction loads. Significantly, testing showed the sequencer and load generator reached their limits before validator performance declined, highlighting the system’s ability to support future network expansion.
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