7Block Labs

by Jay

2025-12-31

12 min read

For a New Rollup Launch, What Proof Verification API Benchmarks Should I Request—Gas, Latency, and Throughput?

> Summary: Launching a new rollup in 2026 means your “proof verification API” is a first‑order cost and UX lever. Here’s exactly what to benchmark for gas, latency, and throughput on Ethereum post‑Pectra/EIP‑2537 and post‑4844, with concret

by Jay

2025-12-31

11 min read

For a Cross-Chain Bridge, How Do Latency Requirements Influence Local Verification vs External zk Verification Layers?

Short version: Your latency SLO decides your bridge architecture. If you need seconds, you’ll lean on external verification layers or DVNs for “soft” security and post-settlement; if you can wait minutes, local on-chain verification (light

by Jay

2025-12-31

12 min read

What Kind of Throughput Benchmarks Should I Expect From Leading Batch Verification SDKs Validating Thousands of Proofs Per Block?

Decision‑makers: this post turns block‑level capacity and SDK‑level microbenchmarks into concrete throughput you can actually budget for on Ethereum and EVM L2s, with hard numbers, emerging practices, and pitfalls to avoid. If you need to v

by Jay

2025-12-31

11 min read

I’m Designing a Bridge: Best Way to Aggregate Thousands of Plonk Proofs With BLS for One On-Chain Attest?

Summary: The fastest, cheapest way in 2026 to collapse thousands of PLONK proofs into a single on‑chain attestation on Ethereum is: verify proofs off‑chain, have a BLS12‑381 committee co‑sign one batch root, and verify that aggregate signat

by Jay

2025-12-30

10 min read

How Can I Aggregate Multiple zkBridge Attestations Into a Single Proof to Cut Gas Fees on Ethereum?

A practical, engineering-first guide to batching zkBridge attestations with recursive proofs, blob-first data pipelines, and BLS-backed attestations—so you slash on-chain gas by 70–99% without compromising security.

by Jay

2025-12-29

10 min read

How Do Modern Proof Aggregation Layers Keep Latency Low When Batching Mixed Plonk, STARK, and zkVM Proofs?

Short description: Proof aggregation layers hit low end-to-end latency by normalizing heterogeneous proofs up front, routing them through parallel queues, chunked recursion trees, and GPU‑pipelined provers, then wrapping to a single cheap o

by Jay

2025-12-29

11 min read

Could You Compare Using EigenLayer AVS vs a Purpose-Built Verifier Network as the Settlement Layer for zkVM Rollup Outputs?

A practical, decision-focused comparison of using an EigenLayer Actively Validated Service (AVS) versus deploying on a specialized verifier network (e.g., Succinct Prover Network, zkVerify) to settle zkVM rollup state roots and proofs—cover

by Jay

2025-12-29

11 min read

What Latency Should I Expect if I Use a BLS Aggregator to Bundle Real-Time Micro-Transaction Proofs Before Settlement?

Short answer for decision-makers: with a well-engineered BLS aggregation pipeline, you can deliver sub-250 ms p50 end-to-end acknowledgement for in-region users and sub-600 ms p95 globally before on-chain settlement, with next-block settlem

by Jay

2025-12-29

12 min read

Would Rolling Up Thousands of Tiny Proofs Into One Aggregated Proof Noticeably Cut Latency for Cross-Chain Oracle Updates?

Short answer: sometimes—but only when on-chain verification throughput is your bottleneck. For most cross-chain oracle routes in 2025–2026, end-to-end latency is dominated by source-chain finality and relayer/execution delays, so aggregatio

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