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PQI2026-04-15_035

PQ Interop #035

2026-04-15 3 decisions 278 transcript lines

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Call summary

Targets
  • •Friday this week - Merge devnet 4 metrics PR — 00:45:27
  • •Early May - Cryptography event in Rome — 00:47:36
Decisions
  • •Devnet 5 will aggregate signatures into one per block; repacking mechanism TBD — 00:15:11
  • •Hive will test all client pair combinations for interoperability validation — 00:41:28
  • •Lean spec client will be source of truth for Hive test scenarios — 00:42:26
Highlights
  • Client Updates:
    • ·Lodestar achieved devnet 4 interop with Lantern and ETH Lambda across multiple subnets — 00:13:47
    • ·Signature aggregation redesign needed for devnet 5 to support attestation repacking — 00:15:11
    • ·Lantern finalizing well with Lodestar and Grandine on devnet 4 — 00:17:52
    • ·Reem reports slow proof verification performance; benchmarking requested from other teams — 00:19:22
  • Organizational:
    • ·Metrics PR to be merged by Friday this week for devnet 4 dashboard — 00:45:27
  • Testing Progress:
    • ·Hive test framework integrating Lodestar, Lantern, Reem, ETH Lambda for RPC compatibility — 00:32:38
    • ·Hive will test all client pairs for finalization and checkpoint sync compatibility — 00:41:28
    • ·Devnet 4 running stable with 3 clients, single subnet; multi-subnet testing in progress — 00:46:27
  • Specification Updates:
    • ·Extensive spec test vectors added for edge cases; good first issues opened for contributors — 00:24:50
    • ·Test duration increased 2-3x due to recursive aggregation overhead in devnet 4 — 00:26:12
    • ·Production test vectors failing; likely need regeneration after post-quantum update — 00:27:34
  • Research And Development:
    • ·Post-quantum (Plonky3) integration progressing; SUM check optimizations coming — 00:28:00
    • ·LeanVM now uses single commitment with batched SUM checks; simpler and recursion-friendly — 00:29:02
    • ·Cryptography event scheduled for Rome in early May — 00:47:36
Action Items
  • •All client teams — Benchmark proof verification performance and report results — 00:19:22
  • •Reem team and Thomas — Add Hive test cases as spec test vectors for broader client consumption — 00:38:31
  • •Hive contributors — Share networking/p2p/RPC test cases for inclusion in lean spec — 00:40:09

Meeting chat19

  • Pablo Deymo | Lambda

    hello

  • Katya

    gm

  • devLuckify | gean

    Gm

  • Ruslan Tushov

    https://github.com/turuslan/lean-interop-test/tree/rust-xmss-time/rust-xmss-time

  • Ruslan Tushov

    Replying to "https://github.com/t..." Sorry, need to go. Feel free to write direct message or mention me in telegram

  • Mercy Boma Naps-Nkari

    Reacted to "Sorry, need to go. F..." with ❤️

  • Gajinder Singh

    this is fantastic! already been a fan of hive, time to double down :)

  • unnawut

    Reacted to "this is fantastic! already been a fan of hive, time to double down :)" with 🔥

  • kolby

    https://github.com/ethereum/hive

  • kolby

    Here is the repo

  • Mihir Faujdar

    Reacted to "Here is the repo" with 👍

  • Mihir Faujdar

    Replying to "Here is the repo" Thanks!

  • kolby

    For a brief scope of tests we will add are - intergration of leanSpec tests - p2p behavior, - syncing, - req/resp exchanges, - RPC compatibility, and - other protocol-focused scenarios.

  • alan xu

    What’s the diff between hive and kurtosis?

  • kolby

    hive is a black box testing tool an intergration test framework so to speak, where as kurtosis is like a devnet assertion tool

  • Katya

    Replying to "What’s the diff betw..." Kurtosis is for spinning up nodes, hive haas scenarios to test

  • Thomas Coratger

    Répondre à "For a brief scope ..." please once you have something let me know with a link towards the tests so that I can add them to the spec as well

  • alan xu

    Reacted to "Kurtosis is for spin..." with 👍

  • alan xu

    Reacted to "hive is a black box ..." with 👍

Key decisions

  • Devnet 5 will aggregate signatures into one per block; repacking mechanism TBD

    devnet 5Signature aggregation redesign needed for devnet 5 to support attestation repacking

  • Hive will test all client pair combinations for interoperability validation

    Hive will test all client pairs for finalization and checkpoint sync compatibility

  • Lean spec client will be source of truth for Hive test scenarios

    Establishing the Lean spec client as the reference for Hive test scenarios

Links