PQ Interop #033
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Call summary
Targets
- •April 8, 2026 - Next PQ Interop call (April 1 cancelled for EthCC) — 01:02:09
- •End of this week - Ream ready for Devnet-4 interop — 00:20:28
Decisions
- •Defer major spec refactoring until recursive aggregation PRs merged — 00:52:00
Highlights
- Devnet Status:
- ·Devnet-3 stable since March 24; 115+ hours runtime, 100K+ slots finalized — 00:28:15
- ·Multiple clients experiencing stalls and checkpoint sync issues requiring investigation — 00:34:04
- ·Median 2 signatures aggregated per slot; expected ~13 with current validator count — 00:35:41
- ·Finalization delay: 20-82 slots observed vs expected 3-slot finality — 00:37:39
- ·Frequent reorgs occurring (0-12 per period) requiring investigation — 00:38:07
- Organizational:
- ·No call April 1 (EthCC); next call April 8 @ 14:00 UTC — 01:02:09
- ·Beast Mode (Saturday) and Fort Mode (Sunday) events in Cannes this weekend — 01:02:33
- Devnet4 Progress:
- ·Ream: Key separation PR near completion; Devnet-4 ready end of week — 00:20:28
- ·Lantern: Devnet-4 PR449 support complete; additional PRs under review — 00:26:36
- ·LeanVM Devnet-4 branch ready: recursive aggregation, Poseidon1, ZK-friendly encoding — 00:45:14
- Research And Spec:
- ·Major Plonky3 PR submitted integrating improvements; Poseidon optimizations merged — 00:42:51
- ·Post-quantum pubkey registry research post in preparation; DM for feedback — 00:44:40
- ·Good first issues attracting external contributors; Python spec contributions increasing — 00:46:35
- Infrastructure And Metrics:
- ·Observatory tool launched: Jupyter notebooks analyze Prometheus metrics by devnet period — 00:29:31
- ·Network usage 24Mbps (13 validators); EIP-7870 recommends 50Mbps minimum — 00:38:30
- ·Multi-subnet mesh topology PR incoming; aggregators listen to multiple subnets — 00:49:02
- ·Automated interop testing framework available; runs client combinations programmatically — 01:00:08
Action Items
- •All client teams — Review multi-subnet mesh topology PR when posted to leanSpec — 00:49:02
- •Anshal (Zeam) — Implement recursive aggregation on top of Poseidon1/ZK-encoding PR — 00:52:53
- •Interested teams — Review post-quantum pubkey registry research post (DM Thomas for access) — 00:44:40
Meeting chat17
- Parthasarathy Ramanujam
Rotation is already ready in lean-quick start, we can target that in the next devnet3 run
- unnawut
Reacted to "Rotation is already ..." with ❤️
- Thomas Coratger
- Thomas Coratger
- Thomas Coratger
- Parthasarathy Ramanujam
Quick question, is there an impact to leanSpec as a result of the supply chain attack on few python packages from yesterday?
- Mihir Faujdar
Hey @Parthasarathy Ramanujam , could you please share the PR for it?
- Thomas Coratger
https://github.com/leanEthereum/leanSpec/pull/464#discussion_r2970421525
- Parthasarathy Ramanujam
Reacted to "Hey @Parthasarathy R..." with 👍
- Mercy Boma Naps-Nkari
- alan xu
Where can I see the meeting summary?
- Ladislaus
Antworten auf "Where can I see the ..." on forkcast! https://forkcast.org/calls --> Breakouts --> PQ Interop or also on GH ethereum/pm issues
- Katya
Lighthouse doesn’t support devnet-3
- Mercy Boma Naps-Nkari
Thank you
- Mega | Lambda
@Ruslan Tushov Let’s talk in tg
- Ruslan Tushov
Reacted to "@Ruslan Tushov Let’s..." with 👍
- alan xu
Replying to "Where can I see the ..." Thanks!
Key decisions
Defer major spec refactoring until recursive aggregation PRs merged
The team decided to postpone major refactoring of the specification until the PRs for recursive aggregation are integrated.