PeerDAS Breakout Room - Call #26 | April 22, 2025

Protocol Calls & happenings
1

PeerDAS Breakout Room - Call #26 | April 22, 2025

Resources

Agenda Overview

A. Client Updates
B. Devnet / Testing Updates
C. Spec / EIP Discussion
D. Open Discussion

Agenda Details

Client Updates

CL Client Teams

Team Active ICs Call 25 Update
Lighthouse Jimmy + Sunnyside Labs IC No update provided.
Prysm Manu & Terence + Francis & Niram from Base Working on data column verification pipeline and implementing blobs bundle v2 structure to replace current v1 hack with extended size limit.
Teku Dmitrii + Jerone Ost from Soneium Completed distributed cell proofs implementation; merging PR - aim to join devnet-6 and starting 2-month transition of PeerDAS code to production.
Nimbus Agnish & Dustin NEW: OOO, current focus: Investigating issues in the current devnet-6, improving column syncing for nimbus-eth2
Lodestar Matt K, Katya + Derek & Hugh from Base Merged validator custody and getBlobsV2; implementing second column pull with metrics and making progress on multi-month refactor.
Grandine Hangleang & Saulius Grigaitis Investigating Grandine-Reth pairing issues, suspecting slow payload processing on Reth side.

EL Client Teams

Team Active ICs Call 24 Update
Geth Felix, Marius, Lightclient - No updated provided.
- Sunnyside testing showed it used less resources while handling ~45 blobs per block.
Nethermind FLCL, Marcin Added metrics for getBlobs success/failure rates and working on PoC for SS endpoint for getBlobsV2.
Reth Roman Investigating high block processing times causing pairing failures with Lighthouse and Grandine.
Besu tbd - No updated provided.
- Sunnyside testing showed it achieved highest performance (50 blobs per block).
Erigon tbd - No updated provided.
- Sunnyside testing showed it achieved lowest performance (18 blobs per block).
ethereumjs Gajinder Working on PR; extending micro-eth-signer with cell functions and bundling CKG for devnets while waiting for library updates.

Devnet / Testing Updates

Topic Subtopic Details
peerdas-devnet-6 current status Pari to voice over
next steps Pari to voice over

Sunnyside Labs (recent activity):

  • Shared 04/15 Update
  • Testing different EL-CL client combinations on devnet-6; developing unified EL metrics proposal and continuing comparative performance analysis of execution clients.

Spec / EIP Discussions

Topic Subtopic Details
BlobsBundleV2 Formatting (flat vs. nested) - Flat vs. nested structure for commitments/blobs/proofs arrays (FLCL)
BPO Schedule CL BPO blob schedule - confirm agreement on config
- open PR: Introduce blob only parameter forks (note comment asking whether this should go into deneb)
EL BPO blob schedule confirm agreement on config (any missing BPO-related PRs?)

Open Specs & Discussions

  • Consensus: Remove placeholder MAX_BLOBS_PER_BLOCK_FULU (link)
  • Consensus: Implement BPO fork blob limit logic (link)
  • Engine API: Add EIP-7594 (PeerDAS) related change (link)
  • Builder: Add EIP-7594 (PeerDAS) related change (link)
  • Update EIP-7594: Add blob count per tx limit via blobSchedule (link)

Draft Specs & Discussions

  • Update EIP-7594: Polish EIP, expand rationale (link)

Open Discussion

Topic Subtopic Details
Topic 1 subtopic 1 - details
subtopic 2 - details

Schedule

Date(s) Item
April 9th peerdas-devenet-6 live!
May ~5th Pectra Mainnet
~June 1st fusaka-devnet-0 (w/ BPO)
June 8-14 EL / CL Interop
Post June 14 Audits: KZG libraries (c-kzg-4844, rust-eth-kzg, go-eth-kzg)
🤖 config
  • Duration in minutes : 60
  • Recurring meeting : true
  • Call series : PeerDAS Breakout Room
  • Occurrence rate : weekly
  • Already a Zoom meeting ID : false
  • Already on Ethereum Calendar : true
  • Need YouTube stream links : false
  • display zoom link in invite : false

GitHub Issue