Lodestar Standup 2026-21 (June 2, 2026)

[matthewkeil]

Lodestar Standup

Tuesday June 2, 2026, · 3:00 – 4:00pm UTC
Video call link: https://meet.google.com/fwq-bhrs-pey

Please post any topics/comments below and we will add it to the stand-up discussion. Examples are issues, discussions or proposals that require feedback, consensus from the team and/or community members.

Agenda

Announcements

Security Findings from Codex

• Not much in there
• Most are "won't fixes" and stuff that are really irrelevant

Glamsterdam

• Substantially complete with devnet-5 spec
• devnet-5 starts imminently but waiting for other clients to be ready before they will schedule
• working on some optimizations for builder signatures
• looking at EIP for separate builder contract
  = Will reach out to pk910 to see if there is some ideas we can glean from him and will get the EIP PR'd and advocate for it
• debugged the fork choice issue

Hegota

• FOCIL spec work

Lean

• Had full-time perspective on it this week
• Converted the lean spec to consensus spec format

BLST

• Got a lot of the scheduling nuances dialed in
• Down to a few microsecond in verification times
• Will refocus the team to group-think through the last steps

State Transition

• Got most of the binding written and need to get it over the hump
• Will refocus the team to group-think through the last steps

SimpleSerialize.com

• made some updates and upgrades

Fast Confirmation Rule

• will look into why Teku was soo much better on the ethpandaops test
• double check the single block we got different from Lighthouse
• branch is approved by Tuyen and will be reviewed by Nico
• otherwise ready to merge

Zapi

• doing full fuzz testing for raw data on the round trip (excellent sanity test!!!)

Zig Roadmap

• restarted work on ethp2p now that 0.16 is ready
• working through debugging and testing
• had a couple bugs in upstream deps and got them fixed but need to address some others that are tricky (possibly in zig itself)

Backfill

• implemented full process
• need to look at column backfill next

Things to follow-up on for next meeting

• ssz engined api
• cell-level das

[matthewkeil]

Meeting Minutes and Full Transcript:
https://docs.google.com/document/d/10SLtpOiSPjYf5scrAseTAiiNxaq9hjLFUO3TWvM35d0/edit?tab=t.7vwu12kw9mnn

Recording:
https://drive.google.com/file/d/1HDfv4T5reLBP1P_tK-1oM6da7J9V71GM/view