Editor Meeting Notes

ZIP Editor Meeting Minutes

2026-06-23

• Attending: @ebfull, @daira, @nuttycom, @arya2, @ValarDragon, Pacu, Mark, @SamHSmith
• Quorum¹: Good enough!
• Notetaker: Sean Bowe (@ebfull)

Agenda:

First part of meeting is dedicated to Ironwood critical path tasks and related spec work. Second section (after break) is for discussing open ZIP PRs/issues ready for review.

• ZIP Editor Meeting Minutes
• Ironwood Implementation Progress Update
  • Circuit PR: https://github.com/zcash/orchard/pull/504 (merged)
  • Ironwood-only QR: https://github.com/zcash/orchard/pull/509 (ready for review)
  • TXID PR (next): ???
  • Zebra:
    • https://github.com/ZcashFoundation/zebra/pull/10762
• Ironwood Deployment ZIP
• Ironwood Sighash ZIP
• Charting the ZIPs ahead for Ironwood
• NU6.2 ZIPs
• BREAK AFTER 40m
• Delegation of ZIP work:
  • QR
  • Deployment
  • Circuit ZIP? Wallet Consideration?
• Review of Open / Outstanding Reviews

Notes:

• Dev: Auditing progress
  • Zellic auditing sighash, ...
  • Circuit audit beginning tomorrow
• Ironwood enableCrossAddress is a free variable for the prover so that it can be restricted in a softfork.
• Orchard coinbase are pointless, so we should require Orchard bundles be empty after NU6.3.
• Daira: ZIP overview: Deployment ZIP (258) is a catch-all. Wallet consideration ZIP separately Circuit update ZIP (?). Circuit ZIP (2006). Transaction ZIP (format & sighash, 2??)
• Daira: Assigned numbers.
• Kris suggests taking existing v6 format ZIPs over, daira resists because of historic confusion.
• Daira: If Circuit ZIP is not too big, we can fold it into deployment.
• Reviewing zips#1301 (2??)
• Testnet height tentative 2^12 * 1000.

Footnotes

¹: There is not currently a policy in the ZIPs process for ZIP Editor Meetings to require a quorum, nor what constitutes one, but historically we have considered wide participation among ZIP editors to be necessary. This should be codified.