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PQTS2026-03-18_004

PQ Transaction Signatures #004

2026-03-18 3 decisions 453 transcript lines

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Call summary

Targets
  • •Frame transactions (EIP-8141) targeting Hegotá fork — 00:26:05
  • •Frame transactions testnet deployment: next few weeks — 00:49:15
Decisions
  • •Verify frame data aliased from introspection to enable future aggregation — 00:37:40
  • •Approve opcode restricted to frame.target caller only — 00:51:10
  • •Implicit ordering: sender approval must precede payer approval — 00:51:50
Highlights
  • Organizational:
    • ·Telegram chat created for ongoing PQTS discussions — 00:14:30
    • ·Next call in two weeks: hardware wallet focus — 01:10:06
  • Frame Transactions:
    • ·Frame transactions (EIP-8141): native account abstraction targeting Hegotá — 00:26:05
    • ·Frames enable protocol introspection; three modes: default, verify, sender — 00:28:04
    • ·Sender field required in transaction; validation fully user-defined — 00:35:15
    • ·Per-frame receipts address 4337 UX complaint of jumbled logs — 00:42:19
    • ·Signature aggregation compatibility: verify frame data aliased for future ZK/aggregation — 00:58:15
  • Ephemeral Key Rotation:
    • ·Ephemeral key rotation via account abstraction: rotate signer per transaction — 00:14:36
    • ·Attack window reduced to ~12 seconds (or less on L2s) — 00:16:08
    • ·Implementation deployed on Base Sepolia; adds <100K gas overhead — 00:20:58
    • ·Live demo available at nicetry.xyz; ERC-7579 modules published — 00:21:45
  • Post Quantum Readiness:
    • ·Frame transactions agnostic to PQ algorithm; allows user/wallet choice — 00:25:50
    • ·Falcon supports key recovery mode (ecrecover-like) per Section 3.12 — 00:35:15
    • ·Labrador aggregation for Falcon signatures published today on ethresear.ch — 00:59:16
    • ·Hegotá opportunity: bundle PQ precompile with frame transactions — 01:00:41
Action Items
  • •Matteo, Alessandro, lightclient — Integrate ephemeral rotation with frame transactions design — 00:23:00
  • •lightclient — Frame transaction breakout call planned before next ACD — 00:46:35
  • •Danno, lightclient — Review EIP-8197 (CADEX) for signature stripping compatibility — 01:02:27

Meeting chat31

  • Fireflies.ai Notetaker Andriia

    Andriian invited Fireflies.ai here to record & take notes. By continuing, you agree to https://fireflies.ai/privacy. Type: '/ff pause' - pause recording '/ff leave' - to stop recording View Realtime notes here: https://app.fireflies.ai/live/01KKVTXT6D8KKR9BZD6B8H70PR?ref=live_chat

  • Antonio Sanso

    https://t.me/+ozVdiAeQleBhZDg0

  • Matteo

    https://nicetry.xyz/

  • Matteo

    https://ethresear.ch/t/achieving-quantum-safety-through-ephemeral-key-pairs-and-account-abstraction/24273

  • Oleg Lodygensky

    The beauté of simplicity 🙂

  • Matteo Vicari

    Reacted to "The beauté of simpli..." with 😎

  • Alessandro Baiocchi

    Reacted to "The beauté of simpli..." with ❤️

  • Renaud-ZKNOX

    It is possible for FALCON to have a recovy like ecrecover

  • Antonio Sanso

    Reacted to "It is possible for F..." with 🔥

  • Benedikt Wagner

    Replying to "It is possible for F..." Yes, there is a mode for that. Falcon spec Section 3.12: https://falcon-sign.info/falcon.pdf

  • Benedikt Wagner

    Reacted to "It is possible for F..." with 👍

  • Renaud-ZKNOX

    A réagi à "Yes, there is a mo..." avec 👍

  • Renaud-ZKNOX

    Seems great. It seems lighter and solving a lot of 4337 complexity. Are all bundlers gonna die ? Or move to be broadcasters like ?

  • Renaud-ZKNOX

    Other question: is there a testnet for this ?

  • Giulio

    Just vibe code it

  • Oleg Lodygensky

    Reacted to "Just vibe code it" with 😂

  • Renaud-ZKNOX

    A réagi à "Just vibe code it" avec 😂

  • Shouki Tsuda | Nyx Foundation

    Reacted to "Just vibe code it" with 😂

  • Simon

    Reacted to "Just vibe code it" with 😂

  • 4337

    D ).

  • Giulio

    Curiosity: have you found a way to make mempool validation sane since last ACDE?

  • Renaud-ZKNOX

    Ultimate question: what is the cost of a frame transaction, compared to a 4337 one ?

  • alan xu

    Will frame tx only increase the nonce of the sender, not the nonce of the payer ?

  • Antonio Sanso

    I am probably going to move the unanswered questions in the telegram channel (assume we do not have time for all)

  • Renaud-ZKNOX

    Could you give link to tg plz ?

  • Antonio Sanso

    https://t.me/+ozVdiAeQleBhZDg0

  • Antonio Sanso

    Aggregation wise we released this post today https://ethresear.ch/t/revisiting-falcon-signature-aggregation-for-pq-mempools/24431

  • Oleg Lodygensky

    Reacted to "Aggregation wise we …" with 👍

  • Danno Ferrin - Tectonic.xyz

    The validation frame gets the signature in the calldara, correct?

  • lightclient

    Replying to "The validation frame..." Right now yes

  • lightclient

    If you frame it right ;)

Key decisions

  • Verify frame data aliased from introspection to enable future aggregation

    to enable future aggregation

  • Approve opcode restricted to frame.target caller only

    no further context

  • Implicit ordering: sender approval must precede payer approval

    no further context

Links