# The MEV Letter #153

**URL:** https://collective.flashbots.net/t/the-mev-letter-153/6025
**Category:** The Flashbots Ship
**Tags:** the-mev-letter
**Created:** [September 14, 2026, 7:22pm UTC](https://collective.flashbots.net/t/the-mev-letter-153/6025 "2026-09-14T19:22:49Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![Fred](https://collective.flashbots.net/user_avatar/collective.flashbots.net/fred/32/1288_2.png) [@Fred](https://collective.flashbots.net/u/Fred)
#### Post date: [September 14, 2026, 7:22pm UTC](https://collective.flashbots.net/t/the-mev-letter-153/6025/1 "2026-09-14T19:22:49Z")

</div>

_ **The MEV Letter** _ is a weekly collection of papers, articles and resources related to MEV. The intention of this letter is to provide a comprehensive summary of the latest research, discussions, and developments in the space, with links for further reading.

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# Papers & Articles

- [Frames are all you need](https://lightclient.io/blog/frames-are-all-you-need/) by [lightclients](https://x.com/lightclients) outlines how [Frame Transactions](https://eips.ethereum.org/EIPS/eip-8141) could support expiry, privacy pools, transaction assertions, account sweeping, and signature aggregation without new transaction types.
  - [Post](https://x.com/lightclients/status/2096267670912143774) by [lightclients](https://x.com/lightclients)
  - [Post](https://x.com/VitalikButerin/status/2096370186094076098) by[Vitalik Buterin](https://vitalik.eth.limo/)
  - [Post](https://x.com/nero_eth/status/2096466132785856933) by [Toni Wahrstätter](https://toniwahrstaetter.com/)

- [Mempool Account Transaction Capacity from Historical Activity (MATCHA)](https://ethresear.ch/t/mempool-account-transaction-capacity-from-historical-activity-matcha/25949) by [Thomas Thiery](https://x.com/soispoke) proposes a local mempool policy for admitting several [Frame Transactions](https://eips.ethereum.org/EIPS/eip-8141) from one sender while limiting DoS risk.
  - [Thread](https://x.com/soispoke/status/2097322172570013894) by[Thomas Thiery](https://x.com/soispoke)

- [How Hegotá should approach gas repricing](https://ethresear.ch/t/how-hegota-should-approach-gas-repricing/25935) by [Maria Inês Silva](https://x.com/misilva73) reviews Hegotá’s proposed gas repricings and recommends a narrower scope over broader metering reforms to not delay the upgrade.
- [From 60M to 200M: simulating Glamsterdam’s fee market](https://ethresear.ch/t/from-60m-to-200m-simulating-glamsterdam-s-fee-market/25957) by [Maria Inês Silva](https://x.com/misilva73) models how Glamsterdam’s [gas repricing](https://eips.ethereum.org/EIPS/eip-8007) and gradual gas limit increase to 200M could affect base fees and block utilization.
- [EF Protocol: The Hegotá EIP Opinion Post and Tier List](https://blog.ethereum.org/en/2026/09/07/protocol-hegota-eips) by [Ethereum Foundation Protocol Cluster](https://protocol.ethereum.foundation/) presents their prioritization of the 62 proposed Hegotá EIPs, emphasizing [FOCIL](https://eips.ethereum.org/EIPS/eip-7805), [Frame Transactions](https://eips.ethereum.org/EIPS/eip-8141), and [Quick Slots](https://quickslots.info/).
  - [Post](https://x.com/ethereumfndn/status/2096976125511541198) by[Ethereum Foundation](https://ethereum.foundation/)
  - [Post](https://x.com/corcoranwill/status/2096980152685072780) by[Will Corcoran](https://x.com/corcoranwill)
  - [Post](https://x.com/0xfredrik/status/2096976288288227579) by[Fredrik Svantes](https://x.com/0xfredrik)
  - [Post](https://x.com/barnabemonnot/status/2097028168146202813) by [Barnabé Monnot](https://x.com/barnabemonnot)

- [EF Protocol: Current and Emerging Priorities](https://blog.ethereum.org/en/2026/09/07/protocol-priorities) by [Ethereum Foundation Protocol Cluster](https://protocol.ethereum.foundation/) details their multi-fork priority list and makes the case for Hegotá to stay narrowly scoped to preserve the December 2029 target of post-quantum Ethereum.
  - [Post](https://x.com/ethereumfndn/status/2096976125511541198) by [Ethereum Foundation](https://ethereum.foundation/)
  - [Post](https://x.com/corcoranwill/status/2096980152685072780) by [Will Corcoran](https://x.com/corcoranwill)
  - [Post](https://x.com/0xfredrik/status/2096976288288227579) by [Fredrik Svantes](https://x.com/0xfredrik)

- [Letting the base fee be a midpoint: a temporal liquidity authorization for EIP-1559](https://ethresear.ch/t/letting-the-base-fee-be-a-midpoint-a-temporal-liquidity-authorization-for-eip-1559/25958) by [Dan Guo](https://ethresear.ch/u/danguo/summary) proposes a transaction field that lets users exchange later placement within a block for subsidized gas fees, funded by users paying for earlier placement.
- [Wen fast payload broadcast? Segment, code, push, pull, and everything in between](https://ethresear.ch/t/wen-fast-payload-broadcast-segment-code-push-pull-and-everything-in-between/25913) by [Csaba Kiraly](https://www.csabakiraly.com/) explores how segmented payload broadcasting with smaller, independently verifiable pieces could support larger payloads and shorter slots.
- [Millions flowing through 20 bytes of code](https://devilsintheopcodes.substack.com/p/millions-flowing-through-20-bytes) by [Hernán Erasmo](https://x.com/hernan__e) examines a replay vulnerability in proposer payments and the minimal contract builders adopted to address it.
- [Commit-Boost after ePBS](https://hackmd.io/@thUuBZa2ScW2i3kFbsrOFA/S1XTQgR_Ge) by [Commit-Boost](https://www.commit-boost.org/) explains how [ePBS](https://eips.ethereum.org/EIPS/eip-7732) changes builder payments, bid selection, and validator configuration while retaining optional roles for relays and out-of-protocol sidecars such as [Commit-Boost](https://www.commit-boost.org/).
  - [Post](https://x.com/Commit_Boost/status/2097698543616000004) by [Commit-Boost](https://www.commit-boost.org/)

# Posts & Threads

- [Vitalik Buterin](https://vitalik.eth.limo) published a [post](https://x.com/vitalikbuterin/status/2097711433073172837) explaining how recursive STARK mempools via [EIP-8288](https://eips.ethereum.org/EIPS/eip-8288) could reduce onchain verification and data costs while supporting new signature schemes, privacy protocols, and private account abstraction.
  - [Post](https://x.com/decentrek/status/2098392867773509799) by [Derek Chiang](https://x.com/decentrek)

- [Vitalik Buterin](https://vitalik.eth.limo/) published a[post](https://x.com/VitalikButerin/status/2096378061377900881) connecting[Frame Transctions](https://eips.ethereum.org/EIPS/eip-8141), [Keyed Nonces](https://eips.ethereum.org/EIPS/eip-8250), and [recursive STARK mempools](https://eips.ethereum.org/EIPS/eip-8288), and explains how separating validity checks from transaction actions could help Ethereum scale.
  - [Post](https://x.com/decentrek/status/2096587220195192981) by [Derek Chiang](https://x.com/decentrek)

- [Derek Chiang](https://x.com/decentrek) published a [post](https://x.com/decentrek/status/2099490351337902392) reporting that the efforts to unify [Frame transcations](https://eips.ethereum.org/EIPS/eip-8141) and [EIP-8130](https://eips.ethereum.org/EIPS/eip-8130) into a shared account abstraction standard for both L1 and L2 have not been successful.
  - [Post](https://x.com/leekt216/status/2099524061554721033) by [Taek Lee](https://taek.tech/)
  - [Post](https://x.com/ox_shaman/status/2099500149412077816) by [Mislav Javor](https://www.semiosys.org/)

- @dmarz published a [thread](https://x.com/DistributedMarz/status/2098457669514268925) detailing a [BuilderNet](https://buildernet.org/)-inspired [LLM router](https://hackmd.io/@dmarz/SyqIEs-FGx) that uses TEEs to compare responses from multiple inference providers, and share revenue from inference traces with the user.
- [Toni Wahrstätter](https://toniwahrstaetter.com) published a [post](https://x.com/nero_eth/status/2096851469580275926) reviewing the proposed Hegotá EIPs and recommends a narrow focus on privacy and security to limit complexity and avoid delays.
- [Anders Elowsson](https://x.com/weboftrees) published a [post](https://x.com/weboftrees/status/2098027937777713256) presenting a rationale for [EIP-8372](https://eips.ethereum.org/EIPS/eip-8372), which allows state pricing to be adjusted to demand without changing state-growth capacity.
- [Barnabé Monnot](https://x.com/barnabemonnot) published a [post](https://x.com/barnabemonnot/status/2099473589200171353) reviewing Ethereum attestation timings from 2025 to today, reporting faster attestation propagation with the early-arrival group growing from roughly 50% to 80%, providing more room to shorten slots and faster confirmations.

# Talks & Discussions

- [Credible Commitments](https://crediblecommitments.xyz/): [Ethereum & The Case For Fast Slots](https://www.youtube.com/watch?v=CCLGaMLPNGc) invites [Barnabé Monnot](https://x.com/barnabemonnot) for a conversation on [Ethlabs](https://ethlabs.org/) and their work on [Quick Slots](https://quickslots.info/), [FCR](https://fastconfirm.it/), L1–L2 interoperability, and more.
  - [Thread](https://x.com/apriori0x/status/2098396454150656103) by [apriori](https://x.com/apriori0x)
  - [Post](https://x.com/barnabemonnot/status/2098397748533842324) by [Barnabé Monnot](https://x.com/barnabemonnot)

- [All Core Devs - Execution (ACDE) #245, September 10, 2026](https://www.youtube.com/watch?v=znJGTuHtghw) hosted by [Ansgar Dietrichs](https://x.com/adietrichs) discussed Hegotá scoping, confirming [Frame transcations](https://eips.ethereum.org/EIPS/eip-8141) as the EL headliner ,and narrowed the remaining EIP candidates.
  - [Agenda](https://github.com/ethereum/pm/issues/2211) by [nixo.eth](https://x.com/nixorokish)
  - [Notes](https://forkcast.org/calls/acde/245/) by [Forkcast](https://forkcast.org/)
  - [Notes](https://etherworld.co/ethereum-protocol-update-acde-245/) by [Yash Kamal Chaturvedi](https://x.com/YashKamalChatu1)
    - [Post](https://x.com/ether_world/status/2098186641580192140) by [EtherWorld](https://etherworld.co/)

- [All Core Devs - Testing (ACDT) #95, September 7th, 2026](https://www.youtube.com/watch?v=xSjq9DHqavQ) hosted by [danceratopz](https://x.com/danceratopz) discussed updates from Glamsterdam devnets, client stability, proposed specification changes, and more.
  - [Agenda](https://github.com/ethereum/pm/issues/2209) by [danceratopz](https://x.com/danceratopz)
  - [ACDT #95 (CL Breakout)](https://www.youtube.com/watch?v=meI52TVtmJk)
  - [Notes](https://forkcast.org/calls/acdt) by [Forkcast](https://forkcast.org/)

- [Frame Transaction Breakout #4, Sep 8, 2026](https://www.youtube.com/watch?v=qlWcrvOHvtY) covered specification changes, client implementations, and testing related to [Frame Transctions](https://eips.ethereum.org/EIPS/eip-8141).
  - [Agenda](https://github.com/ethereum/pm/issues/2212) by [Marc Garreau](https://x.com/wolovim)

# Other

- [Join Us: EF Protocol Reddit AMA - September 16th, 2026](https://blog.ethereum.org/en/2026/09/09/reddit-ama) by [Ethereum Foundation Protocol Cluster](https://protocol.ethereum.foundation/) announces a new AMA on [r/ethereum](https://www.reddit.com/r/ethereum/) on _September 16_ with researchers answering questions on Glamsterdam, Hegotá, and beyond.
- [How do arbitrage bots discover AMM pools outside known factory lists?](https://collective.flashbots.net/t/how-do-arbitrage-bots-discover-amm-pools-outside-known-factory-lists/6007) by [Poolbase](https://early-access.poolbase.workers.dev/) outlines an early-stage dataset of AMM activity across EVM chains starting with [Base](https://www.base.org/).
- [AA collab, faster Ethereum, learning from L2s. Ethlabs week 11.](https://x.com/decentrek/status/2096971613401235541) by [Derek Chiang](https://x.com/decentrek) presents [Ethlabs](https://ethlabs.org/)’ recent work to reconcile [EIP-8130](https://eips.ethereum.org/EIPS/eip-8130) and [Frame Transctions](https://eips.ethereum.org/EIPS/eip-8141), roll out [FCR](https://fastconfirm.it/), advance [shorter slots](https://quickslots.info/), and improve L1–L2 interoperability.
  - [Post](https://x.com/barnabemonnot/status/2096974880189104150) by[Barnabé Monnot](https://x.com/barnabemonnot)

- [Ethlabs is online. Week 12.](https://x.com/barnabemonnot/status/2099098190750302414) by [Barnabé Monnot](https://x.com/barnabemonnot) covers [Ethlabs](https://ethlabs.org/)’ Hegotá priorities, efforts to make Ethereum faster, and ways to improve account abstraction and cross-chain interoperability.

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