# The MEV Letter #93

**URL:** https://collective.flashbots.net/t/the-mev-letter-93/5036
**Category:** The Flashbots Ship
**Tags:** the-mev-letter
**Created:** [June 25, 2025, 9:35pm UTC](https://collective.flashbots.net/t/the-mev-letter-93/5036 "2025-06-25T21:35:39Z")
**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: [June 25, 2025, 9:35pm UTC](https://collective.flashbots.net/t/the-mev-letter-93/5036/1 "2025-06-25T21:35:39Z")

</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.

* * *

# Papers & Articles

- [Cross-Chain Arbitrage: The Next Frontier of MEV in Decentralized Finance](https://arxiv.org/abs/2501.17335) by @boz1, [Christof Ferreira Torres](https://www.christoftorres.com/), @Christoph, @BrunoMr, [Jonas Gebele](https://x.com/j9ebele), @rezabfil, and [Florian Matthes](https://www.linkedin.com/in/florianmatthes/) presents a profit-cost model and empirical study of cross-chain arbitrage across nine chains, revealing market concentration and a shift toward inventory-based strategies.
  - [Thread](https://x.com/boez95/status/1935707294680952987) by @boz1

- [Trustless TEE Overview June 2025](https://forum.teekettle.org/t/trustless-tee-overview-june-2025/67) by @Quintus details how the Trustless TEE Initiative aims to design high-performance, open-source confidential computing hardware with robust physical security and verifiable supply chains, starting at the silicon.
- [Extending Sandboxes to New MEV Types](https://collective.flashbots.net/t/extending-sandboxes-to-new-mev-types/5018) by @hulbert presents efforts to develop high-performance, ephemeral TEE-based sandboxes for searcher strategies that expand beyond the current[bottom-of-block implementations](https://collective.flashbots.net/t/searching-in-tdx/3902).
  - [Post](https://x.com/bertcmiller/status/1936113165336556009) by @bert

- [Optimistic MEV in Ethereum Layer 2s: Why Blockspace Is Always in Demand](https://arxiv.org/abs/2506.14768) by [Ozan Solmaz](https://x.com/kgbaldwin), [Lioba Heimbach](https://x.com/liobaheimbach), [Yann Vonlanthen](https://x.com/yannvon), and [Roger Wattenhofer](https://x.com/TheWattenhofer) analyzes “optimistic MEV” on L2s, uncovering widespread speculative arbitrage spam consuming significant blockspace with low success rates.
  - [Thread](https://x.com/liobaheimbach/status/1935362708649730418) by [Lioba Heimbach](https://x.com/liobaheimbach)
  - [Post](https://x.com/yannvon/status/1935400875607859705) by [Yann Vonlanthen](https://x.com/yannvon)

- [Verifying TEE Applications: A Practical Walkthrough with Dstack](https://collective.flashbots.net/t/verifying-tee-applications-a-practical-walkthrough-with-dstack/5023) by @shelven walks through how [Dstack](https://github.com/Dstack-TEE/dstack) delivers end-to-end verifiability for TEE applications, addressing the real-world challenges of Zero Trust security.
- [EIP-7782: The case for 2x shorter slot times in Glamsterdam](https://ethereum-magicians.org/t/eip-7782-the-case-for-2x-shorter-slot-times-in-glamsterdam/24616) by [Ben Adams](https://x.com/ben_a_adams), [Dankrad Feist](https://x.com/dankrad), [Julian Ma](https://twitter.com/_julianma) and [Barnabé Monnot](https://barnabemonnot.com/) proposes reducing Ethereum slot times from 12 to 6 seconds in Glamsterdam via [EIP-7782](https://eips.ethereum.org/EIPS/eip-7782) to improve UX, validator economics, and interoperability.
  - [Thread](https://x.com/barnabemonnot/status/1936060505858138467?s=52) by [Barnabé Monnot](https://barnabemonnot.com/)
  - [Post](https://x.com/dankrad/status/1936053144477409353) by [Dankrad Feist](https://x.com/dankrad)

- [Behind the Scenes of Ethereum’s Pectra Upgrade: A Data-Driven Analysis](https://ethresear.ch/t/behind-the-scenes-of-ethereums-pectra-upgrade-a-data-driven-analysis/22665) by[Dennis Trautwein](https://dtrautwein.eu/) examines how Pectra affected network topology, block propagation, and bandwidth across regions and client types.
- [The State of Type 3 Transactions After Pectra: One Month of Blob Data Activity](https://ethresear.ch/t/the-state-of-type-3-transactions-after-pectra-one-month-of-blob-data-activity/22667) by [Leo](https://leobago.me/) examines blob transaction patterns in the month following Pectra’s increase in blob capacity.
- [Blob Sharing for Based Rollups](https://ethresear.ch/t/blob-sharing-for-based-rollups/22659) by [Anshu Jalan](https://x.com/aj_jalan) and [Lin Oshitani](https://x.com/linoscope) presents a protocol that allows based rollups to share a single set of blobs using a shared proposer and [EIP-7702](https://eip7702.io/).
  - [Post](https://x.com/AJ_Jalan/status/1937076334024691888) by [Anshu Jalan](https://x.com/aj_jalan)
  - [Post](https://x.com/linoscope/status/1937089951360762220) by [Lin Oshitani](https://x.com/linoscope)

- [A practical proposal for Multidimensional Gas Metering](https://ethresear.ch/t/a-practical-proposal-for-multidimensional-gas-metering/22668) by [Maria Inês Silva](https://www.linkedin.com/in/maria-in%C3%AAs-silva-17605173/) and [Davide Crapis](https://twitter.com/DavideCrapis) proposes a multidimensional metering scheme to optimize resource utilization and increase throughput.
- [Unpredictable RANDAO](https://ethresear.ch/t/unpredictable-randao/22666) by [banri](https://x.com/banr1_), [vita](https://x.com/keccak255), and [Hiro](https://x.com/164zheng) proposes a redesign of Ethereum’s RANDAO mechanism with threshold BLS signatures and committee-based DKG to mitigate current vulnerabilities.
  - [Thread](https://x.com/titaniaresearch/status/1937832256133005334) by [Titania Research](https://titaniaresear.ch/)

- [Considerations for the BLOB\_BASE\_COST in EIP-7918](https://notes.ethereum.org/@anderselowsson/BLOB_BASE_COST) by [Anders Elowsson](https://x.com/weboftrees) explains the rationale behind setting `BLOB_BASE_COST` in [EIP-7918](https://eips.ethereum.org/EIPS/eip-7918) to 2^12 to moderate the blob fee market while accounting for KZG proof verification cost.
- [LingLong: Pre-Settle Ethereum](https://mirror.xyz/0x4Adf2e6f31edD8A3B6bD39A9f2Fd02149f4f1fF9/SmPxqlWutHMaYdFR3x98IE8LyqejifUbnXuO_pJnpKY) by [Luban](https://x.com/lu_ban_) introduces [LingLong](https://github.com/lu-bann/linglong), as a proposer commitment and delegation framework that enables pre-settlement of based rollups on Ethereum.
  - [Thread](https://x.com/lu_ban_/status/1917963862667825156?s=46) by [Luban](https://x.com/lu_ban_)

# Posts & Threads

- @sui414 published a [post](https://x.com/sui414/status/1937321434399015220) highlighting that 88% of orderflow value is now being captured by OFA or vertical integrations with builders, leaving only 12% sourced from the public mempool.
- @rezabfil published a [thread](https://x.com/rezabfil/status/1935368007926300918) to share details from their presentation [A New Frontier in Confidential Computing SpaceTEEs and L2 Security](https://www.youtube.com/watch?v=UOJp3c1X0XA) at [ETHPrague](https://ethprague.com/).
- [ladislaus.eth](https://x.com/ladislaus0x) published a [thread](https://x.com/ladislaus0x/status/1936011256345117072) sharing publications and collaborations by [EF Research](http://research.ethereum.foundation/) from the previous two weeks.
- [PBS Foundation](https://pbs.foundation/) published a[thread](https://x.com/PBS_Foundation/status/1937506175173689449) summarizing[Future-Proofing Preconfirmations](https://ethresear.ch/t/future-proofing-preconfirmations/22618) by[Aikaterini-Panagiota Stouka](https://x.com/AikPStouka) and[Conor McMenami](https://x.com/ConorMcMenamin9), which investigates how preconfirmation protocols can become compatible with[FOCIL](https://eips.ethereum.org/EIPS/eip-7805),[SSLE](https://ethereum.org/en/roadmap/secret-leader-election/),[ePBS](https://eips.ethereum.org/EIPS/eip-7732), and other proposed EIPs.
- [Akaki Mamageishvili](https://mamageishvili.info/) published a [post](https://x.com/kakia1989/status/1937526710129344653) detailing the rationale and design behind [Arbitrum](https://arbitrum.io/)’s [TimeBoost](https://docs.arbitrum.io/how-arbitrum-works/timeboost/gentle-introduction).
- [L2BEAT](https://l2beat.com/) published a [thread](https://x.com/l2beat/status/1935615549809054043) announcing their [L2 Recategorisation](https://medium.com/l2beat/framework-update-l2-projects-recategorization-5d43b0d1fe50) going live with stricter requirements for what constitutes a Layer 2.
- [Terence Tsao](https://terencecha.in/) published a [post](https://x.com/terencechain/status/1936432697809015276) arguing that Ethereum should first implement ePBS via[EIP-7732](https://eips.ethereum.org/EIPS/eip-7732), before reducing slot times via[EIP-7782](https://eips.ethereum.org/EIPS/eip-7782).

# Talks & Discussions

- [ZuBerlin – Futura Garden](https://zuberlin.city/) by [ZuBerlin](https://x.com/ZuBerlinCity) hosted a week of 5 tracks with presentations and panels on multiple research topics:
  - [Protocol & MEV Day](https://www.youtube.com/live/BE3vTaW44AU?si=gaRql0icVfKx4b4S) curated by [Chris Haug](https://x.com/cshg0x)
    - [Agenda](https://x.com/ZuBerlinCity/status/1935736560281899381) by [Chris Haug](https://x.com/cshg0x)

  - Data Wizardry Day curated by @sui414, [hildobby](https://x.com/hildobby_), and [Boxer](https://x.com/0xBoxer)
    - [Morning session](https://www.youtube.com/watch?v=DguxCEXc7Uw)
    - [Afternoon session](https://www.youtube.com/watch?v=cLvJ8kgxE6I)
    - [Agenda](https://zuberlin.notion.site/Protocol-MEV-Day-June-20th-20d76cd111b58056bc59fa6392106ab4) by @sui414, [hildobby](https://x.com/hildobby_), and [Boxer](https://x.com/0xBoxer)

  - [Cryptography Day](https://x.com/i/broadcasts/1kvJpyORdvMxE) hosted by [Lisa Akselrod](https://x.com/cryptobuilder_)
    - [Agenda](https://x.com/cryptobuilder_/status/1934637861996728770) by [Lisa Akselrod](https://x.com/cryptobuilder_)

  - [Future Society & AI Day](https://www.youtube.com/watch?v=HKR2xfSNSUM)
  - L2 Interop Day
    - [Day 1](https://x.com/i/broadcasts/1YpJkBvpYOBGj) curated by[Ellie Davidson](https://x.com/ellierdavidson)
      - [Agenda](https://x.com/ellierdavidson/status/1934154196775043511) by[Ellie Davidson](https://x.com/ellierdavidson)

    - [Day 2](https://www.youtube.com/watch?v=dczpbAXN4Hc) curated by [donnoh.eth](https://x.com/donnoh_eth) and [Orest Tarasiuk](https://x.com/OrestTa)
      - [Agenda](https://x.com/OrestTa/status/1934153539682476216) by [donnoh.eth](https://x.com/donnoh_eth) and [Orest Tarasiuk](https://x.com/OrestTa)

    - [Post](https://x.com/ZuBerlinCity/status/1931045932054774264) by[ZuBerlin](https://x.com/ZuBerlinCity)

- [All Core Devs - Execution #214](https://www.youtube.com/watch?v=as4byc7tX8c) hosted by [Ansgar Dietrichs](https://x.com/adietrichs) discussed the finalization of EIPs for Fusaka, performance metrics for scaling to 45M gas blocks, and EIP proposals for Glamsterdam.
  - [Notes](https://ethereum-magicians.org/t/all-core-devs-execution-acde-214-june-19-2025/24508/2) by [Ansgar Dietrichs](https://x.com/adietrichs) and [Andrew B Coathup](https://x.com/abcoathup)
  - [Notes](https://christinedkim.substack.com/p/acde-214-minutes) by [Christine D. Kim](https://x.com/christine_dkim)
  - [Notes](https://etherworld.co/2025/06/20/highlights-from-the-all-core-developers-execution-acde-call-214/) by [Yash Kamal Chaturvedi](https://etherworld.co/author/yash-kamal-chaturvedi/)
  - [Thread](https://x.com/nixorokish/status/1935100398596964464) by[nixo.eth](https://x.com/nixorokish)
  - [Thread](https://x.com/eth_everstake/status/1936120336849805714) by [Everstake](https://everstake.one/)

- [Proof is in the Pudding: Trusted Execution Environments (TEEs)](https://www.youtube.com/watch?v=QVA_Dtq3th0) by [David Wong](https://x.com/cryptodavidw) outlines the current TEEs in existence, their security and attack vectors, firmware, and more.
  - [Post](https://x.com/archetypevc/status/1937883720934969714) by [Archetype](https://www.archetype.fund/)

- [EIP-7732 breakout room #20](https://www.youtube.com/watch?v=b2Z0T6GcxTg) hosted by [Potuz](https://x.com/potuz_eth) discussed a new builder-to-proposer payment mechanism and fork choice signaling in [EIP-7732](https://eips.ethereum.org/EIPS/eip-7732).
  - [Agenda](https://github.com/ethereum/pm/issues/1575) by [Potuz](https://x.com/potuz_eth)
  - [Notes](https://hackmd.io/@tchain/eip7732-breakout-20) by [Terence Tsao](https://terencecha.in/)

- [PEEPanEIP: EIP-7825: Tx Gas Limit Cap & EIP-7934: RLP Execution Block Size Limit](https://www.youtube.com/watch?v=qg4FX4aCsRc) invites[Giulio Rebuffo](https://x.com/GiulioRebuffo) to present the design of[EIP-7825](https://eips.ethereum.org/EIPS/eip-7825), which introduces a protocol-level cap on the maximum gas used by a transaction to 30 million.
- [Flashblocks in 15 Seconds](https://twitter.com/0xOptimus/status/1936926747448250543) by [Optimus](https://x.com/0xOptimus) gives a quick overview of how Flashblocks in [Rollup-Boost](https://writings.flashbots.net/introducing-rollup-boost) stream sub-blocks for faster confirmation times.

# Other

- [Trustless TEE Salon (colab with Ulyssean)](https://collective.flashbots.net/t/trustless-tee-salon-colab-with-ulyssean/5030) by @Quintus details an event on June 20 focusing on [Trustless TEEs](https://forum.teekettle.org/t/trustless-tee-overview-june-2025/67) with sessions on vulnerabilities, emerging defense strategies, and more.
- [v4.xyz](https://www.v4.xyz/) by [jonjon](https://x.com/jonjonclark) is a dashboard that monitors real-time price discrepancies across [Uniswap v4](https://v4.uniswap.org/) pools on different chains.
  - [Post](https://x.com/jonjonclark/status/1936066826149994585) by [jonjon](https://x.com/jonjonclark)
  - [Post](https://x.com/hrojantorse/status/1936210326799716811) by [Vishwa Naik](https://x.com/hrojantorse)

- [Checkpoint #4: Berlinterop](https://blog.ethereum.org/2025/06/19/checkpoint-4) by [nixo.eth](https://x.com/nixorokish) summarizes the Ethereum Interop Hacking Week in Berlin, progress on Fusaka devnets, gas limit stress testing, long-term research directions, and more.
  - [Post](https://x.com/nixorokish/status/1935652195741171932) by [nixo.eth](https://x.com/nixorokish)

* * *

✉ [**Sign up here**](https://flashbots.net/the-mev-letter) if you’d like to get The MEV Letter straight to your inbox!  
[Previous editions](https://collective.flashbots.net/tag/the-mev-letter)
