# The MEV Letter #155

**URL:** https://collective.flashbots.net/t/the-mev-letter-155/6068
**Category:** The Flashbots Ship
**Tags:** the-mev-letter
**Created:** [September 29, 2026, 9:14pm UTC](https://collective.flashbots.net/t/the-mev-letter-155/6068 "2026-09-29T21:14:08Z")
**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 29, 2026, 9:14pm UTC](https://collective.flashbots.net/t/the-mev-letter-155/6068/1 "2026-09-29T21:14:08Z")

</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

- [No Place to Hide: An Analysis on Protected Order Flow Sandwich Attacks](http://arxiv.org/abs/2609.28115v1) by [Lioba Heimbach](https://liobaheimba.ch), [Ozan Solmaz](https://arxiv.org/search/cs?searchtype=author&query=Solmaz,+O), @boz1 and [Christof Ferreira Torres](https://www.christoftorres.com/) studies protected order flow across six chains, finding persistent sandwich attacks on four and details how information leaks, reorgs, and predictable trading behavior can undermine front-running protections.
  - [Post](https://x.com/liobaheimbach/status/2103147621166497914) by [Lioba Heimbach](https://liobaheimba.ch)

- [How Much Must a Private Mempool Hide? Exact Leakage Thresholds for Sandwich Attacks](http://arxiv.org/abs/2609.31379v1) by [Tingyi Lin](https://arxiv.org/search/cs?searchtype=author&query=Lin,+T), [Jiazhuo Li](https://arxiv.org/search/cs?searchtype=author&query=Li,+J), and [Ruoran Lai](https://arxiv.org/search/cs?searchtype=author&query=Lai,+R) derives leakage thresholds for when partial information about a trade’s size guarantees profitable sandwich attacks in a simplified AMM model.
- [EVAGE: Autonomous MEV Generation and Adaptation via Multi-Agent Harness](http://arxiv.org/abs/2609.27424v1) by [Yan Wen](https://arxiv.org/search/cs?searchtype=author&query=Wen,+Y), [Zichun Cai](https://arxiv.org/search/cs?searchtype=author&query=Cai,+Z), [Iliya Mirzaei](https://www.linkedin.com/in/iliyamirzaei/), [Xiaohua Cai](https://arxiv.org/search/cs?searchtype=author&query=Cai,+X), [Mohammad Javad Amiri](https://www.linkedin.com/in/mjamiri/), [Haoxian Chen](https://www.linkedin.com/in/haoxian-chen-20b96b64/), and [Chenyuan Wu](https://chenyuanwu.com/) presents a multi-agent framework that autonomously generates and adapts MEV bots across protocols and chains.
- [The cryptographic world computer](https://vitalik.eth.limo/general/2026/09/27/the_cryptographic_world_computer.html) by [Vitalik Buterin](https://vitalik.eth.limo) describes Ethereum’s shift from a blockchain towards a _cryptographic world computer_ combining onchain consensus, cryptographic verification, and decentralized offchain computation.
  - [Post](https://x.com/vitalikbuterin/status/2104160561374343176) by [Vitalik Buterin](https://vitalik.eth.limo)

- [Chainlink Introduces CCIP 2.0, Opening the Floodgates for the World’s Capital to Flow Onchain](https://chain.link/blog/introducing-ccip-2-0) by [Chainlink](https://chain.link/) announces [CCIP 2.0](https://docs.chain.link/ccip) going live with new controls for cross-chain verification, configurable confirmation thresholds, and planned support for [Fast Confirmation Rule](https://fastconfirm.it/) (FCR).
  - [Thread](https://x.com/chainlink/status/2104550070922129569) by [Chainlink](https://chain.link/)
  - [Thread](https://x.com/ethlabs_org/status/2104583299125657786) by [Ethlabs](https://ethlabs.org/)
  - [Post](https://x.com/barnabemonnot/status/2104589359445905507) by [Barnabé Monnot](https://barnabemonnot.com/)
  - [Post](https://x.com/_julianma/status/2104656707800715673) by [Julian Ma](https://x.com/_julianma)
  - [Post](https://x.com/decentrek/status/2104591636802179571) by [Derek Chiang](https://derekchiang.com/)

# Posts & Threads

- [Arbitrum](https://arbitrum.io/) published a [thread](https://x.com/arbitrum/status/2103122976384368927) announcing that [Timeboost](https://docs.arbitrum.io/how-arbitrum-works/timeboost/gentle-introduction) has been phased out on Arbitrum One, and _Priority Gas Auctions_ and _Fast Feed_ are now live, enabling priority-fee bidding and paid early access to ordered transaction data.
- [Barnabé Monnot](https://x.com/barnabemonnot) published a [post](https://x.com/barnabemonnot/status/2102516338682171797) reflecting on [Ethlabs](https://ethlabs.org/)’ first three months, and their priorities for protocol development and L1–L2 coordination.
- [Barnabé Monnot](https://x.com/barnabemonnot) published a [post](https://x.com/barnabemonnot/status/2103237576496681227) announcing that [Quick Slots](https://eips.ethereum.org/EIPS/eip-8198) has been merged as a feature spec in the Ethereum consensus specs, while noting that inclusion in Hegotá is still undecided.
- [Blockspace](https://x.com/Blockspace_ETH) published a [thread](https://x.com/Blockspace_ETH/status/2103142861583610181) analyzing the first week of [MPBC](https://docs.blockspace.forum/mpbc/) across 3,500 multi-party blocks with 33k added transactions and 93 bps higher proposer fees.

# Talks & Discussions

- [Ready for Merge](https://x.com/ready4merge): [EIP-8363 post mortem](https://www.youtube.com/watch?v=IODLn6mZ7YM) invites [nixo.eth](https://x.com/nixorokish) to discuss [Tapered Issuance Burn](https://eips.ethereum.org/EIPS/eip-8363), the trade-offs of changing Ethereum’s issuance, and the role of social consensus.
- [All Core Devs - Execution (ACDE) #246, September 24, 2026](https://www.youtube.com/watch?v=Kff_x7n5OWk) hosted by [nixo.eth](https://x.com/nixorokish) covered Glamsterdam testnet readiness, Sepolia’s 200M gas-limit target, and Hegotá EIP scoping.
  - [Agenda](https://github.com/ethereum/pm/issues/2223) by [nixo.eth](https://x.com/nixorokish)
  - [Notes](https://etherworld.co/ethereum-protocol-update-acde-246/) by [Yash Kamal Chaturvedi](https://x.com/YashKamalChatu1)
  - [Post](https://x.com/nixorokish/status/2103164113841250376) by [nixo.eth](https://x.com/nixorokish)

- [All Core Devs - Testing (ACDT) #98, September 28, 2026](https://www.youtube.com/watch?v=-7l2yAQQSm8) hosted by [Justin Traglia](https://x.com/JustinTraglia) discussed Glamsterdam devnet updates, Sepolia Glamsterdam preperations, 200M gas-limit target, and more.
  - [Agenda](https://github.com/ethereum/pm/issues/2230) by [Justin Traglia](https://x.com/JustinTraglia)
  - [ACDT #98 (CL Breakout)](https://www.youtube.com/watch?v=Lp6PzaGdJCg)

- [FOCIL Breakout #43, September 29, 2026](https://www.youtube.com/watch?v=0tocJVibSE8) hosted by [Jihoon Song](https://x.com/jih2nn) covered [FOCIL](https://eips.ethereum.org/EIPS/eip-7805) testing and implementation updates.
  - [Agenda](https://github.com/ethereum/pm/issues/2235) by [Jihoon Song](https://x.com/jih2nn)

- [Frame Transaction Breakout #5, Sep 22, 2026](https://www.youtube.com/watch?v=Uhrx_xh_Hhg) hosted by [Marc Garreau](https://github.com/wolovim) discussed[Frame transactions](https://eips.ethereum.org/EIPS/eip-8141) devnet, specification changes, client progress, and wallet tooling.
  - [Agenda](https://github.com/ethereum/pm/issues/2221) by [Marc Garreau](https://x.com/wolovim)
  - [Notes](https://x.com/wolovim/status/2103156937005134181) by [Marc Garreau](https://github.com/wolovim)

# Other

- [EarlyAttestationBleed Paper Review](https://collective.flashbots.net/t/earlyattestationbleed-paper-review/6054) by @peg reviews _[EarlyAttestationBleed: Three Critical-severity Vulnerabilities of CVSS ≥ 9.0 in Confidential Computing](https://www.researchgate.net/publication/414529199_EarlyAttestationBleed_Three_Critical-severity_Vulnerabilities_of_CVSS_90_in_Confidential_Computing)_ by [Muhammad Usama Sardar](https://www.linkedin.com/in/usama-sardar/) and [Songbo Bu](https://www.researchgate.net/profile/Songbo-Bu?_tp=eyJjb250ZXh0Ijp7ImZpcnN0UGFnZSI6InB1YmxpY2F0aW9uIiwicGFnZSI6InB1YmxpY2F0aW9uIn19) and the tree patched vulnerabilities in [Cocos AI](https://www.ultraviolet.rs/products/cocos-ai/) and [Contrast](https://www.edgeless.systems/products/contrast) involving attestation verification and workload-policy checks.
- [all-Protocol update — Sept 2026](https://x.com/corcoranwill/status/2104283555018731995) by [Will Corcoran](https://x.com/corcoranwill) provides an update from [EF Protocol](https://protocol.ethereum.foundation/) covering Glamsterdam testing, Hegotá devnets, post-quantum migration plan, faster block propagation, and more.
  - [Post](https://x.com/corcoranwill/status/2104350523298091223) by [Will Corcoran](https://x.com/corcoranwill)

- [Glamsterdam Testnet Announcement](https://blog.ethereum.org/en/2026/09/17/glamsterdam-testnet-announcement) by [EF Protocol](https://protocol.ethereum.foundation/) announces Glamsterdam’s _October 6_ activation on Sepolia, with dates for Hoodi and mainnet still undecided.
  - [Post](https://x.com/ralexstokes/status/2104719613519184019) by [Alex Stokes](https://stokes.io)

- [Ethlabs is online. Week 14.](https://x.com/fradamt/status/2104259907222405363) by [Francesco D’Amato](https://twitter.com/fradamt) outlines recent work from [Ethlabs](https://ethlabs.org/) covering [Quick Slots](https://quickslots.info/), [Verified Fast Confirmation](https://github.com/fradamt/verified-fast-confirmation), [Frame transactions](https://eips.ethereum.org/EIPS/eip-8141), and blob scaling.
  - [Post](https://x.com/ethlabs_org/status/2104265653226029094) by [Ethlabs](https://ethlabs.org/)

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