# The MEV Letter #86

**URL:** https://collective.flashbots.net/t/the-mev-letter-86/4926
**Category:** The Flashbots Ship
**Tags:** the-mev-letter
**Created:** [May 6, 2025, 10:59pm UTC](https://collective.flashbots.net/t/the-mev-letter-86/4926 "2025-05-06T22:59:30Z")
**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: [May 6, 2025, 10:59pm UTC](https://collective.flashbots.net/t/the-mev-letter-86/4926/1 "2025-05-06T22:59:30Z")

</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

- [Beaverbuild → BuilderNet](https://buildernet.org/blog/beaverbuild) by [Flashbots](https://www.flashbots.net/) announces that [beaverbuild](https://beaverbuild.org/) is retiring their centralized block builder to work full time on [BuilderNet](https://buildernet.org/) as a development partner to accelerate its roadmap.
  - [Forum Post](https://collective.flashbots.net/t/announcement-beaverbuild-buildernet/4924) by [Shea Ketsdever](https://twitter.com/SheaKetsdever)

- [buildernet.txt](https://beaverbuild.org/buildernet.txt) by[beaverbuild](https://beaverbuild.org/) announces the retirement of their legacy block builder to co-develop [BuilderNet](https://buildernet.org/) in order to ensure block building is decentralised, uncensorable, and neutral.
  - [Post](https://x.com/beaverbuild/status/1919752626935087368) by [beaverbuild](https://beaverbuild.org/)

- [Live on Unichain: Fair Transaction Ordering and MEV Protection](https://blog.uniswap.org/rollup-boost-is-live-on-unichain?utm_medium=blog&utm_source=twitter&utm_campaign=rollup-boost&utm_content=blog) by [Uniswap Labs](https://uniswap.org/) announces [Unichain](https://www.unichain.org/) as the first L2 to build blocks inside of TEEs via [Rollup-Boost](https://writings.flashbots.net/introducing-rollup-boost), enabling fair transaction ordering, MEV protection, and revert protection.
  - [Thread](https://x.com/unichain/status/1918290979368407403) by [Unichain](https://www.unichain.org/)

- [The First L2 TEE Block Builder is Live on Unichain Mainnet](https://writings.flashbots.net/unichain-mainnet) by [Flashbots](https://www.flashbots.net/) announces [Unichain](https://www.unichain.org/) as the first L2 to release [Rollup-Boost](https://writings.flashbots.net/introducing-rollup-boost) and deploy TEE block building on mainnet.
  - [Forum post](https://collective.flashbots.net/t/the-first-l2-tee-block-builder-is-live-on-unichain-mainnet/4917) by [dmarz](https://www.dmarz.xyz/)

- [Beyond Speed: Building for Efficient Onchain Markets](https://blog.uniswap.org/beyond-speed-building-for-efficient-onchain-markets) by [Uniswap Labs](https://uniswap.org/) describes [Unichain](https://www.unichain.org/)’s strategy to enable fast, fair, and verifiable sequencing via [Rollup-Boost](https://writings.flashbots.net/introducing-rollup-boost), and enhanced UX via seamless interoperability.
  - [Thread](https://x.com/unichain/status/1919429195081392316) by[Unichain](https://www.unichain.org/)

- [Understanding Based Rollups: PGA Challenges, Total Anarchy, and Potential Solutions Part 2](https://ethresear.ch/t/understanding-based-rollups-pga-challenges-total-anarchy-and-potential-solutions-part-2/22266) by [Davide Rezzoli](https://x.com/0xseiryu) presents the result of [FRP-47](https://github.com/flashbots/mev-research/blob/main/FRPs/active/FRP-47.md) which examines inefficiencies and improvement opportunities in [Taiko](https://taiko.xyz/)’s total anarchy model for based block production.
  - [Thread](https://x.com/0xseiryu/status/1919391496932864296) by [Davide Rezzoli](https://x.com/0xseiryu)

- [Report: Builder multiplexing in PBS (v1)](https://github.com/shtukaresearch/pbs-research/releases/tag/builder-muxing-v1) by [Andrew W. Macpherson](https://x.com/awmacp) presents an incentive model of builder multiplexing, and builder market centralization as a result of exclusive orderflow.
  - [Forum post](https://ethresear.ch/t/incentives-of-builder-multiplexing-in-pbs/22239) by[Andrew W. Macpherson](https://x.com/awmacp)
  - [Thread](https://x.com/awmacp/status/1917540519607152911) by[Andrew W. Macpherson](https://x.com/awmacp)

- [Latency Advantages in Common-Value Auctions](https://arxiv.org/abs/2504.02077) by[Ciamac Moallemi](https://moallemi.com/ciamac/), [Mallesh Pai](https://sites.google.com/view/malleshpai/), [Dan Robinson](https://x.com/danrobinson) studies how latency advantages affect the feasibility of conducting auctions onchain.
  - [Timing Advantages in Onchain Auctions](https://www.paradigm.xyz/2025/05/timing-advantages-in-onchain-auctions) by[Ciamac Moallemi](https://moallemi.com/ciamac/),[Mallesh Pai](https://sites.google.com/view/malleshpai/), and[Dan Robinson](https://x.com/danrobinson)
  - [Thread](https://x.com/malleshpai/status/1918316491424112737) by[Mallesh Pai](https://sites.google.com/view/malleshpai/)
  - [Thread](https://x.com/danrobinson/status/1918322788626252119) by[Dan Robinson](https://x.com/danrobinson)

- [Delayed Execution and Free DA](https://ethresear.ch/t/delayed-execution-and-free-da/22265) by [Toni Wahrstätter](https://toniwahrstaetter.com/) and [Francesco](https://x.com/fradamt) details how [EIP-7886](https://eips.ethereum.org/EIPS/eip-7886) is designed to decouple block validity from execution in order to scale Ethereum L1.
  - [Thread](https://x.com/nero_eth/status/1919653494291644924) by [Toni Wahrstätter](https://toniwahrstaetter.com/)

- [Simplifying the L1](https://vitalik.eth.limo/general/2025/05/03/simplel1.html) by [Vitalik Buterin](https://vitalik.eth.limo/) presents a phased approach for simplifying Ethereum to increase resilience, scalability, and accessibility.
  - [Thread](https://x.com/VitalikButerin/status/1918562016329162844) by [Vitalik Buterin](https://vitalik.eth.limo/)

- [Playing Arbitrum’s latency games for fun and profit](https://ashiq.co.za/posts/Arbitrum-latency-game/) by [Ashiq](https://ashiq.co.za/) describes the technical progression of an MEV bot optimized for single-block backruns on [Arbitrum](https://arbitrum.io/).
  - [Thread](https://x.com/AshiqAmien/status/1917601528271040896) by [Ashiq](https://ashiq.co.za/)

- [Liveness attack in Ethereum PoS protocol using RANDAO manipulation](https://ethresear.ch/t/liveness-attack-in-ethereum-pos-protocol-using-randao-manipulation/22241) by[Mingfei Zhang](https://ethresear.ch/u/mart1i1n) presents a liveness attack on Ethereum where the adversary uses RANDAO manipulation and the withholding of attestations to prevent finality.

# Posts & Threads

- [The Flashbots Internship Experience](https://x.com/0xOptimus/status/1917694173932593555) by [Optimus](https://x.com/0xOptimus) details their experience as an intern at [Flashbots](https://www.flashbots.net/) with a focus on illuminating L2 MEV.
- [Xin Wan](https://x.com/xin__wan) published a [thread](https://x.com/xin__wan/status/1919428701789307262) on how [Unichain](https://www.unichain.org/)’s implementation of [Rollup-Boost](https://writings.flashbots.net/introducing-rollup-boost) enables verifiable revert protection to improve both market efficiency and blockspace utilization.
- [EIP-7938: Exponential Gas Limit Increase via Default Client Voting Behavior](https://ethereum-magicians.org/t/eip-7938-exponential-gas-limit-increase-via-default-client-voting-behavior/23884/13) by [Dankrad Feist](https://x.com/dankrad) outlines the reasoning for [EIP-7938](https://eips.ethereum.org/EIPS/eip-7938) which aims to scale the Ethereum gas limit 100x over 4 years.
  - [Post](https://x.com/dankrad/status/1917678690852311333) by [Dankrad Feist](https://x.com/dankrad)

- [ladislaus.eth](https://x.com/ladislaus0x) published a[thread](https://x.com/ladislaus0x/status/1918273664639738238) sharing publications and collaborations by[EF Research](http://research.ethereum.foundation/) from the previous week.
- [Alex Nezlobin](https://x.com/0x94305) published a[thread](https://x.com/0x94305/status/1918760503045665001) examining whether priority taxes in AMMs can improve LP profitability by analyzing transaction data from [Base](https://www.base.org/).
- [Hart Lambur](https://x.com/hal2001) published a [post](https://x.com/hal2001/status/1918847908608364669) exploring how shorter block times, single slot finality, and L2 withdrawal periods impact UX in intent-based systems.

# Talks & Discussions

- [beam call #5 (APS: attester-proposer separation)](https://www.youtube.com/watch?v=5OOzMqCOoKM) hosted by [Justin Drake](https://twitter.com/drakefjustin) invites [Julian Ma](https://twitter.com/_julianma) to present [Attester-Proposer Separation](https://efdn.notion.site/Attester-Proposer-Separation-Tracker-15bd9895554180c2ac75cb40878ecd33) as a way to minimize validator complexity and mitigate issues related to proposer timing, centralization, and MEV.
  - [Thread](https://x.com/ladislaus0x/status/1919301673861693945) by [ladislaus.eth](https://x.com/ladislaus0x)

- [MEV Space #6: Profit or Promise](https://x.com/i/spaces/1dRKZYRzAvXxB) hosted by [EigenPhi](https://eigenphi.io/) invites [Murat Akdeniz](https://x.com/MuratLite), [Kevin Lepsoe](https://x.com/lepsoe), [Drew Van der Werff](https://x.com/DrewVdW), and [Benjamin Hunter](https://x.com/philosowrapter) to discuss preconfirmations, censorship, and MEV.
  - [Post](https://x.com/eigenphi/status/1917247549083361344) by[EigenPhi](https://eigenphi.io/)

- [L2 Interop Working Group Call #8](https://www.youtube.com/watch?v=cztPD76q2as) hosted by[Josh Rudolf](https://x.com/rudolf6_) invites [TiTi](https://x.com/titi0x) to present [RFC: Universal Address Formats for Interoperability (ERC-7828 & ERC-7930)](https://defi-wonderland.notion.site/RFC-Universal-Address-Formats-for-Interoperability-ERC-7828-ERC-7930-1e09a4c092c78084b56ed8a3b20aa098) by [Wonderland](https://defi.sucks/).
  - [Notes](https://notes.ethereum.org/@rudolf/interop-8) by[Josh Rudol](https://x.com/rudolf6_)
  - [Thread](https://x.com/rudolf6_/status/1917719503049482579) by[Josh Rudolf](https://x.com/rudolf6_)
  - [Thread](https://x.com/defi_wonderland/status/1917720442921435370) by[Wonderland](https://defi.sucks/)

# Other

- [mev-boost-relay v0.30.0](https://github.com/flashbots/mev-boost-relay/releases/tag/v0.30.0) by [Flashbots](https://www.flashbots.net/) has been released with [Pectra-compatibility](https://github.com/flashbots/mev-boost-relay/pull/613), [SSZ support for the Proposer API](https://github.com/flashbots/mev-boost-relay/pull/685), and more.
- [Pectra Mainnet Checklist](https://ethpandaops.io/posts/pectra-mainnet-checklist/) by [ethPandaOps](https://ethpandaops.io/) provides information on Pectra, including its activation schedule, required node updates, and tools for monitoring network health.
  - [Post](https://x.com/ethPandaOps/status/1918199466169143493) by [ethPandaOps](https://ethpandaops.io/)
  - [Thread](https://x.com/samcmAU/status/1918216183846977785) by [Sam Calder-Mason](https://x.com/samcmAU)

- [Post Pectra Dashboard](https://www.pectra.info/) by [A41](https://a41.io/) tracks real-time network performance and validator consolidation after Pectra.
  - [Forum post](https://ethresear.ch/t/post-pectra-in-practice-a-public-dashboard-for-real-world-p2p-metrics/22251) by [A41](https://a41.io/)

- [Ethereum roadmap](https://ethereum.org/en/roadmap/) by [ethereum.org](http://ethereum.org/) is an interactive Ethereum roadmap with information on upcoming hardforks and ongoing research.
  - [Post](https://x.com/ethdotorg/status/1919309621245665408) by [ethereum.org](http://ethereum.org)

- [TLDR April Newsletter](https://substack.com/home/post/p-162546940) by [The Latest in Defi Research](https://www.thelatestindefi.org/) highlights papers and research previews published by TLDR fellows last month.

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