# The MEV Letter #107 **URL:** https://collective.flashbots.net/t/the-mev-letter-107/5298 **Category:** The Flashbots Ship **Tags:** the-mev-letter **Created:** [October 1, 2025, 11:14am UTC](https://collective.flashbots.net/t/the-mev-letter-107/5298 "2025-10-01T11:14:32Z") **Posts on this page:** 1 **Page:** 1
### 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: [October 1, 2025, 11:14am UTC](https://collective.flashbots.net/t/the-mev-letter-107/5298/1 "2025-10-01T11:14:32Z")
_ **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. -[_Explore all previous editions via The MEV Letter explorer_](https://collective.flashbots.net/t/explorer/100). * * * # Papers & Articles - [Designing Ethereum’s Geographical (De)Centralization Beyond the Atlantic](https://arxiv.org/abs/2509.21475) by @syang, @boz1, [Fei Wu](https://x.com/William33203632), and [Fan Zhang](https://www.fanzhang.me/) studies the impact of protocol design on geographical decentralization, and finds that PBS gives proposers more equal access to value, provided relays are strategically placed. - [Geographical Decentralization Simulation](https://geo-decentralization.github.io/) by @syang, @boz1, [Fei Wu](https://x.com/William33203632), and [Fan Zhang](https://www.fanzhang.me/) - [Flashblocks: Deep Dive - 250ms preconfirmations on OP Mainnet](https://www.optimism.io/blog/flashblocks-deep-dive-250ms-preconfirmations-on-op-mainnet) by [Yashvardhan Kukreja](https://x.com/yashkukreja98) announces that [Flashblocks](https://github.com/flashbots/rollup-boost/blob/main/specs/flashblocks.md) are live on [OP mainnet](https://www.optimism.io/), streaming sub-blocks every 250ms to improve transaction speed, reliability, and user experience. - [Thread](https://x.com/optimism/status/1972740279934546291) by [Optimism](https://www.optimism.io/) - [When Priority Fails: Revert-Based MEV on Fast-Finality Rollups](https://arxiv.org/abs/2506.01462) by [Krzysztof Gogol](https://x.com/krzysgogol), [Manvir Schneider](https://x.com/manv_sc), and [Claudio Tessone](https://www.linkedin.com/in/claudiotessone) examines the economics of transaction reverts on rollups, demonstrating they are not always accidental failures but an equilibrium outcome of certain MEV strategies. - [FRP-49: Transaction Revert and MEV on L2s](https://github.com/flashbots/mev-research/blob/main/FRPs/completed/FRP-49.md) by[Krzysztof Gogol](https://x.com/krzysgogol),[Manvir Schneider](https://x.com/manv_sc), and[Claudio Tessone](https://www.linkedin.com/in/claudiotessone) - [Dstack: A Zero Trust Framework for Confidential Containers](https://arxiv.org/abs/2509.11555) by [Shunfan Zhou](https://x.com/zhou49), [Kevin Wang](https://github.com/kvinwang),[and Hang Yin](https://x.com/bgmshana) presents [dstack](https://github.com/Dstack-TEE/dstack) as a comprehensive framework that transforms raw TEE technology into a true Zero Trust platform tailored for decentralized Web3 applications. - [Blog post](https://phala.com/posts/dstack-whitepaper-a-zero-trust-framework-for-confidential-containers) by [Phala](https://phala.com/) - [Thread](https://x.com/phalanetwork/status/1971952974428885031) by [Phala](https://phala.com/) - [Bribers, Bribers on The Chain, Is Resisting All in Vain? Trustless Consensus Manipulation Through Bribing Contracts](https://eprint.iacr.org/2025/1719) by [Bence Soóki-Tóth](https://x.com/0xSooki), [István András Seres](https://x.com/Istvan_A_Seres), [Kamilla Kara](https://www.linkedin.com/in/kamilla-kara-30a670284/), [Ábel Nagy](https://www.linkedin.com/in/%C3%A1bel-nagy-368206141/), [Balázs Pejó](https://www.crysys.hu/~pejo/), and [Gergely Biczók](https://www.linkedin.com/in/gergely-biczok-6a96b79/) evaluates three novel bribery attacks targeting Ethereum validators to; fork the chain, exit the protocol, or bias RANDAO. - [Forum post](https://ethresear.ch/t/trustless-consensus-manipulation-through-bribing-contracts/23090) by[Bence So´oki-T´oth](https://x.com/0xSooki) - [Thread](https://x.com/Istvan_A_Seres/status/1970043823360557200) by [István András Seres](https://x.com/Istvan_A_Seres) - [The Express Lane to Spam and Centralization: An Empirical Analysis of Arbitrum’s Timeboost](https://arxiv.org/abs/2509.22143) by [Johnnatan Messias](https://johnnatan-messias.github.io/) and [Christof Ferreira Torres](https://www.christoftorres.com/) analyzes auctions from [Arbitrum](https://arbitrum.io/)’s [Timeboost](https://github.com/OffchainLabs/timeboost-design) from April to July 2025, arguing it fails to deliver on its stated goals of fairness, decentralization, and spam reduction. - [Toward Semantic Block Chunking](https://ethresear.ch/t/toward-semantic-block-chunking/23129) by[Toni Wahrstätter](https://toniwahrstaetter.com/) presents a chunked block model that separates independently verifiable execution chunks and state diffs, enabling streaming validation and reducing propagation latency. - [Thread](https://x.com/nero_eth/status/1972933789354696977) by [Toni Wahrstätter](https://toniwahrstaetter.com/) - [BALs for Proposer Commitments](https://ethresear.ch/t/bals-for-proposer-commitments/23095) by [Jason Vranek](https://x.com/jasnoodle) proposes modifications to [BALs](https://eips.ethereum.org/EIPS/eip-7928) to simplify and standardize proposer commitment protocols, with a focus on execution preconfirmations. - [Post](https://x.com/jasnoodle/status/1970964109756973543) by [Jason Vranek](https://x.com/jasnoodle) - [The importance of full-stack openness and verifiability](https://vitalik.eth.limo/general/2025/09/24/openness_and_verifiability.html) by[Vitalik Buterin](https://vitalik.eth.limo/) emphasizes how increasing reliance on digital systems across finance, health, governance, and security necessitates open and verifiable infrastructure to mitigate centralization risks and preserve user autonomy. - [Post](https://x.com/VitalikButerin/status/1970672306520543721) by[Vitalik Buterin](https://vitalik.eth.limo/) - [Introducing The Compact](https://blog.uniswap.org/the-compact-v1) by [0age](https://x.com/z0age?lang=en),[Chris Cashwell](https://github.com/ccashwell),[Mark Gretzke](https://x.com/gretzke),[and Christian Angelopoulos](https://angelopoulos.xyz/) details the release of[The Compact v1](https://github.com/Uniswap/the-compact) as an ownerless [ERC-6909](https://eips.ethereum.org/EIPS/eip-6909) contract for reusable resource locks that enables tokens to be credibly committed in exchange for performing actions across chains. - [Post](https://x.com/Uniswap/status/1970518927781560739) by [Uniswap Labs](https://app.uniswap.org/) - [Thread](https://x.com/z0age/status/1970491557762474065) by [0age](https://x.com/z0age) - [Post](https://x.com/_weidai/status/1970970554653082101) by [Wei Dai](https://x.com/_weidai) # Posts & Threads - [Paul Grewal](https://x.com/iampaulgrewal) published a[thread](https://x.com/iampaulgrewal/status/1970206730878624211) arguing that labeling L2 sequencers as exchanges is misleading as they function as neutral infrastructure, deferring any matching rules to an app’s smart contracts. - [Thread](https://x.com/jessepollak/status/1970207301618594106) by[Jesse Pollak](https://x.com/jessepollak) - [Reply](https://x.com/VitalikButerin/status/1970258498996048247) by[Vitalik Buterin](https://vitalik.eth.limo/) - [Reply](https://x.com/rudolf6_/status/1970267479948787778) by[Joshua Rudolf](https://x.com/rudolf6_) - [0xprincess](https://x.com/0x9212ce55) published a [thread](https://x.com/0x9212ce55/status/1970857263314448603) announcing the launch of TOOL on the Hoodi testnet as a permissionless co-processor network with 1-second block times and verifiable end-to-end privacy. - [hildobby](https://x.com/hildobby) published a [thread](https://x.com/hildobby/status/1970875271843872815) highlighting that blobs per block have reached the Pectra target of 6 for the first time, primarily driven by [Base](https://www.base.org/) and [Worldcoin](https://world.org/th-th). - [Reply](https://x.com/VitalikButerin/status/1970983281090085200) by [Vitalik Buterin](https://vitalik.eth.limo/) - [Ethereum.org](http://ethereum.org) published a [thread](https://x.com/ethereum/status/1971260696311865593) by [Jonathan](https://x.com/jwmeyer) detailing the tradeoffs of various staking methods, and describes how independent home staking strengthens Ethereum’s resilience and decentralization. # Talks & Discussions - [All Core Devs - Execution (ACDE) #221](https://www.youtube.com/watch?v=1NIvzSliv44) hosted by [Tim Beiko](https://x.com/TimBeiko) covered [Fusaka testnet release schedule and client releases](https://blog.ethereum.org/2025/09/26/fusaka-testnet-announcement), 60M as the default gas limit in Fusaka, and Glamsterdam updates. - [Agenda](https://github.com/ethereum/pm/issues/1723) by [nixo.eth](https://x.com/nixorokish) - [Thread](https://x.com/poojaranjan19/status/1971213098733158747) by [Pooja Ranjan](https://x.com/poojaranjan19) - [Post](https://x.com/TimBeiko/status/1971237642626064573) by [Tim Beiko](https://x.com/TimBeiko) - [Post](https://x.com/trent_vanepps/status/1971306082644656286) by [trent.eth](https://x.com/trent_vanepps) - [Notes](https://etherworld.co/2025/09/25/highlights-from-the-all-core-developers-execution-acde-call-221/) by [Yash Kamal Chaturvedi](https://x.com/YashKamalChatu1) - [All Core Devs - Testing (ACDT) #55](https://www.youtube.com/watch?v=zYcxqTAyWvc) hosted by [Mario Vega](https://x.com/elbuenmayini) discussed Fusaka activation on testnets, client releases, Glamsterdam testing, and more. - [Agenda](https://github.com/ethereum/pm/issues/1736) by [danceratopz](https://x.com/danceratopz) - [Thread](https://x.com/poojaranjan19/status/1972662656856162656) by [Pooja Ranjan](https://x.com/poojaranjan19) - [Ethproofs Call #5](https://www.youtube.com/watch?v=2OvCaI1rJ1A) hosted by [Justin Drake](https://x.com/drakefjustin) covered the latest updates related to [Ethproofs](https://ethproofs.org/), and invited [donnoh.eth](https://x.com/donnoh_eth) for a presentation on native rollups. - [Thread](https://x.com/corcoranwill/status/1971653253810278809) by [Will Corcoran](https://x.com/corcoranwill) - [Thread](https://x.com/tcoratger/status/1971674263485829429) by [tcoratger](https://x.com/tcoratger) - [Post](https://x.com/donnoh_eth/status/1971661446003282178) by [donnoh.eth](https://x.com/donnoh_eth) - [EIP-7928 Breakout #3](https://www.youtube.com/watch?v=wyh8fhltqt0) hosted by[Toni Wahrstätter](https://toniwahrstaetter.com/) discussed design choices related to[BALs](https://eips.ethereum.org/EIPS/eip-7928), handling self-destruct within transactions, and using account storage root commitments to improve speed. - [Agenda](https://github.com/ethereum/pm/issues/1738) by[Toni Wahrstätter](https://toniwahrstaetter.com/) - [EIP-7732 Breakout Room Call #24](https://www.youtube.com/watch?v=DSXg_aFK44I) hosted by [Justin Traglia](https://twitter.com/JustinTraglia) discussed testing and client updates related to [ePBS](https://eips.ethereum.org/EIPS/eip-7732). - [Agenda](https://github.com/ethereum/pm/issues/1735) by[Justin Traglia](https://twitter.com/JustinTraglia) - [Post](https://x.com/poojaranjan19/status/1971577218435346526) by[Pooja Ranjan](https://x.com/poojaranjan19) - [FOCIL Breakout #21](https://www.youtube.com/watch?v=7Jy3QttPHoc) 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/1743) by[ Jihoon Song ](https://x.com/jih2nn) # Other - [MEV-Boost v1.10-alpha5](https://github.com/flashbots/mev-boost/releases/tag/v1.10-alpha5) by [Flashbots](https://www.flashbots.net/) has been released with support for the upcoming Fusaka upgrade on the Holešky, Sepolia, and Hoodi testnets. - [Post](https://x.com/PBS_Foundation/status/1973099085683990831) by [PBS Foundation](https://pbs.foundation/) - [MEV-Boost Relay v0.32.0-rc2](https://github.com/flashbots/mev-boost-relay/releases/tag/v0.32.0-rc2) by[Flashbots](https://www.flashbots.net/) has been released with support for the upcoming Fusaka upgrade on the Holešky, Sepolia, and Hoodi testnets. - [Post](https://x.com/PBS_Foundation/status/1973099085683990831) by[PBS Foundation](https://pbs.foundation/) - [MEV-Share Client (Rust)](https://github.com/owizdom/mev-share-client-rs) by[lab gremlin](https://x.com/oxwizzdom) is a Rust client library for interacting with the [MEV-Share protocol](https://github.com/flashbots/mev-share). - [Thread](https://x.com/oxwizzdom/status/1971286315690848506) by [lab gremlin](https://x.com/oxwizzdom) - [Fusaka Testnet Announcement](https://blog.ethereum.org/2025/09/26/fusaka-testnet-announcement) by [Ethereum Foundation](https://ethereum.foundation/) details client releases and activation timelines for Fusaka across the Holešky, Sepolia, and Hoodi testnets, starting October 1st. - [Post](https://x.com/TimBeiko/status/1971624974399218051) by [Tim Beiko](https://x.com/TimBeiko) - [Post](https://x.com/ralexstokes/status/1971624304053047739) by [Alex Stokes](https://stokes.io/) - [Sunnyside Devnet Updates - 09/30](https://testinprod.notion.site/Sunnyside-Devnet-Updates-09-30-27e8fc57f5468093b562f7161d3464f0) by [Test in Prod (Sunnyside Labs)](https://www.testinprod.io/) shares results from a devnet running [fusaka-devnet-5 spec](https://notes.ethereum.org/@ethpandaops/fusaka-devnet-5) on 1700 nodes, analyzing blob throughput, bandwidth bottlenecks, and client performance. - [Thread](https://x.com/testinprod_io/status/1973083889812803744) by [Test in Prod (Sunnyside Labs)](https://www.testinprod.io/) - [Post](http://smstack.eth) by [smstack.eth](https://x.com/StackDigest) - [Web3 to Wall Street Stablecoins 2030](https://www.citigroup.com/rcs/citigpa/storage/public/GPS_Report_Stablecoins_2030.pdf) by [Citi](https://www.citi.com/) analyzes the institutional adoption of stablecoins with broader integration into traditional financial infrastructure, projecting a multi-trillion-dollar market by 2030. - [Thread](https://x.com/davwals/status/1971191930114748479) by [David Walsh](https://x.com/davwals) * * * ✉ [**Sign up here**](https://flashbots.net/the-mev-letter) if you’d like to get The MEV Letter straight to your inbox! 🔮 [_Explore previous editions via The MEV Letter explorer_](https://collective.flashbots.net/t/explorer/100)