# \#layer-2 **URL:** https://collective.flashbots.net/tag/layer-2/86.md [Latest](https://collective.flashbots.net/latest.md) · [Categories](https://collective.flashbots.net/categories.md) · [Tags](https://collective.flashbots.net/tags.md) --- ## [Beyond Flashtestations](https://collective.flashbots.net/t/beyond-flashtestations/5342)
**Author:** [@imtei](https://collective.flashbots.net/u/imtei)\ **Replies:** 1\ **Last updated:** [November 28, 2025, 6:13pm UTC](https://collective.flashbots.net/t/beyond-flashtestations/5342 "2025-11-28T18:13:16Z")
Hi, I’m Tei from Sunnyside Labs. Sunnyside Labs is a core dev company of Optimism Collective and Ethereum. We’re scaling Ethereum by contributing and building products. We’re sharing a high-level proposal to extend Fla… --- ## [L2 Demo Day October 16, 2025](https://collective.flashbots.net/t/l2-demo-day-october-16-2025/5328)
**Author:** [@optimus](https://collective.flashbots.net/u/optimus)\ **Replies:** 2\ **Last updated:** [October 20, 2025, 7:43am UTC](https://collective.flashbots.net/t/l2-demo-day-october-16-2025/5328 "2025-10-20T07:43:46Z")
Hey everyone! Incredible excited to be sharing 2 demos from our In our latest L2 Demo Day: Prop-AMMs: Top-of-Block price updates via global storage - Fahim Ahmed P2P Flashblocks: builder-to-builder sync & failover via … --- ## [L2 Demo August 2025](https://collective.flashbots.net/t/l2-demo-august-2025/5073)
**Author:** [@dmarz](https://collective.flashbots.net/u/dmarz)\ **Replies:** 10\ **Last updated:** [July 26, 2025, 10:43am UTC](https://collective.flashbots.net/t/l2-demo-august-2025/5073 "2025-07-26T10:43:29Z")
A dozen fresh hot demos, you can feel the speed of development in the L2 block building space accelerate with this one! --- ## [The First L2 TEE Block Builder is Live on Unichain Mainnet](https://collective.flashbots.net/t/the-first-l2-tee-block-builder-is-live-on-unichain-mainnet/4917)
**Author:** [@dmarz](https://collective.flashbots.net/u/dmarz)\ **Replies:** 3\ **Last updated:** [July 25, 2025, 7:56pm UTC](https://collective.flashbots.net/t/the-first-l2-tee-block-builder-is-live-on-unichain-mainnet/4917 "2025-07-25T19:56:16Z")
Unichain x Rollup-Boost We are excited to announce Unichain is the first L2 to release Rollup-Boost and deploy TEE block building on mainnet! Rollup-Boost upgrades the performance, programmability, and decentralization … --- ## [Bundles Are Coming to Unichain](https://collective.flashbots.net/t/bundles-are-coming-to-unichain/5072)
**Author:** [@dmarz](https://collective.flashbots.net/u/dmarz)\ **Replies:** 0\ **Last updated:** [July 9, 2025, 3:42pm UTC](https://collective.flashbots.net/t/bundles-are-coming-to-unichain/5072 "2025-07-09T15:42:12Z")
Bundles are one of the most important tools for transacting onchain. They allow users to privately express conditions and requirements that go beyond what is possible in normal transaction submission. Bundles are primari… --- ## [Automata \<\> Flashbots: TEE Validity Proof for OP-Stack](https://collective.flashbots.net/t/automata-flashbots-tee-validity-proof-for-op-stack/4059)
**Author:** [@YeChen](https://collective.flashbots.net/u/YeChen)\ **Replies:** 5\ **Last updated:** [January 16, 2025, 1:03pm UTC](https://collective.flashbots.net/t/automata-flashbots-tee-validity-proof-for-op-stack/4059 "2025-01-16T13:03:45Z")
Disclaimer: Please note that the architecture of TEE validity proof is currently in its early design phase, and the architecture described here is subject to change as development progresses. Acknowledgments: Special th… --- ## [Credible Blocks -- Security Guarantees in Block Building](https://collective.flashbots.net/t/credible-blocks-security-guarantees-in-block-building/4089)
**Author:** [@odyslam](https://collective.flashbots.net/u/odyslam)\ **Replies:** 0\ **Last updated:** [November 13, 2024, 5:47am UTC](https://collective.flashbots.net/t/credible-blocks-security-guarantees-in-block-building/4089 "2024-11-13T05:47:06Z")
Purpose This document presents the integration of the Credible Layer \[1\], a novel crypto-economic protocol which enables dapps to enforce their custom invariants on every transaction that interacts with them. The discuss… --- ## [Introduction to Rollup Boost Features, Architecture and Design](https://collective.flashbots.net/t/introduction-to-rollup-boost-features-architecture-and-design/4048)
**Author:** [@Shana](https://collective.flashbots.net/u/Shana)\ **Replies:** 0\ **Last updated:** [November 6, 2024, 10:22am UTC](https://collective.flashbots.net/t/introduction-to-rollup-boost-features-architecture-and-design/4048 "2024-11-06T10:22:10Z")
Check out the rollup-boost README for instructions on how to get started and the video explainer of this post for an end-to-end tracing demo with rollup-boost. I. Introduction Rollup Boost is a new, highly modular sidec… --- ## [Rollup-Boost Themed Discussion : Probing the Frontiers of MEV and TEEs](https://collective.flashbots.net/t/rollup-boost-themed-discussion-probing-the-frontiers-of-mev-and-tees/3982)
**Author:** [@Aden](https://collective.flashbots.net/u/Aden)\ **Replies:** 1\ **Last updated:** [October 20, 2024, 11:58am UTC](https://collective.flashbots.net/t/rollup-boost-themed-discussion-probing-the-frontiers-of-mev-and-tees/3982 "2024-10-20T11:58:08Z")
:rocket: Probing the Frontiers of MEV and TEEs: Rollup-Boost Unveiled ​Join us for an in-depth exploration of Rollup-Boost, a groundbreaking technology revolutionizing the rollup landscape. This cutting-edge event bring… --- ## [Introducing Rollup-Boost - Launching on Unichain](https://collective.flashbots.net/t/introducing-rollup-boost-launching-on-unichain/3959)
**Author:** [@system](https://collective.flashbots.net/u/system)\ **Replies:** 0\ **Last updated:** [October 10, 2024, 1:23pm UTC](https://collective.flashbots.net/t/introducing-rollup-boost-launching-on-unichain/3959 "2024-10-10T13:23:33Z")
We’ve developed a platform for performance, programmability, and decentralization extensions for Rollups. It is powering the upcoming Unichain. Today, we are announcing Rollup-Boost, a verifiable block building platform… --- ## [Maximal Arbitrage Value in Starknet. Nostra V2 Arbitrage Quantification](https://collective.flashbots.net/t/maximal-arbitrage-value-in-starknet-nostra-v2-arbitrage-quantification/3792)
**Author:** [@saguillo2000](https://collective.flashbots.net/u/saguillo2000)\ **Replies:** 0\ **Last updated:** [August 21, 2024, 6:36pm UTC](https://collective.flashbots.net/t/maximal-arbitrage-value-in-starknet-nostra-v2-arbitrage-quantification/3792 "2024-08-21T18:36:40Z")
Oriol Saguillo, Carlos Fiestas, Nethermind MEV Starknet Research have collaborated in this research The topic of Layer-2 Maximal Extractable Value (MEV) has emerged as a focal point of discourse in recent years, owing… --- ## [Decentralising Rollups](https://collective.flashbots.net/t/decentralising-rollups/3680)
**Author:** [@Quintus](https://collective.flashbots.net/u/Quintus)\ **Replies:** 2\ **Last updated:** [July 23, 2024, 9:52pm UTC](https://collective.flashbots.net/t/decentralising-rollups/3680 "2024-07-23T21:52:25Z")
L2 decentralisation has been a hot topic for over a year now, but we have yet to see many major moves across rollups. Recently, Vitalik provided a useful framework for understanding the landscape of options available to … --- ## [It’s time to talk about L2 MEV](https://collective.flashbots.net/t/it-s-time-to-talk-about-l2-mev/3593)
**Author:** [@sui414](https://collective.flashbots.net/u/sui414)\ **Replies:** 2\ **Last updated:** [July 6, 2024, 10:30pm UTC](https://collective.flashbots.net/t/it-s-time-to-talk-about-l2-mev/3593 "2024-07-06T22:30:30Z")
Thanks for edits, reviews & comments from Michael Silberling at OP Labs, GaussianProcess and Flashbots mates @bert, @Fred, @dmarz, @Hasu, @elainehu, @tesa! In this post, we aim to provide a data overview of the current… --- ## [Dealing with spam caused by on-chain searching](https://collective.flashbots.net/t/dealing-with-spam-caused-by-on-chain-searching/3381)
**Author:** [@Quintus](https://collective.flashbots.net/u/Quintus)\ **Replies:** 6\ **Last updated:** [May 14, 2024, 7:43pm UTC](https://collective.flashbots.net/t/dealing-with-spam-caused-by-on-chain-searching/3381 "2024-05-14T19:43:10Z")
We have seen a spamming dynamic on chains like Base and Solana in which searchers will fire off very many transactions, each with a very high probability of reverting and only capturing every now and then. The exact con… --- ## [MEV research on Optimism Bedrock upgrade](https://collective.flashbots.net/t/mev-research-on-optimism-bedrock-upgrade/2546)
**Author:** [@Daniel](https://collective.flashbots.net/u/Daniel)\ **Replies:** 1\ **Last updated:** [November 27, 2023, 5:22pm UTC](https://collective.flashbots.net/t/mev-research-on-optimism-bedrock-upgrade/2546 "2023-11-27T17:22:02Z")
Hello everyone, although there are a few research papers on MEV on L2s (here and here), I couldn’t find any research on the MEV impact of latest Optimism upgrade, where the FCFS sequencer was replaced by a gas fee marke… --- ## [Detecting and quantifying spam transactions on Polygon](https://collective.flashbots.net/t/detecting-and-quantifying-spam-transactions-on-polygon/2466)
**Author:** [@Eru\_Iluvatar](https://collective.flashbots.net/u/Eru_Iluvatar)\ **Replies:** 0\ **Last updated:** [September 25, 2023, 10:05am UTC](https://collective.flashbots.net/t/detecting-and-quantifying-spam-transactions-on-polygon/2466 "2023-09-25T10:05:47Z")
I have seen some evidence of tons of spam transactions being a dominant strategy on L2s due to their increased throughput and lower transaction fees. --------------------------------------------------------------------…