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Based Espresso: ad-hoc shared sequencing for all L2s, from based rollups to validiums - HackMD

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Many thanks to Justin Drake and Brendan Farmer for thoughtful discussions, helpful comments, and review of this article. TLDR: Espresso is creating a marketplace for shared sequencing through which Layer-2 chains sell blockspace to shared proposers, including the proposer for the Ethereum mainnet EVM itself, who create surplus value by satisfying user intents across multiple chains. Our mission has always been to bring renewed unity to Ethereum Layer-2 chains. Over the last few years, rollups and validiums have enriched the greater Ethereum ecosystem with horizontal scalability and a diversity of execution environments, but at the expense of fragmentation — apps across rollups do not have the same shared liquidity and interoperability as apps on the Ethereum L1. The value of Ethereum is in its unity, not fragmentation — this is the promise of trust-minimized infrastructure and what differentiates Web3 from Web2. Ultimately, end users want secure, convenient, and low-cost means to pay o

Based Espresso: ad-hoc shared sequencing for all L2s, from based rollups to validiums - HackMD # Based Espresso: ad-hoc shared sequencing for all L2s, from based rollups to validiums *Written by Ben Fisch, CEO and Co-Founder at Espresso Systems, published 8 March 2024* *Many thanks to Justin Drake and Brendan Farmer for thoughtful discussions, helpful comments, and review of this article.* --- ***TLDR:** Espresso has proposed creating a marketplace for shared sequencing through which layer-2 chains sell blockspace to shared proposers, including the proposer for the Ethereum mainnet EVM itself,

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