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Metro: a rollup architecture for shared sequencers (Modular insights #4)
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We welcome Evan for the fourth episode of Modular Insights to give a presentation on Metro, an idea for shared sequencers and lazy rollups.
Timestamps 🕒
0:00 Intro
2:50 the problem with decentralized rollups
5:37 separating transaction aggregation and execution
9:39 shared sequencers
11:54 Paying for gas
13:28 Inheriting fork choice rule
14:35 Atomic transaction inclusion
16:18 Swapping shared sequencer sets
17:48 Sequencer MEV
20:13 Shared mempool
20:51 Tradeoffs of Metro
21:55 Difference from Flashbots’ SUAVE
24:01 Immediate vs deferred execution
26:30 Lazy rollups
28:35 Lay rollup comparison
31:52 Deploying a lazy rollup
33:36 Soft finality
36:09 Concluding architecture
39:48 Q&A
54:18 End
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