Shared Sequencers in the Modular Stack | Josh Bowen, Ben Fisch

0xResearch

ZK or Optimistic Roll Ups?

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Espresso is looking to be VF agnostic meeting roll ups and sit on top of it. In our test net currently we as a proof of concept are running polygon Hermes but we're looking to support the OP stack too. I think we're going to start to see ZK being integrated into optimistic roll ups through the bridging between different roll ups in the long run that's my personal belief. We can see these zero knowledge proofs acting as essentially like an interoperability layer.

Join us on 0xResearch as Josh Bown (Astria) and Ben Fisch (Espresso Systems) join us to discuss the role of shared sequencers in the modular future. Josh and Ben explain how shared sequencers remove the risk of censorship, liveness and regulation for rollups while creating a layer for atomic composability. Will L2s choose to leverage a shared sequencer? What is the value proposition? Where will value and MEV capture occur? We discuss all of this and more!

And as usual, we start the episode with our analyst bullpen to discuss Voltz v2 cross-margining, Crypto's mobile-first UX improvement and an update on Arbitrum.

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Timestamps:

(00:00) Introduction

(00:59) Hot Seat/Cool Throne

(21:50) Interview Start: The Modular Stack

(24:23) The Role of Centralized Sequencers

(28:29) Lightspeed Promo

(29:10) Decentralized Sequencer Design

(36:28) Why Will L2s Use a Shared Sequencer?

(45:00) Cross-Rollup Atomic Composability

(53:12) Rollup MEV Capture

(1:01:00) A Winner-Takes-Most Market?

(1:04:20) Restaking: Aligning L1 and L2 Economic Value

(1:10:23) Who are the Ideal Users?

(1:14:33) Supported Virtual Machines

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Resources:

Voltz's new cross-margining product

https://twitter.com/voltz_xyz/status/1645741501002010624

Espresso Systems

https://www.espressosys.com/

https://twitter.com/EspressoSys

Astria

https://www.astria.org/

https://twitter.com/AstriaOrg

The Inevitability of UNIchain

https://medium.com/nascent-xyz/the-inevitability-of-unichain-bc600c92c5c4

Espresso on L1 and L2 economic incentive alignment

https://hackmd.io/@EspressoSystems/EspressoSequencer

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