There's been an ongoing debate about whether or not we need more L2s. Without getting into too much of where *we* stand, the idea of new, EVM general purpose L2s is certainly in oversupply.
But, what about altVM L2s? Like Eclipse and their SVM design?
Originally, Eclipse was a strong proponent of modular scaling, advocating for multiple rollups to expand the ecosystem horizontally. But as their research deepened, theyâve seemingly changed messaging towards a different approachâone that focuses on a single, highly performant rollup that settles to Ethereum.
This isnât just a technical shift; itâs a response to the economic realities and incentive structures that come with managing execution and consensus in a rollup-centric world.
The "one big rollup" idea? Max out the sequencer, decentralize block validation, incentivize the app builders to stay on your chain, and let the flywheel rip.
But, is this the ideal path to scaling rollup infra? Or is the appchain model a better model?
In todayâs piece, weâll explore the challenges and opportunities that come with shared sequencingâa concept thatâs been gaining traction as a way to improve interoperability between different rollups. While shared sequencing could, in theory, create a more seamless onchain experience, Terry from Eclipse raises important questions about its economic viability. Specifically, theyâre concerned about how MEV and execution fees are distributed across multiple domains, potentially reducing the value for individual app chains.
Also, are the incentive structures completely misaligned for rollups to collaborate with a shared sequencer?
Weâll also touch on the concept of sovereign sequencing, where applications take control of their own transaction orderings, a trend thatâs gaining momentum as projects seek to capture more value and reduce reliance on general-purpose L2s. Finally, weâll discuss the broader implications of interoperability, which Terry argues is as much a social and economic challenge as it is a technical one.
This was a really fun episode. Quite technical, but understandable.
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