Josh, Co-founder of Astria, talks about shared sequencers and their benefits for rollup developers, including cost-sharing and competitive experiences. He discusses the trade-offs and constraints of using a shared sequencer, like block time and potential lock-in. The podcast also explores the evolving landscape of optimistic rollups vs. ZK rollups and the challenges of building a cost-competitive shared sequencer in the market.
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Quick takeaways
Shared sequencing enhances transaction efficiency by distributing sequencing operations across rollups.
ZK technology progress challenges the dominance of optimistic rollups in blockchain scalability solutions.
Base sequencing emphasizes direct dependence on L1 entities for block production in rollup technology.
Deep dives
Importance of Data Availability Layers in Blockchain Development
The podcast discusses the importance of data availability layers in the blockchain space. It delves into the significance of data availability sampling and its impact on making blockchain data more accessible and secure. By exploring concepts like Celestia's fractional storage option, the episode highlights how new approaches to data availability can improve blockchain scalability and decentralization.
Transition to Shared Sequencer Networks
The episode transitions to the concept of shared sequencers in blockchain networks. It explains the shift towards decentralized sequencing and the emergence of shared sequencing as a solution for scalability and decentralization. The discussion covers the rationale behind shared sequencers, emphasizing the need to distribute sequencing operations across various rollups and state machines for a more efficient and secure setup.
Trade-Offs and Considerations with Shared Sequencers
The conversation narrows down to the trade-offs and considerations related to using shared sequencers in blockchain ecosystems. It examines constraints such as block times and potential lock-in issues, providing insights into how shared sequencers function as distinct blockchains within a network. The episode also delves into the advantages of shared sequencers, outlining cost-effective solutions for developers looking to optimize their network's infrastructure.
Evolution of Optimistic and ZK Rollups
The landscape of optimistic and ZK rollups is evolving rapidly, challenging the initial perception that optimistic rollups would be more practical sooner than ZK rollups. Progress in ZK technology has been substantial, prompting discussions on the advantages of ZK rollups over optimistic ones. The distinct phases of sequencing and bridging assets highlight the role of fraud proofs and validity proofs in ensuring the trustworthiness of transactions.
Exploring Base Sequencing in Rollup Technology
Base sequencing in rollup technology involves block production dependent on L1 entities, contrasting with existing rollups that utilize third-party sequencers. The concept of base sequencing emphasizes posting raw data to L1 for compression benefits without extensive execution costs. The discussion extends to pre-confirmations, shared sequencing, and the economic implications of shared dependency between rollup platforms and the L1 Ethereum network.
Josh, the co-founder of Astria, discusses the journey from data availability layers to building a shared sequencer network. He explains the concept of shared sequencing and its advantages, such as amortizing the cost of engineering and providing a competitive experience for rollup developers. He also addresses the trade-offs and constraints of using a shared sequencer, including the block time and potential lock-in. Josh highlights the target market for shared sequencers and the potential value accrual in a world where multiple rollups tap into the same shared sequencer. Astria is focused on building a shared sequencer for rollups, which allows for faster and more cost-effective transactions. The market is still evaluating the cost and security trade-offs of shared sequencers versus centralized providers. The architecture of a shared sequencer relies on a distributed network, but it remains to be seen if it can be cost-competitive in the market. There is also an ideological question of where to draw the line between a developer building an app-specific rollup on a centralized sequencer and writing to a base layer. The landscape of optimistic rollups versus ZK rollups is constantly evolving, with ZK technology progressing significantly. Base sequencing refers to rollups that are purely dependent on the block producers of the L1, while shared sequencing involves a separate sequencing layer. Astria's go-to-market strategy involves vertically integrating and building their own rollups on top of the shared sequencer to demonstrate its viability.
Josh's Twitter - https://twitter.com/Jskybowen
Chapters
00:00 Introduction and Background
17:14 Target Market for Shared Sequencers
25:11 Value Accrual in a World with Shared Sequencers
32:41 The Evolving Landscape of Optimistic Rollups and ZK Rollups
44:11 The Definition and Challenges of Base Sequencing
50:41 Astria's Go-to-Market Strategy: Vertically Integrating and Building Their Own Rollups
Disclosures
Disclosures: This podcast is strictly informational and educational and is not investment advice or a solicitation to buy or sell any tokens or securities or to make any financial decisions. Do not trade or invest in any project, tokens, or securities based upon this podcast episode. The host and members at Delphi Ventures may personally own tokens or art that are mentioned on the podcast. Our current show features paid sponsorships which may be featured at the start, middle, and/or the end of the episode. These sponsorships are for informational purposes only and are not a solicitation to use any product, service or token.
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