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Domothy, a researcher at the Ethereum Foundation, discusses the upcoming Ethereum upgrade called Blobspace, its impact on transaction costs and gas economics, and its relation to blockspace and blockspace markets. The podcast explores the implementation challenges of scalability solutions before rollups and introduces the upgrade EIP4844. It also delves into the concepts of blocks, blobs, and data in Ethereum, the benefits of upgrading to Layer 2s, and the role of polynomial commitments in blobs.
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Quick takeaways
- Blob Space is a new resource market introduced in Ethereum that provides a cheaper and more plentiful storage solution for rollups compared to traditional block space.
- Blob Space decouples data availability and data storage, ensuring that data is available for a limited time on-chain while long-term storage is moved to other solutions, leading to a more scalable and cost-efficient approach.
Deep dives
Blob Space: Cheaper and Plentiful Data Storage for Rollups
Blob Space is a new product introduced in Ethereum, specifically tailored for rollups. It provides a cheaper and more plentiful resource for rollups to store their data compared to traditional block space. Rollup sequencers can now store their fraud-proof data in Blob Space, which is separate from the data stored in blocks. Blob Space is decoupled from block space, allowing rollups to scale more easily and at a lower cost. This change is significant for rollups as it reduces their expenses and increases their scalability. Moreover, Blob Space is designed to ensure data availability rather than long-term data storage. Validators will need to update their hardware requirements to support Blob Space, but the increase is manageable, making it feasible for consumer-grade hardware. Overall, Blob Space accelerates the adoption of rollups and emphasizes a more scalable and cost-efficient approach to Ethereum.
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