Modular blockchain project Celestia has introduced Blobstream for the Arbitrum ecosystem, allowing developers to create custom chains (called Orbit) using Celestia for data availability.
The Orbit chain can be a layer 2 chain that settles directly on Ethereum, or a layer 3 chain that can settle on Arbitrum’s own layer 2: Arbitrum One.
Deploying Blobstream in this context allows you to leverage the Celestia light client for data availability sampling (DAS) in L2 and L3 rollups. This is a technology that ensures that data related to transactions and state changes is accessible to all network participants.
This integration will give Arbitrum’s Orbit chain the ability to publish data to Celestia in addition to its existing setup, which may be more costly or overly complex for many developers.
Blobstream therefore aims to simplify the process for Arbitrum developers to utilize DAS and eliminate the need to set up a data availability “committee” to launch their own chain. Previously, meeting these requirements required an independent data availability committee to store data and make it available when needed.
“Prior to Celestia, throughput limitations required developers building expressive on-chain applications to migrate to alt-L1 or the overhead of recruiting committees to deploy their own chains,” Celestia said. “Blobstream allows developers to continue building in the Ethereum ecosystem.”
Celestia developed Blobstream in collaboration with Succinct Labs. This solution leverages Succinct Labs’ zero-knowledge light client to pass proof of Celestia’s data roots to the Orbit smart contract.
Blobstream’s latest distribution follows: release Last week in the Base ecosystem.
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