Solana Labs co-founder proposes a 'metachain' to solve blockchain fragmentation

Anatoly Yakovenko, co-founder of Solana Labs, has proposed a proposal to solve the problem of splitting among blockchain networks, one of the main challenges of Web3. This proposal introduces the concept of “metachain”, which is able to aggregate and sort data from multiple layer 1 (L1) blockchains such as Ethereum, Celestia, and Solana.

According to a May 12 post on X-Network, Yakovenko suggests that Metachain can leverage a third-party data availability (DA) layer to access the cheapest DA products at any point in time. "This will enable Metachain to use the cheapest DA products available today," the developer said.

The goal of blockchain is to publish data anywhere, including Ethereum, Celestia, and Solana, and merge data from all chains into a single sort through specific rules. This will allow Metachain to take advantage of the cheapest DA offers at present.

• Tori?? (@aeyakavenko) May 12, 2025

The data availability layer is the structure that stores and provides the data needed to verify blockchain transactions. As the cryptocurrency ecosystem grows and becomes more interconnected, solutions that improve interoperability between networks become crucial.

Currently, the L1 blockchain operates in isolation, making direct communication between them difficult. This split has prompted multiple projects to seek integration mechanisms. Yakovenko's proposal has joined other initiatives that also attempt to expand the use of blockchain as a DA layer.

For example, Ethereum is preparing for a major upgrade called Fusaka, which is expected to be implemented by the end of 2025. This upgrade will include EIP-7594, which is expected to extend the capabilities of the Ethereum mainnet by converting it into a more efficient DA layer.

Although Solana proposes a framework that can coordinate data exchanges among different blockchains, other projects focus on improving their network’s ability to provide such services autonomously. Discussions about interoperability solutions remain at the heart of the future of the industry.

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