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The primary architect of the Celo blockchain, cLabs, plans to return home as an Ethereum layer-2 network using the Optimism stack.

cLabs said the decision had come after months of research and initial discussions with stakeholders, alongside technical development in rollups. The team announced it Saturday during the Ethereum Community Conference in Paris.

It has become a viable path by which to allow Celo to align even more closely with Ethereum by connecting trustlessly with it and leveraging its economic security, cLabs said.

In an optimistic rollup, transactions are first processed off-chain and considered valid even before theyre settled on Ethereum mainnet, a process which happens in batches hence the term optimistic.

cLabs is also planning to incorporate EigenDA, a data availability layer sourced from re-staking project EigenLayer. The move would aim to reduce network storage expenses.

The team intends to design a decentralized sequencer for use by Celos existing validators. The networks native token would still be used for governance. CELO, which started out on Ethereum as an ERC-20, has jumped 11% today to a $300 million market cap.

Detailed in the projects governance forum, Berlin-headquartered cLabs said adopting a rollup model for Celo could help the network grow.

Celo mainnet, which is EVM-compatible, launched on Earth Day in 2020 around two and a half years before Ethereum ditched proof of work for the less energy-intensive proof of stake. Celo says its carbon negative via an offset program with Wren, a subscription startup for reducing carbon footprints.

The upgrade will eventually come as a hard fork, the team said. End users shouldnt notice if everything goes well.Transaction fees should remain consistent with no big changes for existing dApps, mobile-first features or its regenerative finance stack.

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'Carbon-negative' Celo to 'return home' to Ethereum as layer-2 - Blockworks