Base, the Ethereum layer-2 network incubated by Coinbase, announced it is transitioning away from the Optimism technology stack in favor of its own unified software architecture. The shift is designed to reduce external dependencies and accelerate network upgrades.
Originally launched in 2023 as an Optimism based chain, Base will now operate using a single official software distribution for each upgrade. According to the engineering team, node operators will run a unified Base binary, simplifying how updates are packaged and deployed across the network.
Despite the architectural shift, the protocol will remain open-source, with developers encouraged to continue building custom implementations and infrastructure around the network.
Simplified Sequencer and Phased Rollout
The transition is expected to streamline Base’s sequencer the component responsible for ordering transactions before they are finalized on Ethereum. A more integrated system could improve operational efficiency and reduce complexity for node runners.
The rollout will occur in four phases over the coming months, with node operators required to migrate to the new Base client to remain compatible with official network upgrades.
Base founder Jesse Pollak said in response;
Layer-2 Debate Intensifies
The move comes as discussion around layer-2 scaling intensifies. Vitalik Buterin recently suggested that the original vision for layer-2 networks may need rethinking as Ethereum’s base layer achieves record low fees and improved scalability.
There are currently more than 128 Ethereum layer-2 networks, reflecting both rapid growth and increasing competition in the scaling ecosystem.
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