Base Shifts From OP Stack to Unified Stack for Next Phase of Upgrades

• Coinbase-backed Base chain announced that it is moving into a single unified stack, away from the OP Stack. 
• The new transition accelerates upgrades and improves security, without disturbing the current users or developers.

Base, a Coinbase-incubated Ethereum layer-2 blockchain, was launched as an  OP Stack chain, then incorporated a diverse range of software in collaboration with various partners, including Optimism, Flashbots, and Paradigm.

​According to the Base announcement, they introduced a single unified stack called base/base for accelerating upgrades and additional security, and it is made public and opened for contribution. While moving away from the OP Stack, it will still receive mission-critical support from the Optimism Foundation.

Simplifying the Stack to Accelerate Upgrades

According to the Base engineering blog, “Our unified solution, base/base, built on open-sourced components such as Reth, allows us to dramatically simplify the number of components, by optimizing them directly for our use case.” This will make the network easier to update and allow the developers to focus on what Base specifically needs, as it is open and public.

​As Base is upgrading how it works to become more independent and efficient. Importantly, nothing changes in terms of safety. Base remains a Stage 1 decentralized rollup, and the team is also strengthening security by adding an independent signer and speeding up plans for faster withdrawals, improved governance, and stronger protections to keep the network open, neutral, and secure for everyone.

Base’s Long-Term Roadmap

As of now, Base blog noted, “Base will continue operating as it does today, and we will remain compatible with the OP Stack specification.”

​The upcoming hard fork (Base V1)  is going to implement Ethereum’s Fusaka upgrades and transition from Optimistic proofs to TEE/ZK proofs for a faster network. Further, two more hard forks are discussed, such as the Base V2 hard fork, which is planned to introduce smoother user interactions. Then, Base V3 hard fork is planned to add Ethereum’s Glamsterdam Support.

​As the shift marks a broader architectural consolidation across Base’s evolution, from its initial OP Stack foundations to a unified stack fully maintained within Base, the Base network asks node operators to use the new base for client updates instead of Optimism’s to remain compatible with upcoming future hard forks.

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