The blockchain ecosystem has long been driven by a desire for interoperability, especially when it comes to the user experience of managing digital assets across multiple networks. In recent months, two of the most prominent platforms—Ethereum and Base, the Layer‑2 solution backed by Coinbase—have been engaged in extensive negotiations aimed at establishing a common wallet standard.
The goal was to simplify how developers and users interact with both chains, allowing a single wallet interface to handle transactions, signatures, and contract calls without the need for separate configurations for each network. Despite the best intentions and a series of technical workshops, the two projects have ultimately decided to pursue separate standards. Ethereum is moving forward with the implementation of EIP‑8141, a proposal that introduces a new transaction format designed to improve scalability, reduce gas costs, and support advanced features such as account abstraction. Meanwhile, Base has opted to adopt EIP‑8130, a distinct specification that aligns more closely with Coinbase’s internal architecture and its vision for a streamlined onboarding experience for new users on the Base network.
The divergence stems from several technical and strategic factors. EIP‑8141 on Ethereum focuses heavily on backward compatibility while extending the capabilities of the existing transaction model. It introduces optional fields that enable developers to embed additional metadata, support multi‑signature schemes, and facilitate more sophisticated fee structures. This approach is intended to future‑proof the mainnet while preserving the extensive ecosystem of tools, libraries, and wallets that have been built around the current transaction format.
In contrast, EIP‑8130 was crafted with the specific needs of Base in mind. Base aims to provide a low‑friction environment for both retail and institutional participants, emphasizing rapid transaction finality and a simplified fee model that can be abstracted away from end users.
The proposal includes a streamlined signing process, a deterministic address derivation method that reduces the risk of address collision, and built‑in support for Coinbase’s custodial services. By adopting EIP‑8130, Base can deliver a more cohesive experience that aligns with Coinbase’s broader product roadmap, including its fiat on‑ramp and off‑ramp services. For developers and wallet providers, this split presents both challenges and opportunities.
On the one hand, the lack of a unified standard means that wallets must now implement support for two separate transaction schemas if they wish to remain compatible with both Ethereum and Base. This could involve maintaining dual code paths, handling distinct fee calculations, and ensuring that user interfaces clearly differentiate between the two networks to avoid confusion.
On the other hand, the existence of two specialized standards allows each network to optimize its transaction processing in ways that are most appropriate for its architecture and user base. From a user perspective, the impact will be most noticeable when attempting to move assets between Ethereum and Base. Since the transaction formats differ, cross‑chain bridges and relayers will need to translate between EIP‑8141 and EIP‑8130 payloads.
This translation layer adds a small amount of overhead, but developers are already working on middleware solutions that can automate the conversion process, preserving a smooth experience for end users. Moreover, many popular wallets are already planning updates that will automatically detect the network a user is interacting with and switch to the appropriate transaction format behind the scenes. The broader community reaction has been mixed.
Some advocates for a single, universal wallet standard argue that the fragmentation could slow down adoption, especially for newcomers who may be deterred by the perceived complexity of managing multiple wallet configurations. Others contend that the specialized standards reflect the unique demands of each network and will ultimately lead to more efficient and secure transaction handling. It is also worth noting that the decision does not preclude future convergence. Both EIP‑8141 and EIP‑8130 share a common goal of enhancing user experience and reducing friction.
As the ecosystem matures, there may be opportunities to build interoperability layers that abstract away the differences, allowing developers to write code once and have it operate seamlessly on both chains. Initiatives such as cross‑chain SDKs, standardized API gateways, and collaborative testing frameworks could serve as bridges between the two standards. In the meantime, stakeholders are encouraged to stay informed about the latest developments.
Ethereum’s core developers continue to refine EIP‑8141, incorporating community feedback and conducting extensive testing on testnets before the final rollout. Base, leveraging Coinbase’s resources, is rapidly iterating on EIP‑8130, with beta releases already available for developers to experiment with. Wallet providers are advised to monitor the release notes from both projects, allocate development resources to support dual standards, and communicate clearly with their user bases about any changes in transaction handling. In summary, while the initial ambition of a shared wallet standard between Ethereum and Base has not materialized, both networks are forging ahead with tailored solutions—EIP‑8141 for Ethereum and EIP‑8130 for Base.
This divergence will require additional effort from developers, wallet creators, and users, but it also opens the door for innovative interoperability tools that can reconcile the two approaches. As the blockchain space continues to evolve, the focus remains on delivering secure, efficient, and user‑friendly transaction experiences, whether through unified standards or coordinated, complementary protocols.