Ethereum and Base abandon shared wallet standard after prolonged discussions

In a surprising turn of events, the two major blockchain ecosystems—Ethereum and Base—have decided to part ways on the quest for a unified wallet standard. After months of negotiations, technical workshops, and community consultations, both projects concluded that their respective visions for transaction handling were too divergent to reconcile under a single protocol.

This decision has significant implications for developers, wallet providers, and end‑users who rely on seamless cross‑chain interactions. ## Background: The push for a common standard The blockchain space has long struggled with fragmentation. Each network often develops its own set of transaction formats, fee structures, and signing mechanisms.

For users, this translates into the need to manage multiple wallets, each with its own quirks, and for developers, it means writing bespoke integration code for every chain they wish to support. To address this, the Ethereum community introduced **EIP‑8141**, a proposal aimed at standardising transaction encoding, fee calculation, and signature verification across Ethereum‑compatible chains. Simultaneously, Base—a layer‑2 solution backed by Coinbase—drafted **EIP‑8130**, which shares many goals with EIP‑8141 but diverges in critical areas such as gas pricing models and backward compatibility with legacy contracts. Both proposals were drafted with the intention of fostering interoperability.

The idea was that a single wallet could construct a transaction that would be valid on either network without requiring separate user interfaces or additional configuration. Early drafts received enthusiastic support from major wallet providers, DeFi platforms, and NFT marketplaces, all of which saw the potential for reduced development overhead and a smoother user experience. ## The negotiation process Over the course of several months, representatives from the Ethereum core developers, the Base engineering team, and various ecosystem partners met in virtual working groups. They examined the technical specifications line by line, debated trade‑offs, and attempted to harmonise the differing fee mechanisms.

A key point of contention was **how to handle gas fees in a way that respects both Ethereum’s legacy fee market and Base’s more aggressive fee‑capping strategy**. While Ethereum’s EIP‑1559 introduced a base fee that adjusts dynamically, Base proposed a fixed‑fee model to guarantee predictability for its users.

Another sticking point involved **signature schemes**. Ethereum’s standard relies heavily on the secp256k1 curve, but Base’s roadmap includes experimental support for alternative curves to improve post‑quantum security.

Aligning these cryptographic choices proved difficult, as any compromise could potentially weaken security guarantees or require extensive code changes across the entire ecosystem. Despite multiple rounds of compromise—such as introducing optional fields to accommodate Base’s fee model—the two sides could not converge on a single, cohesive specification. The technical debt required to maintain a hybrid standard was deemed too high, and concerns grew that a half‑baked solution could introduce vulnerabilities or degrade performance.

## The final decision In a joint statement released last week, the Ethereum Foundation announced that it would **move forward with EIP‑8141 as originally drafted**, emphasizing its commitment to preserving the integrity of the Ethereum fee market and its extensive tooling ecosystem. Conversely, Base confirmed that it would **adopt EIP‑8130**, highlighting the benefits of a more predictable fee environment for its layer‑2 users and its alignment with Coinbase’s product strategy. The statement underscored that the decision was not a failure but rather a reflection of the natural evolution of decentralized technologies. Both projects expressed a willingness to continue collaborating on **bridges, cross‑chain messaging, and other interoperability solutions**, even if a single wallet standard remains elusive.

## Impact on wallets and applications For wallet developers, the immediate consequence is the need to support two distinct transaction formats. This means implementing separate signing flows, fee calculations, and possibly distinct UI cues to indicate which network a transaction is targeting.

Popular multi‑chain wallets such as MetaMask, Rainbow, and Trust Wallet will likely release updates that detect the active network and automatically switch to the appropriate standard, but the underlying codebase will become more complex. DeFi platforms that operate on both Ethereum and Base will also need to adjust their backend services.

Smart contract interactions that previously relied on a unified transaction schema must now branch logic based on the destination chain. This could increase operational costs and testing overhead, especially for protocols that aim to provide a seamless cross‑chain experience. On the user side, the divergence may initially cause confusion. Users accustomed to a single “send” button might encounter additional prompts asking them to confirm fee structures or select a signing method.

Education will be crucial; wallet providers will need to clearly explain why the extra steps exist and how they protect users’ assets. ## Looking ahead: Alternative paths to interoperability While the dream of a single wallet standard has been set aside for now, the broader goal of cross‑chain fluidity remains alive. Several initiatives are already in motion: 1.

**Cross‑chain bridges** – Projects like Hop Protocol and Connext are building trustless bridges that allow assets to move between Ethereum and Base without requiring users to manually construct transactions on each chain. 2.

**Layer‑2 aggregators** – Services such as Zapper and Yearn are exploring meta‑transaction layers that can abstract away the underlying fee model, presenting a uniform experience to the end‑user. 3.

**Standardised SDKs** – Open‑source libraries are being developed to encapsulate the differences between EIP‑8141 and EIP‑8130, offering developers a single API that handles the translation behind the scenes. 4.

**Community‑driven proposals** – The Ethereum and Base communities continue to discuss the possibility of a third, hybrid EIP that could serve as a bridge between the two existing standards. While no concrete timeline exists, the dialogue remains open. ## Conclusion The decision by Ethereum and Base to pursue separate wallet standards marks a pivotal moment in the maturation of the blockchain ecosystem.

It highlights the challenges inherent in aligning technical roadmaps across independent projects, especially when each aims to optimise for its own user base and security model. While the immediate fallout includes increased development complexity and a learning curve for users, the long‑term outlook remains optimistic.

Continued collaboration on bridges, SDKs, and educational resources promises to mitigate the friction caused by the split. Stakeholders across the industry—wallet developers, DeFi teams, NFT marketplaces, and everyday users—should prepare for a period of adjustment.

By embracing flexible architecture, staying informed about the nuances of each standard, and leveraging emerging interoperability tools, the community can ensure that the broader vision of a connected, multi‑chain future stays within reach despite the current divergence.