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ERC-4337 Adoption Across US Wallets: Coinbase Smart Wallet Spearheading a Dual-Path Era in 2026

NOUTITA NEWSROOM·31 AOÛT 2026 À 08:02 (UTC+1)·6 MIN READ

PARALLEL EVM & ZK

TECHNOLOGIE

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In Brief (TL;DR)

A focused look at how Account Abstraction (ERC-4337) is taking root across US wallets, with Coinbase Smart Wallet leading new onboarding and a growing ecosystem of bundlers and paymasters shaping user UX.

In the US market, ERC-4337 adoption is no longer a niche technical curiosity. It’s becoming a concrete UX choice for millions of users as wallets deploy smart-contract-based accounts, paymasters, and sponsored gas. The story is less about a single feature and more about a dual-path reality: new 4337-native wallets and retrofitted EOAs via 7702 delegations, both converging on a smoother user journey. Ethereum.org’s roadmap keeps this dual-path framing front and center as of 2026. The page notes that the EntryPoint contract was deployed on March 1, 2023 and that more than 26 million smart wallets have been deployed with about 170 million UserOperations processed to date, underscoring that account abstraction is no longer experimental. (ethereum.org)

In Brief (TL;DR): ERC-4337 is like upgrading from a paper ticket to an all-in-one digital pass. Wallets in the US are now offering bundled actions, gas sponsorship, and recovery flows that feel almost like “tap-and-go” onboarding for crypto apps.”

1. Macro Context & On-Chain Metrics

Key adoption indicators

As of April 2026, ERC-4337 cumulative UserOperations across all EVM chains stood at roughly 2.4 billion. This signals a massive uptick in activity as more apps route through smart wallets rather than EOAs. (eco.com)

The ecosystem now features wallets that ship both ERC-4337 and EIP-7702 capabilities, including MetaMask, Rabby, Coinbase Wallet, Trust Wallet, Argent, and Safe. This dual-path support is a practical reflection of the industry’s move to accommodate both new-smart-wallet UX and legacy-E OA retrofitting. (eco.com)

Coinbase Smart Wallet is highlighted as a leading “new-wallet” story in 2026, having surpassed many traditional EOAs in new-account creation rate by Q1 2026. This underscores the US-market momentum behind branded, institution-backed AA flows. (eco.com)

US-market deployment dynamics

The post-2025 wave of wallet adoption is led by major rails like Base (Coinbase’s Layer 2) and a handful of bundlers. The Eco guide notes Base and related Layer-2 ecosystems are central to the US adoption narrative, with Pimlico and Alchemy dominating bundler activity and handling a large share of UserOperations as of Q1 2026. (eco.com)

External dashboards tracking ERC-4337 activity reinforce Base’s prominence in deployments, with the broader BundleBear data showing continued growth in smart-wallet deployments and usage across networks, including Base, Ethereum, Arbitrum, and others. (bundlebear.com)

Market-facing context for US users

Market observers have highlighted that Base now accounts for a substantial share of new smart-wallet deployments on the US side of the ecosystem, a trend reinforced by Dune/Binance analyses and supported by wallet providers actively marketing gasless onboarding in the US. The result is a US market where onboarding flows, gas abstraction, and session keys are becoming standard features in consumer wallets. (dune.com)

2. Technical Decoding & Nuance

The dual-path adoption debate

ERC-4337 operates out-of-protocol with a dedicated UserOperation mempool and an EntryPoint contract, enabling true smart-wallet behavior from day one. This is the path many new wallets (including those launched in the US) are choosing to build from scratch, offering features like batched transactions, gas sponsorship, and robust recovery options. (eco.com)

In parallel, EIP-7702 (Pectra) offers a protocol-level upgrade that lets EOAs temporarily delegate execution to a smart contract, which is particularly attractive for retrofitting existing user bases onto smart-wallet UX without rotating addresses. The two-year-and-counting interoperability story is now common: wallets increasingly support both, and the ecosystem is converging on a unified developer surface for 4337 and 7702. (eco.com)

US wallet UX versus security tradeoffs

The promise of 4337-style wallets—gasless onboarding, token-based gas payments, and batchable actions—also invites questions about security surface area and dependency on paymasters. The core AA design relies on sponsor contracts (paymasters) and a bundler network to validate and execute transactions, which creates a richer attack surface if misconfigured or abused. The ERC-4337 docs outline the paymaster construct and the need for careful risk controls, including how postOp and gas considerations are managed. (eips.ethereum.org)

Academic work on gas sponsorship highlights practical friction and overhead concerns, including potential performance and security costs when paymaster logic is offloaded or when postOp overhead is not bounded. These discussions matter for US wallets/services that scale to millions of users and must balance UX gains with robust security guarantees. (arxiv.org)

The UX choke points and the path forward

While the US wallet ecosystem is pushing hard on 4337-native UX (e.g., Coinbase Smart Wallet) and dual-path support, critics warn that rapid onboarding could outpace security guardrails, especially on paymaster trust and cross-chain consistency. Experts propose a blended pattern: use 7702 to onboard existing EOAs and 4337 for new wallets and on-chain treasury contracts, then progressively converge on a unified surface as standards mature. This pragmatic stance is reflected in recent comparative guides and industry analyses. (eco.com)