App integration

Coinbase Smart Wallet

Account abstraction & tx orchestration

Account abstraction · Wallet · Authentication

Coinbase Smart Wallet is a passkey-based smart account with the largest share of deployed wallets. Application builders integrate it so users sign with a passkey instead of managing a seed phrase.

Related resources

Chain Abstraction with 4337

With this setup, ecosystems can deploy tailor-made 4337 chain abstraction infrastructure. They become Liquidity Providers (LPs) for their users, sharing with them the value that would otherwise have been captured by solvers/fillers.

Rundler

Rundler is Alchemy's modular Rust ERC-4337 bundler aimed at horizontally scaled deployments; many Ethereum user-operation workloads run on it today.

Skandha ERC-4337 Bundler

Skandha is Etherspot's TypeScript ERC-4337 bundler that optimizes user operation submission, gas accounting, and mempool routing with optional MEV protections and shared mempool compatibility, and Etherspot runs that shared mempool stack in production.

ethereum-multicall

Ability to call many ethereum constant function calls in 1 JSONRPC request

ZeroDev SDK (Kernel)

The ZeroDev SDK is a smart-account SDK for the Kernel account with modular validators and session keys. Account-abstraction builders use it to create Kernel accounts and delegate limited signing rights to sessions.

Biconomy SDK (Nexus)

The Biconomy SDK, published as AbstractJS for the Nexus account, builds ERC-4337 smart accounts with paymaster and bundler services. Builders use it when an application needs sponsored or gasless transactions.