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Kernel (ZeroDev)
App integration

Kernel (ZeroDev)

Account abstraction & tx orchestration

Account abstraction · Modular accounts · Solidity · Wallet

zerodevapp/kernel (opens in a new tab)

Kernel from ZeroDev is a modular ERC-7579 smart-account contract with wide deployment. Wallet builders deploy it when an account needs pluggable validators and executors.

Related resources

Chain Abstraction with 4337

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

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

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ZeroDev SDK (Kernel)

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)

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.