Layer 2

Base

Coinbase's OP Stack layer 2.

An Ethereum layer 2 built on the OP Stack and incubated by Coinbase, with low fees and easy onboarding from Coinbase accounts and smart wallets. EVM-equivalent, so Ethereum tooling works unchanged.

Type: Layer 2
Maintained by: Coinbase
License: MIT (OP Stack)
Articles: 1

BaseIntermediate

What is account abstraction (ERC-4337)?

ERC-4337 makes user accounts smart contracts via UserOperations, bundlers, an EntryPoint and paymasters, enabling batching, gas sponsorship and recovery. EIP-7702 lets existing EOAs delegate to such code.

#account-abstraction#smart-contracts#wallets

Deepak Tewatia · 5 min

Sep 24, 2026