Coinbase SmartWallet Smart Contract Audit

Security Review of Coinbase’s ERC-4337 SmartWallet

Cantina partnered with Coinbase, a leading crypto platform, to audit its ERC-4337 SmartWallet system. Designed for secure, on-chain account abstraction, the wallet supports multi-owner access, passkey-based authentication, and cross-chain replayability.

This review focused on wallet deployment determinism, signature verification logic, and gas-efficient design across account initialization and ownership flows. The audit reinforces Coinbase’s commitment to secure, flexible infrastructure for next-generation wallet solutions.

The review was conducted through Cantina’s security audits offering. To see how teams like Coinbase enhance protocol resilience through bug bounty programs and crowdsourced security competitions, explore Cantina’s broader security ecosystem.