Base Smart Wallet
Passkey smart-contract wallet
We reviewed Base Smart Wallet using 4 official and public sources. The notes below focus on custody, recovery, and security trade-offs.
Base Smart Wallet materially improves onboarding and sponsored/batched transaction options, but passkey portability, on-chain signer recovery, app permissions, and chain-specific behavior must be understood.

- users wanting passkey and smart-account onboarding
- dapp users who understand signer, permission, and network-fee behavior
Key specifications
- Brand
- Coinbase
- Role
- Smart Account Wallet
- Custody
- Self Custody
- Platforms
- WebiOSAndroid
- Networks
- baseoptimismarbitrumpolygonzorabnb
- Pricing
- Free
Free to download and use
Passkey and recovery-phrase flows are materially different from traditional EOA wallet restoration.
- Key setup
- Smart ContractPasskeySocial RecoveryGenerated KeysHardware Backed
- Backup options
- cloud-synced passkeyhardware/security-key passkeyrecovery phrase generated while original passkey is availableQR cross-device authentication
Smart-account and passkey risks include device/cloud account compromise, signer recovery mistakes, permissions, on-chain signer updates, and network-fee/service dependencies.
- Encrypts keys locally
- Unknown
- Privacy note
- Email OTP, passkey provider, and Base/Coinbase account surfaces should be reviewed as separate data flows.
Third-party providers can affect uptime, privacy, and recovery. They are documented here for context, not as ranking points.
- Passkey provider (Custody; KYC: Not Required)
- Base/Coinbase network services (Rpc; KYC: Provider Dependent)
- Email OTP provider (Other; KYC: Not Required)
- Affiliate
- No affiliate relationship recorded
Sources we checked
4 sources reviewed, with 6 documented claims tied to specific fields.
- Smart wallet
Coinbase distinguishes Smart Wallet from the traditional recovery-phrase EOA wallet and describes passkey-based smart-account behavior.
- Sign in to your Base account
Base account sign-in supports passkeys, email OTP, and recovery phrases; cloud, device, QR, and hardware passkey portability differ.
- Recover your smart wallet
A recovery phrase can add a new signer and restore access after passkey loss, with network fees for smart-contract signer changes.
- Smart wallet
The documentation lists Base, Optimism, Arbitrum, Polygon, Zora, BNB, Avalanche C-Chain, and Ethereum, with chain-specific fee behavior.
- Base account spend permissions
Base accounts support spend permissions and app accounts with revocation and scope controls.
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