Best Coinbase Wallet Alternatives [2025]

The Coinbase Smart Wallet SDK enables developers to build fully embedded, ERC‑4337 compliant smart-wallet experiences. It supports passkey-based signing, multi-chain onboarding (EVM + non-EVM), session persistence, and sub-account management. But if you're building a wallet-centric experience with full customization and infrastructure control, consider these alternatives:

1. Openfort (that's us 👋)

Openfort is a fully open-source, modular wallet infra SDK designed for complete control over smart accounts, auth flows, and UX.

Why Openfort competes:

• Account Abstraction Ready: Supports ERC‑4337 and EIP‑7702 smart-account architecture.
• Passkey & Address Owners: Let users sign using passkeys or EOA keys in smart accounts.
• Open Stack: MIT-licensed SDKs, UI, and backend—self-hostable.
• Ecosystem SDK: Provider injection, popup/session orchestration, React, RN, Unity support.
• Auth Freedom: Integrate Auth0, Firebase, or any OIDC.
• Cross-platform Support: Works with Unity WebGL, Telegram mini-apps, React Native, web.

Openfort vs Coinbase Smart Wallet SDK

Feature	Openfort	Coinbase Smart Wallet SDK
Open Source	✅ Full stack	✅ SDK only; backend closed ([reddit.com][2], [github.com][1])
Self-hostable Infrastructure	✅ Yes	❌ No (hosted by Coinbase)
Account Abstraction (ERC-4337)	✅ Yes	✅ Yes via smart wallet contract
Passkey & EOA Signers	✅ Fully supported	✅ Supported — can use passkeys
Sub-account Support	✅ Custom sub-account/session logic	✅ Supported via SDK
Custom Authentication	✅ Any OIDC provider	❌ No — fixed Coinbase flow
Embedded & Smart Wallet UX	✅ Fully modular & customizable	✅ SDK gives embedded smart wallet

Why teams use Openfort:

• Full control over wallet UX and infra without vendor lock-in.
• Open, transparent, and self-hostable—ideal for compliance or custom flows.
• Deep customization for smart-account logic and auth.

2. Coinbase Smart Wallet SDK

✅ Pros:

• MIT-licensed SDK provides passkey and ERC‑4337 smart-account support
• Multi-chain support and persistent session flows

❌ Cons:

• Backend is closed—can’t host your own infra
• Authentication flows locked to Coinbase

3. MetaMask SDK

✅ Pros:

• Open-source across browser, mobile, and Unity environments
• Widely used and reliable for account connections

❌ Cons:

• No ERC‑4337 or smart-wallet support
• Backend and session layers hosted by MetaMask

4. Privy

✅ Pros:

• Fast embedded wallet onboarding with social/email login
• Great UX components for dev teams

❌ Cons:

• Closed source
• No support for smart-account or smart-wallet flows

5. Dynamic

✅ Pros:

• Clean developer dashboard and multi-wallet onboarding
• Seamless switching between external and embedded wallets

❌ Cons:

• Entirely hosted infrastructure
• No smart-account or wallet customization

6. Thirdweb

✅ Pros:

• Rich smart-contract toolkit (tokens, NFTs, drops)
• SDK support for contract deployment

❌ Cons:

• Opinionated UX design, limited wallet infra flexibility
• Not focused on embedded smart-wallet infra

7. Sequence

✅ Pros:

• Unity- and game-ready embedded smart-wallet with account abstraction
• Prebuilt multisig and batching tools

❌ Cons:

• Hosted backend; no self-hosting support
• UX and session flows bound to Sequence ecosystem

8. Turnkey

✅ Pros:

• TEE-backed key management with policy-driven security
• Embedded SDKs with secure login options

❌ Cons:

• Backend is closed, non-self-hostable
• Lacks smart-account contract tooling

FAQ

1. Is Coinbase Smart Wallet SDK fully open source? Yes, the SDK is MIT-licensed, but it relies on hosted backend services from Coinbase.

2. Does Coinbase Smart Wallet support ERC‑4337 and passkeys? Yes — it supports both passkey owners and EOA owners and is fully ERC‑4337 compliant .

3. Can I self-host the Coinbase Wallet SDK? No — its backend is fully managed by Coinbase and cannot be self-hosted.

4. Should I use Coinbase Smart Wallet SDK or Openfort?

• Use Coinbase SDK for fast setup, passkeys, and chain support.
• Choose Openfort if you need embedded wallets, smart-account control, custom UX, or full infra ownership.

Looking for a developer-first, open, and extensible smart-wallet stack? Explore Openfort → Docs | GitHub