The best multisig wallet is the one you can recover without the company that helped you create it. Everything else—mobile polish, concierge calls, inheritance dashboards—comes after that exit test.
We have no financial relationship with any provider below. Plans, prices and features were checked against official documentation in August 2026. Multisig is most mature on Bitcoin; smart-contract wallets on other chains use different failure and upgrade models.
The short answer
| Best for | Choice | Published cost | Main cost that is not money |
|---|---|---|---|
| DIY Bitcoin multisig | Sparrow Wallet | Free | You own setup, backups, privacy and recovery |
| Private assisted multisig and inheritance | Nunchuk | Free DIY; $120/year assisted; $480/year inheritance | More complex plans and hardware requirements |
| Simplest guided family setup | Casa | $250/year Standard; higher tiers to $2,100/year | Recurring provider relationship and account recovery procedures |
| US-focused collaborative custody | Unchained | $250 per vault/year | KYC/service relationship and Bitcoin-only focus |
| Small or first-time holding | Do not use multisig yet | $0 | Single-signature simplicity remains a security feature |
What every option must preserve
- You control a spending quorum. A provider with enough keys to move funds is a custodian, whatever the interface says.
- The configuration is exportable. Seeds alone are not the wallet. Recovery also needs public keys, threshold, script type and derivation paths.
- Independent software can recover it. A documented Sparrow, Caravan or other standards-based path is the practical exit.
- Keys are genuinely separate. Three seeds made and stored on one laptop are one compromised laptop wearing a 2-of-3 label.
- A replacement process exists. After one key is lost or exposed, the remaining quorum should migrate funds to a fresh wallet.
Sparrow: best DIY coordinator
Sparrow is free, open source, Bitcoin-only desktop software with full PSBT support, common single- and multi-signature script types, hardware wallets over USB and air-gapped methods, coin control, Tor and the option to use Bitcoin Core or a private Electrum server.
Its advantage is not that it makes multisig easy. It makes the wallet visible. You can inspect keystores, fingerprints, derivation paths, policies, addresses and transactions rather than trusting a service to abstract them away.
Not for you if you need a company to rehearse recovery with your spouse or heirs. Sparrow gives you the machinery, not an ongoing human recovery service. A safe DIY arrangement usually uses hardware from different manufacturers, stores keys in different buildings, exports the descriptor to several places and proves recovery with a trivial balance before funding it.
Nunchuk: best range from DIY to assisted inheritance
Nunchuk spans more models than the others. Its free tier includes DIY single-signature and multisig wallets. Iron Hand is $120/year for a 2-of-3 assisted wallet, key-health reminders, recovery help, broadcast delay and emergency controls. Honey Badger is $480/year and adds two 2-of-4 wallets plus either on-chain or off-chain inheritance. Hardware is separate.
The strongest design claim is an exit path: Nunchuk documents the BSMS wallet configuration as the independent recovery map, and its on-chain inheritance plan is designed so a beneficiary can claim without Nunchuk after the timelock. The service says it uses no KYC for these plans and is globally available.
Not for you if a timelock or 2-of-4 policy is something you will configure once and never rehearse. More policy flexibility creates more ways to misunderstand what happens on a date, after a lost key or when migrating plans.
Casa: best guided household experience
Casa Standard uses a 2-of-3 vault. The usual setup is a mobile key, one hardware key and a Casa Recovery Key held offline by Casa; an advanced configuration can replace the phone key with a second hardware device. Casa cannot spend with its one key alone.
Standard was $250/year when checked. Standard Plus adds 5-key vaults at $1,100/year. Premium is $2,100/year and includes 5-key vaults, three hardware devices, guided onboarding, recovery signing and inheritance features. Casa supports BTC and, on relevant plans, ETH and stablecoin vaults—a meaningful distinction from Bitcoin-only providers.
Not for you if you want maximum pseudonymity or a provider-free daily workflow. The product’s value is the continuing service relationship. Evaluate its identity verification, account recovery and succession process with the same care as the cryptography.
Unchained: best straightforward collaborative Bitcoin vault
An Unchained vault is 2-of-3: you hold two hardware keys and Unchained holds one enterprise backup key. Because your two form a quorum, you can spend or recover without the company. Unchained documents recovery through Caravan, Sparrow or Electrum when the wallet configuration file is available.
The personal vault price was $250 per year, including limited Unchained co-signatures and support. Current fully supported devices include Trezor, Ledger and Coldcard, with BitBox and Jade listed as compatible. The service is Bitcoin-only and its broader trading/IRA products are US-centred; confirm onboarding eligibility for your jurisdiction before building a plan around it.
Not for you if you assume “collaborative custody” includes insurance. Unchained states explicitly that its vault is not insured because it never directly controls client funds.
The descriptor test
Before funding any option, ask for the wallet configuration export. Build a watch-only copy in independent software and verify that it derives the same first receiving addresses. Store that file with every recovery packet. It is private because it reveals addresses and balances, but it cannot spend without the required keys.
Then rehearse the company-disappearance scenario. Can your two devices and the export move a small test balance without logging into the provider? If the answer is “the support team would help”, the exit has not been tested.
Who should not use multisig
Do not start here if this is your first hardware wallet, the holding is modest, or nobody else can follow the recovery plan. Two hardware devices, two tested backups and clear inheritance instructions may reduce more risk than a badly operated quorum.
For the design rather than the products, read multisig for inheritance. For the commonly confused alternative, see Shamir backup vs multisig.
Sources checked
- Sparrow feature list and wallet-policy documentation
- Nunchuk plans, prices and hardware requirements
- Casa 3-key architecture and current plan comparison
- Unchained vault architecture, pricing and external recovery
- Unchained insurance statement
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