Hold Your Bitcoin with Confidence
Hold Your Bitcoin with Confidence
Smart Vault gives you full control over your Bitcoin - plus built-in safety nets for recovery and inheritance, without relying on third parties.
Smart Vault gives you full control over your Bitcoin - plus built-in safety nets for recovery and inheritance, without relying on third parties.
Why Smart Vault?
Why Smart Vault?
Self-custody doesn't have to mean self-risk. With Smart Vault, you stay in control while having built-in systems for recovery, continuity, and inheritance.
Self-custody doesn't have to mean self-risk. With Smart Vault, you stay in control while having built-in systems for recovery, continuity, and inheritance.
Full Control
Open-Source Security
Recovery-Ready
Inheritance-Enabled
Full Control
Open-Source Security
Recovery-Ready
Inheritance-Enabled
How It Works
How It Works
The Smart Vault is an advanced multisig (multi-signature) system designed to provide the highest level of security and flexibility for your assets.
The Smart Vault is an advanced multisig (multi-signature) system designed to provide the highest level of security and flexibility for your assets.
Privacy by Default
- •No required personal details — stay as private as you choose.
- •Your vault stays in your control, and only you can view your balances.
- •21st Capital serves as your self-custody guardian, ready to help you recover access if something goes wrong — without ever having unilateral control.
Multisig Structure
- •2-of-3 setup: secure, redundant, reliable
- •We never have access on our own
- •Optional time-locks for added recovery layers
Rescue Protocols
- •Lost both keys? Vault unlocks after a custom time delay
- •Step-by-step guided recovery using a new secure key setup
- •All protocols happen on-chain or hybrid - your choice
Built-In Inheritance. No Lawyers Required.
- •Automatic Activation: Triggered by inactivity
- •Fully Private: No balance visibility until time-lock expires
- •Flexible Setup: Use Rescue Key or set separate heir keys
- •Cross-Compatible: Works with any custody model you choose
Multisig Structure
- •2-of-3 setup: secure, redundant, reliable
- •We never have access on our own
- •Optional time-locks for added recovery layers
Rescue Protocols
- •Lost both keys? Vault unlocks after a custom time delay
- •Step-by-step guided recovery using a new secure key setup
- •All protocols happen on-chain or hybrid - your choice
Built-In Inheritance. No Lawyers Required.
- •Automatic Activation: Triggered by inactivity
- •Fully Private: No balance visibility until time-lock expires
- •Flexible Setup: Use Rescue Key or set separate heir keys
- •Cross-Compatible: Works with any custody model you choose
Smart Vault integrates with leading hardware wallets
Smart Vault integrates with
leading hardware wallets
Pricing table
Clear pricing for Bitcoin vaults built to last generations. Multisignature custody, recovery planning, and optional priority support.Straightforward pricing for secure Bitcoin self-custody.
| Features | Starter | Premium | EliteMost popular | Elite Plus |
|---|---|---|---|---|
| Annual subscription | $195 / year | $395 / year | $995 / year | $1,800 / year |
| Onboarding (1-on-1) | $495 | $495 | $495 | $995 |
| Optional KYC-free setup | | | | |
| Wallet type | Single Signature | Multi Signature | Multi Signature | Multi Signature |
| No single point of failure (multisig) |  | | | |
Pick Your Plan | ||||
| Duress protection | | | | |
| Loss Protection | | | | |
| Rescue key | | | | |
| Time Lock Capability | | | | |
| On-Chain Inheritance Protocol | | | | |
| Off-Chain Inheritance Protocol | | | | |
| Video & Private Chat Support | | | | |
| Free Co-Signing | | | | |
| Hardware wallets included | | | | |
| Daily / Yearly Spending Limits | | | | |
| Ultra Secure with Layered 2/2 Multisig | | | | |
| Guided 6-month vault refresh | | | (Main Vault) | (All covered Vaults) |
| How many vaults we help you maintain | 1 personal | 1 personal +Inheritance Vault | Up to 2(e.g. you + spouse/family) | Multiple(personal, family, business, trust) |
| Dedicated security advisor | | | | |
| Priority response time | | | Best effort within 24 hours | Priority response within 12 hours(business days) |
| Family / team onboarding | | | Up to 2 people | Structured onboarding for multiple family members or team |
| Custom security & inheritance policy design | | | | (incl. coordination with your lawyer / estate planner) |