Casa vs Nunchuk — Head-to-Head Custody Comparison

An independent, data-driven comparison of Casa and Nunchuk across security, insurance, fees, regulatory compliance, and more.

Verdict

Quick Verdict

Casa scores 6.7 vs Nunchuk's 5.9. Casa leads in 4 of 8 categories.

Casa is better suited for HNW individuals, Families, Privacy-focused holders. Nunchuk is better suited for Families, Teams, Multi-sig users.

6.7

FairCustody Score

Casa

5.9

Below AverageCustody Score

Nunchuk

Scores

Score Comparison

Weighted scores across all 8 custody criteria.

Criterion	Weight	Casa	Nunchuk	Winner
Security	20%	8.0	8.0	Tie
Insurance	15%	3.5	2.0	Casa
Regulatory	15%	4.5	3.0	Casa
Fee Transparency	10%	9.0	9.0	Tie
Track Record	15%	8.0	6.5	Casa
Withdrawal Flexibility	10%	9.5	9.5	Tie
Reporting & Audit	10%	5.0	4.0	Casa
Counterparty Diversification	5%	6.5	7.0	Nunchuk
Overall Score	100%	6.7	5.9	Casa

Visual

Score Radar

Visual overlay of Casa and Nunchuk across all categories.

CasaNunchuk

Deep Dive

Category-by-Category Analysis

A deeper look at how each provider performs in every scoring criterion.

Security (8.0 vs 8.0)

Casa uses Collaborative multisig (2-of-3 or 3-of-5) key management with 100% (hardware wallets) in cold storage and regular penetration testing. Compliance: N/A. Incident history: No incidents.

Nunchuk uses Collaborative multisig wallet key management with 100% (hardware wallets) in cold storage and regular penetration testing. Compliance: N/A. Incident history: No incidents.

Insurance (3.5 vs 2.0)

Casa offers Limited — similar to Unchained model. Client bears primary key responsibility. via Not publicly disclosed. Casa insures their own key. Client keys are client responsibility. Casa Covenant provides inheritance recovery mechanism.

Nunchuk offers Limited — collaborative custody model via N/A. Users hold their own keys. Nunchuk assists but doesn't insure.

Regulatory (4.5 vs 3.0)

Casa holds FinCEN MSB registration and is not a qualified custodian operating in United States. Not a qualified custodian — self-custody model. Registered as money services business.

Nunchuk holds N/A and is not a qualified custodian operating in Canada. Canadian company. Not a custodian — provides wallet software.

Fee Transparency (9.0 vs 9.0)

Casa charges $30/month (Standard) / $178/month (Premium) / Custom (Diamond) in annual custody fees with No transaction fees per transaction. Diamond tier includes dedicated advisor, custom security review, and Covenant inheritance protocol.

Nunchuk charges See setup (subscription model) in annual custody fees with No transaction fees per transaction. Premium includes server-assisted keys and inheritance planning.

Track Record (8.0 vs 6.5)

Casa was founded in 2018 and is headquartered in Denver, CO. AUM: Not publicly disclosed. Incident history: No incidents.

Nunchuk was founded in 2020 and is headquartered in Toronto, Canada. AUM: Not publicly disclosed. Incident history: No incidents.

Withdrawal Flexibility (9.5 vs 9.5)

Casa withdrawal fees: Network fees only. Minimum account: No minimum. Supported assets: Bitcoin, Ethereum.

Nunchuk withdrawal fees: Network fees only. Minimum account: No minimum. Supported assets: Bitcoin.

Reporting & Audit (5.0 vs 4.0)

Casa: SOC compliance is N/A. Not classified as a qualified custodian.

Nunchuk: SOC compliance is N/A. Not classified as a qualified custodian.

Counterparty Diversification (6.5 vs 7.0)

Casa is a collaborative custody provider. Key management: 2-of-3 (Standard) or 3-of-5 (Premium) multisig. Casa holds 1 key, client holds rest on hardware wallets + mobile..

Nunchuk is a collaborative custody provider. Key management: Collaborative multisig. Flexible key configurations (2-of-3, 3-of-5, etc.)..

Fees

Fee Comparison

Side-by-side fee breakdown for Casa and Nunchuk.

Fee Type	Casa	Nunchuk
Setup Fee	Included in subscription	Free (basic) / $14.99/month (Premium) / Custom (Business)
Annual Custody	$30/month (Standard) / $178/month (Premium) / Custom (Diamond)	See setup (subscription model)
Transaction	No transaction fees	No transaction fees
Withdrawal	Network fees only	Network fees only

Casa: Diamond tier includes dedicated advisor, custom security review, and Covenant inheritance protocol.

Nunchuk: Premium includes server-assisted keys and inheritance planning.

Features

Feature Comparison

Checklist of features across both providers.

Feature	Casa	Nunchuk
2-of-3 and 3-of-5 multisig options	✓	✗
Casa Covenant inheritance protocol	✓	✗
Collaborative multisig	✗	✓
Dedicated security advisors (Premium+)	✓	✗
Flexible key configurations	✗	✓
Geographic key distribution guidance	✓	✗
Hardware wallet integration	✗	✓
Health check system for key verification	✓	✗
Inheritance planning	✗	✓
Key rotation and replacement	✓	✗
Mobile app for easy key management	✓	✗
Taproot support	✗	✓
Team-based key management	✗	✓

Recommendation

Who Should Choose Which?

Casa is better if you…

✓Are a hnw individuals
✓Are a families
✓Are a privacy-focused holders
✓Are a non-technical bitcoin holders
✓Want: Best-in-class UX for self-custody — genuinely easy to use
✓Want: 3-of-5 multisig is one of the most secure consumer setups available
✓Want: Casa Covenant solves the inheritance problem elegantly

Nunchuk is better if you…

✓Are a families
✓Are a teams
✓Are a multi-sig users
✓Are a inheritance planners
✓Want: Excellent multisig UX — genuinely easy
✓Want: Flexible key configurations
✓Want: Inheritance planning built-in

FAQ

Frequently Asked Questions

Is Casa or Nunchuk better for Bitcoin custody?

Casa scores 6.7 vs 5.9 in our weighted Custody Score. Casa leads in 4 of 8 scoring categories. However, the best choice depends on your specific needs: Casa is best for HNW individuals and Families, while Nunchuk suits Families and Teams.

What is the difference between Casa and Nunchuk?

Casa is a collaborative custody provider, while Nunchuk is a collaborative custody provider. Casa excels in Withdrawal Flexibility, whereas Nunchuk is strongest in Withdrawal Flexibility.

How do Casa and Nunchuk fees compare?

Casa charges $30/month (Standard) / $178/month (Premium) / Custom (Diamond) annual custody fees with No transaction fees transaction fees. Nunchuk charges See setup (subscription model) annual custody fees with No transaction fees transaction fees.

Which is more secure, Casa or Nunchuk?

Casa scores 8.0/10 for security while Nunchuk scores 8.0/10. Casa uses Collaborative multisig (2-of-3 or 3-of-5) key management, and Nunchuk uses Collaborative multisig wallet.