Onramp vs Nunchuk — Head-to-Head Custody Comparison

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

Verdict

Quick Verdict

Onramp scores 8.7 vs Nunchuk's 5.9. Onramp leads in 6 of 8 categories.

Onramp is better suited for Family offices, RIAs, HNW individuals. Nunchuk is better suited for Families, Teams, Multi-sig users.

8.7

Very GoodCustody Score

Onramp

5.9

Below AverageCustody Score

Nunchuk

Scores

Score Comparison

Weighted scores across all 8 custody criteria.

Criterion	Weight	Onramp	Nunchuk	Winner
Security	20%	9.5	8.0	Onramp
Insurance	15%	9.0	2.0	Onramp
Regulatory	15%	8.5	3.0	Onramp
Fee Transparency	10%	7.5	9.0	Nunchuk
Track Record	15%	8.0	6.5	Onramp
Withdrawal Flexibility	10%	8.5	9.5	Nunchuk
Reporting & Audit	10%	8.5	4.0	Onramp
Counterparty Diversification	5%	10.0	7.0	Onramp
Overall Score	100%	8.7	5.9	Onramp

Visual

Score Radar

Visual overlay of Onramp and Nunchuk across all categories.

OnrampNunchuk

Deep Dive

Category-by-Category Analysis

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

Security (9.5 vs 8.0)

Onramp uses Multi-institution distributed key management with Varies by underlying custodian in cold storage and regular penetration testing. Compliance: Via underlying custodians (SOC 1 & SOC 2). 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 (9.0 vs 2.0)

Onramp offers Aggregate coverage across multiple custodian insurance policies via Multiple (via underlying custodians). Each underlying custodian maintains their own insurance. Combined coverage exceeds single-custodian limits.

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

Regulatory (8.5 vs 3.0)

Onramp holds State money transmitter licenses and is a qualified custodian operating in United States. Regulated through underlying custodian partnerships with qualified custodians

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

Fee Transparency (7.5 vs 9.0)

Onramp charges Contact for pricing in annual custody fees with 0.50% per trade (brokerage) per transaction. Also offers Onramp Finance: lowest-cost Bitcoin brokerage at 50bps, 5% APY on cash, 1.5% cashback card

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)

Onramp was founded in 2021 and is headquartered in Austin, TX. AUM: $1B+. 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 (8.5 vs 9.5)

Onramp withdrawal fees: Contact for pricing. Minimum account: $100,000. Supported assets: Bitcoin.

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

Reporting & Audit (8.5 vs 4.0)

Onramp: SOC compliance is Via underlying custodians (SOC 1 & SOC 2). As a qualified custodian, it meets SEC reporting requirements.

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

Counterparty Diversification (10.0 vs 7.0)

Onramp is a multi-institution custody provider. Key management: Multi-institution distributed custody — keys and assets spread across multiple independent regulated custodians (BitGo, Coinbase, Fidelity, etc.).

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 Onramp and Nunchuk.

Fee Type	Onramp	Nunchuk
Setup Fee	Contact for pricing	Free (basic) / $14.99/month (Premium) / Custom (Business)
Annual Custody	Contact for pricing	See setup (subscription model)
Transaction	0.50% per trade (brokerage)	No transaction fees
Withdrawal	Contact for pricing	Network fees only

Onramp: Also offers Onramp Finance: lowest-cost Bitcoin brokerage at 50bps, 5% APY on cash, 1.5% cashback card

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

Features

Feature Comparison

Checklist of features across both providers.

Feature	Onramp	Nunchuk
1.5% cashback card	✓	✗
5% APY on cash balances	✓	✗
Bitcoin brokerage services (Onramp Finance)	✓	✗
Collaborative multisig	✗	✓
Flexible key configurations	✗	✓
Hardware wallet integration	✗	✓
Inheritance planning	✗	✓
Institutional-grade security and compliance	✓	✗
Multi-Institution Custody across multiple regulated custodians	✓	✗
No single point of failure	✓	✗
Taproot support	✗	✓
Team-based key management	✗	✓
White-glove onboarding for institutions	✓	✗

Recommendation

Who Should Choose Which?

Onramp is better if you…

✓Are a family offices
✓Are a rias
✓Are a hnw individuals
✓Are a institutions
✓Want: Only provider offering true multi-institution custody — no single point of failure
✓Want: Aggregated insurance coverage exceeds any single custodian
✓Want: $1B+ in assets under custody demonstrates institutional trust

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 Onramp or Nunchuk better for Bitcoin custody?

Onramp scores 8.7 vs 5.9 in our weighted Custody Score. Onramp leads in 6 of 8 scoring categories. However, the best choice depends on your specific needs: Onramp is best for Family offices and RIAs, while Nunchuk suits Families and Teams.

What is the difference between Onramp and Nunchuk?

Onramp is a multi-institution custody provider, while Nunchuk is a collaborative custody provider. Onramp excels in Counterparty Diversification, whereas Nunchuk is strongest in Withdrawal Flexibility.

How do Onramp and Nunchuk fees compare?

Onramp charges Contact for pricing annual custody fees with 0.50% per trade (brokerage) transaction fees. Nunchuk charges See setup (subscription model) annual custody fees with No transaction fees transaction fees.

Which is more secure, Onramp or Nunchuk?

Onramp scores 9.5/10 for security while Nunchuk scores 8.0/10. Onramp uses Multi-institution distributed key management, and Nunchuk uses Collaborative multisig wallet.