Trezor vs SeedSigner — Head-to-Head Custody Comparison

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

Verdict

Quick Verdict

Trezor scores 6.1 vs SeedSigner's 5.4. Trezor leads in 4 of 8 categories.

Trezor is better suited for Open-source advocates, Privacy-focused users, Long-term holders. SeedSigner is better suited for DIY enthusiasts, Cypherpunks, Security researchers.

6.1

FairCustody Score

Trezor

5.4

Below AverageCustody Score

SeedSigner

Scores

Score Comparison

Weighted scores across all 8 custody criteria.

Criterion	Weight	Trezor	SeedSigner	Winner
Security	20%	8.5	8.5	Tie
Insurance	15%	1.0	1.0	Tie
Regulatory	15%	2.0	1.0	Trezor
Fee Transparency	10%	9.5	10.0	SeedSigner
Track Record	15%	9.0	6.0	Trezor
Withdrawal Flexibility	10%	9.5	8.5	Trezor
Reporting & Audit	10%	2.0	1.0	Trezor
Counterparty Diversification	5%	9.0	10.0	SeedSigner
Overall Score	100%	6.1	5.4	Trezor

Visual

Score Radar

Visual overlay of Trezor and SeedSigner across all categories.

TrezorSeedSigner

Deep Dive

Category-by-Category Analysis

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

Security (8.5 vs 8.5)

Trezor uses Open-source hardware wallet key management with 100% in cold storage and regular penetration testing. Compliance: Open-source audited. Incident history: Physical extraction vulnerability (patched). No remote compromises..

SeedSigner uses Stateless signing device key management with 100% (stateless) in cold storage and no confirmed penetration testing. Compliance: N/A. Incident history: No known compromises.

Insurance (1.0 vs 1.0)

Trezor offers None — self-custody hardware via N/A. Hardware wallet. Full user responsibility.

SeedSigner offers None — DIY self-custody via N/A. DIY project. No company behind it. No insurance possible.

Regulatory (2.0 vs 1.0)

Trezor holds N/A — hardware manufacturer and is not a qualified custodian operating in Czech Republic (EU). SatoshiLabs — consumer electronics.

SeedSigner holds N/A — open-source project and is not a qualified custodian operating in Decentralized / Open Source. Community-driven open-source project. No company.

Fee Transparency (9.5 vs 10.0)

Trezor charges None in annual custody fees with Network fees only per transaction. One-time purchase. Fully open-source. Free Trezor Suite software.

SeedSigner charges None in annual custody fees with Network fees only per transaction. Build it yourself from off-the-shelf components. Truly zero trust.

Track Record (9.0 vs 6.0)

Trezor was founded in 2013 and is headquartered in Prague, Czech Republic. AUM: N/A (hardware manufacturer). Incident history: Physical extraction vulnerability (patched). No remote compromises..

SeedSigner was founded in 2021 and is headquartered in Open Source. AUM: N/A (DIY project). Incident history: No known compromises.

Withdrawal Flexibility (9.5 vs 8.5)

Trezor withdrawal fees: Network fees only. Minimum account: ~$69 (Model One) / ~$219 (Model T) / ~$169 (Safe 3). Supported assets: Bitcoin, Ethereum, 1,800+ cryptocurrencies.

SeedSigner withdrawal fees: Network fees only. Minimum account: ~$50 (components). Supported assets: Bitcoin only.

Reporting & Audit (2.0 vs 1.0)

Trezor: SOC compliance is Open-source audited. Not classified as a qualified custodian.

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

Counterparty Diversification (9.0 vs 10.0)

Trezor is a cold storage / hardware provider. Key management: Open-source hardware wallet. Keys stored on device. Trezor Suite for management..

SeedSigner is a cold storage / hardware provider. Key management: DIY stateless signing device. Never stores keys. Camera-based QR code signing. Built from Raspberry Pi Zero..

Fees

Fee Comparison

Side-by-side fee breakdown for Trezor and SeedSigner.

Fee Type	Trezor	SeedSigner
Setup Fee	$69-$219 (device purchase)	~$50 (Raspberry Pi Zero + camera + screen)
Annual Custody	None	None
Transaction	Network fees only	Network fees only
Withdrawal	Network fees only	Network fees only

Trezor: One-time purchase. Fully open-source. Free Trezor Suite software.

SeedSigner: Build it yourself from off-the-shelf components. Truly zero trust.

Features

Feature Comparison

Checklist of features across both providers.

Feature	Trezor	SeedSigner
Camera-based QR signing	✗	✓
Coin control	✓	✗
DIY from off-the-shelf parts	✗	✓
Dice roll entropy	✗	✓
Fully open-source	✓	✓
Shamir backup (SLIP39)	✓	✗
Stateless — never stores keys	✗	✓
Tor integration	✓	✗
Touchscreen (Model T)	✓	✗
Trezor Suite desktop app	✓	✗
Zero supply chain trust required	✗	✓

Recommendation

Who Should Choose Which?

Trezor is better if you…

✓Are a open-source advocates
✓Are a privacy-focused users
✓Are a long-term holders
✓Are a technically-inclined users
✓Want: First hardware wallet — longest track record
✓Want: Fully open-source firmware and software
✓Want: Shamir backup for better key security

SeedSigner is better if you…

✓Are a diy enthusiasts
✓Are a cypherpunks
✓Are a security researchers
✓Are a ultra-paranoid bitcoiners
✓Want: Stateless — keys never stored on device
✓Want: Build from off-the-shelf components
✓Want: Zero supply chain attack surface

FAQ

Frequently Asked Questions

Is Trezor or SeedSigner better for Bitcoin custody?

Trezor scores 6.1 vs 5.4 in our weighted Custody Score. Trezor leads in 4 of 8 scoring categories. However, the best choice depends on your specific needs: Trezor is best for Open-source advocates and Privacy-focused users, while SeedSigner suits DIY enthusiasts and Cypherpunks.

What is the difference between Trezor and SeedSigner?

Trezor is a cold storage / hardware provider, while SeedSigner is a cold storage / hardware provider. Trezor excels in Fee Transparency, whereas SeedSigner is strongest in Fee Transparency.

How do Trezor and SeedSigner fees compare?

Trezor charges None annual custody fees with Network fees only transaction fees. SeedSigner charges None annual custody fees with Network fees only transaction fees.

Which is more secure, Trezor or SeedSigner?

Trezor scores 8.5/10 for security while SeedSigner scores 8.5/10. Trezor uses Open-source hardware wallet key management, and SeedSigner uses Stateless signing device.