Trezor Safe 3 Review
Trezor Safe 3 is a strong value hardware wallet for users who want open-source firmware, USB-C, secure-element protection, privacy features, and optional Bitcoin-only firmware, but it lacks touchscreen, Bluetooth, and strong iOS workflows.
Trezor Safe 3
Pros
- Strong fit for budget conscious users
- Strong fit for open source advocates
- Strong fit for bitcoin users
- Strong fit for privacy focused users
Cons
- Not ideal for ios mobile signing users
- Not ideal for users needing bluetooth
- Not ideal for users wanting touchscreen
- Not ideal for users wanting full airgap
Price
$79
Connectivity
USB-C
Open Source
Mostly open source
Coins
1,000+
Key Specifications
Manufacturer
SatoshiLabs
Country
Czech Republic
Launch Year
2023
Firmware Maintained
Yes
Secure Element
Yes
Air-gapped
No
Connection
USB-C
Official App
Trezor Suite
Security Model
Open-source firmware and design with a certified secure element added for physical-device protection while preserving Trezor's transparent security model.
Trust Assumptions
- User verifies device authenticity and firmware prompts
- SatoshiLabs firmware signing and Trezor Suite distribution remain trustworthy
- The certified secure element protects against some physical extraction and tampering risks
- Users store their wallet backup securely and do not disclose PIN or passphrase
Backup Methods
12 Word Seed, 20 Word Wallet Backup, 24 Word Seed, Slip39 Multi Share Backup, Passphrase
- Budget Conscious Users
- Open source Advocates
- Bitcoin Users
- Privacy Focused Users
- Beginners Wanting Strong Security
- iOS Mobile signing Users
- Users Needing Bluetooth
- Users Wanting Touchscreen
- Users Wanting Full Airgap
- Users Holding Many Obscure Altcoins
Known Issues
2023: Secure element philosophy shift
Trezor's adoption of a certified secure element in the Safe line led to discussion among open-source advocates because older Trezor models intentionally avoided closed secure elements.
2020: Voltage fault injection extraction on older Trezor models
Researchers demonstrated physical extraction attacks against older Trezor devices without secure elements; Safe 3 adds a secure element to improve resistance against similar physical-access threats.
Sources
- Trezor Safe 3 Official Product Page(official)
- Trezor Safe 3 Bitcoin-only Product Page(official)
- Trezor Company Page(official)
- Trezor Core Firmware Documentation(documentation)
- Trezor Reproducible Builds Documentation(documentation)
- Trezor Firmware GitHub Repository(github)
- Trezor OPTIGA Configuration Documentation(documentation)
- Introduction to the Trezor Safe 3 Bitcoin-only Edition(official)
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