Specter DIY Review
Build your own hardware wallet with big screen

Specter DIY is for Bitcoiners who want a big screen on their DIY signing device. The 3.2" touchscreen dwarfs SeedSigner and Krux displays. It integrates seamlessly with Specter Desktop for multisig setups. The build is more complex than other DIY options, but you get more capability.
Specter Solutions built their reputation on Bitcoin multisig tooling. The DIY hardware wallet extends that mission. No altcoin support, no distractions. Every feature serves collaborative custody and serious Bitcoin security.
Security Architecture
DIY signing device with large touchscreen. STM32-based.
| Secure Element | Optional (can add secure element) |
| Connection Methods | QR codes (air-gapped), MicroSD |
| Display | 3.2" touchscreen |
| Passphrase Support | Yes |
| Multisig Support | Yes |
About Specter Solutions
Trust Assessment
Reasons to Trust
- Large touchscreen
- Fully open-source
- Air-gapped operation
- Advanced multisig features
- Integrates with Specter Desktop
- Bitcoin-only
Concerns
- DIY assembly required
- Less portable
- Requires technical skill
- No commercial support
What's Good
Large Touchscreen
The 3.2" screen is one of the largest in DIY wallets. Easy to verify addresses.
Specter Integration
Designed to work seamlessly with Specter Desktop for multisig setups.
Secure Element Option
Can add optional secure element for enhanced security.
Where It Falls Short
- Complex Build: More complex to assemble than SeedSigner or Krux.
- Bulky: Larger form factor makes it less portable.
- Higher Cost: Parts cost more than other DIY options (~$120).
Best For
- Specter Desktop users
- Multisig setups
- Those who want large touchscreen DIY option
- Technical users comfortable with complex builds
Frequently Asked Questions
Key Specifications
$120
8.5/10
Bitcoin-Only
DIY, Open Source, Air-gapped
3.2" touchscreen
QR codes (air-gapped), MicroSD
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Bottom Line
Specter DIY is the multisig enthusiast's build. The large touchscreen and Specter Desktop integration make it ideal for collaborative custody setups. The build complexity is higher than SeedSigner, and at ~$120 in parts, it's not the cheapest DIY option. But if you're running a multisig setup with Specter Desktop, the integration is worth the effort.
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How Specter DIY Compares
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