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SeedSigner — Air-Gapped Bitcoin Signing Device

Price range: $80.00 through $175.00

Open-source, air-gapped Bitcoin signing device. Build or buy pre-assembled with 3D printed or premium metal case.

Category:

Description

Build your own air-gapped Bitcoin signing device with the open-source SeedSigner. This stateless hardware wallet uses a Raspberry Pi Zero, camera, and display to sign transactions via QR codes—never connecting to the internet.

Why SeedSigner?

  • Verifiably Air-Gapped — No WiFi, Bluetooth, or USB data. QR codes only.
  • Stateless Security — Never stores your seed. Enter it each session.
  • Open Source — Fully auditable code and commodity hardware.
  • Multi-Sig Ready — Perfect for distributed key setups.

Available Options

  • DIY Kit — All components included, you assemble and verify
  • Pre-assembled — Ready to use out of the box
  • 3D Printed Case — Lightweight, multiple colors available
  • Metal Case — Premium milled aluminum for durability

Additional information

Build Type

DIY Kit, Pre-assembled
Material

3D Printed, Metal
Case Color

Black, Red, Orange, White, Purple, Silver, Gold
Button Color

Black, Orange, White, Red, Blue
Branding

Bitcoin Butlers, Sparrow, Bull Bitcoin, None

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