• Fully Air-Gapped
  • Open Source
  • Part of sales profit goes to Seedsigner Development Fund

SeedSigner is a complete offline & air-gapped DIY Bitcoin Signing Device.

  • Temporarily stores seeds in memory while the device is powered; all memory is wiped when power is removed
  • SD card removable after boot to ensure no secret data can be written to it
  • Sign transactions & transfer XPUB data using animated QR codes
  • This device has Raspberry Pi Zero W board with Wifi & Bluetooth module physically disabled to keep it air-gapped.

The Ultimate Bitcoin Storage Solution.

Weight 0.2 kg
Dimensions 20 × 10 × 5 cm
Add Micro SD Card?

Yes (+₹500), No


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