SeedSigner
Features
- Air-gapped, fully offline signing
- Stateless design (no seed stored)
- QR-based PSBT signing
- Open-source, Bitcoin-only firmware
- Advanced multisig support
- Portable, modular hardware
- Premium build quality
Description
SeedSigner is an innovative and secure solution for signing Bitcoin transactions without compromising your privacy. It is a completely offline transaction signing tool, as the device does not store your seed due to the absence of a secure element and is an Open Source project. You can choose between the DIY kit, which includes everything you need to assemble the device from scratch, or purchase it pre-assembled.
How to Set It Up:
1. Download the latest version of the SeedSigner image , from seedsigner.com, or from the official GitHub repo.
2. Verify your download. You can easily do this using the “Select file to verify” button on .
3. Flash the image to your micro-SD card.
4. Insert the micro-SD card into your SeedSigner and connect the power cable.