SeedSigner (DIY)
In plain words
SeedSigner (DIY) is a hardware wallet. Build it yourself from a Raspberry Pi Zero without Wi-Fi, a camera and a small screen. Remembers nothing after you switch it off, so you load your seed each time. For confident users.
Key facts
SeedSigner (DIY): Bitcoin-only; open source; air-gapped (works without a cable to a computer); connects by QR camera. Price: < $50 (parts, per project site), see the price source below.
See also
- Hardware walletA hardware wallet is a small device that keeps your private keys offline and signs transactions inside itself. Even if your computer is infected, the keys never leave the device.
- Seed phraseA seed phrase is a list of 12 or 24 ordinary words that can recreate all the keys of a wallet. Whoever has the words has the bitcoin, so write them on paper or metal and never type them into a website.
- MultisigMultisig means a payment needs several keys out of a set, for example any 2 of 3. Losing one key, or having one stolen, does not lose the coins.
- Air-gappedA device that never connects to a computer by cable or network; data moves by QR code or SD card.
References
- SeedSigner (DIY) seedsigner.com
- price source seedsigner.com