openoms's avatar
openoms openoms@diynodes.com 1 year ago
Wrote a quick guide about using an initialized Satochip smart card with Sparrow Wallet:
GitHub
bitcoin-tutorials/satochip at master · openoms/bitcoin-tutorials
Documenting Bitcoin related setups using LND, JoinMarket, RaspiBlitz, Debian and Ubuntu - openoms/bitcoin-tutorials
 As these javacards are essentially $5 hardware wallets (with no screen, but using a Secure Element) are great to give bitcoin in a physical form. This short guide is for the ones receiving them. To initialize the cards one could use TailsOS offline with Sparrow Wallet or Electrum or a modded version of Seedsigner: nevent1qvzqqqqqqypzp2kq0k2s388x4hcghy2k6s7p5j44jnrpxzmaevfwcxvsprzcrx30qyw8wumn8ghj7mn0wd68ytngw4eh5mmwv4nhjtnhdaexcep0qy38wumn8ghj7mt4d36xjurvv4ux2u3wdp6hx7n0dejkw7fwwahhymry9uqzpaca0y00n4qs4k5drhwaz99vuy78r6ddqxu7hwxy8xghj45knkh5jgfqlz
↑ Parent

Replies (5)

openoms's avatar
openoms openoms@diynodes.com 1 year ago
It does store the private key and does the signing also. It only not capable of generating the seed itself so that is needed to be loaded once from an external source using Sparrow Wallet, Electrum Wallet or the modded Seedsigner. Once the seed is in the card it cannot be exported and the signing is protected by a 4-16 character PIN.
1 replies ↓
↑