Re: 🔥Satochip🔥 Hardware wallet on smart card (USB/NFC)

Tech team is on fire 🔥

Firmware info

The Satcohip v0.14-0.2 with Schnorr support for Taproot & Nostr is out.

🔊 Compared to v0.12, v0.14 adds the following functionalities:

Schnorr signature support for Taproot (to be used with Sparrow Wallet);
Schnorr signature support for Nostr (no key tweaking).

Source: https://github.com/Toporin/SatochipApplet/releases/tag/v0.14-0.2

Join the beta test

Want to try? Join the beta testers by ordering a DIY compatible smartcard and enjoy a -25% discount!

The smartcard will come with the pre-loaded Satochip v0.14-0.2 applet with Taproot & Nostr support - AND - the default loading keys.

Perfect to build your next Nostr signing device.

Info

Order here: https://satochip.io/product/card-for-diy-project/
Coupon code: Nostr-25%

Readme: https://github.com/Toporin/pysatochip/blob/master/README-CLI.md

Some basic commands are:

- Import a private key on slot #0:

Code:

python3 satochip_cli.py --verbose satochip-import-privkey --keyslot 0 --privkey aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899

- Get the corresponding public key:

Code:

python3 satochip_cli.py --verbose satochip-get-pubkey-from-keyslot --keyslot 0

- Sign Nostr event:

Code:

python3 satochip_cli.py --verbose satochip-sign-nostr-event --keyslot 0 --message "Hello, world" --kind 1 --broadcast

Submit your feedbacks on Telegram: https://t.me/Satochip

🙏 Thank you 🙏