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0 sats \ 0 replies \ @Satochip_ OP 6h \ parent \ on: [DIY] Open-source Bitcoin signing device for less than 25 bucks bitcoin
You are right for the product links!
As for the DIY Javacard, the process is straight forward.
- Build or download the applet file.
- Download GlobalPlatform, the tool that will help you to flash your smartcard.
- Plug the smartcard to a smartcard or NFC reader.
- Flash your smartcard.
Regarding the video, check this one: https://youtu.be/Y-bmiHC5PRk?feature=shared