pull down to refresh
0 sats \ 0 replies \ @Satochip_ OP 6 Feb \ 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
Avoid Alibaba. It's a jungle.
Satochip sells blank javacard - but not necessarily the cheapest. At least it works well with the default keys. Also selling the SIM-card form factor for a very small form-factor hardware wallet.
Here are a few reliable javacard version: J3R180, J3R200...
Kaspersky researchers have uncovered malware lurking in both Google Play and the Apple App Store that uses optical character recognition to steal cryptocurrency wallet recovery phrases from users' photo galleries.
... To steal cryptocurrency wallet recovery phrases...
... from users'...
... photo galleries...
Who on earth is screenshotting their seed phrases? There are plenty of secure solutions for properly storing them: pen and paper (though I wouldn’t recommend it), metal plates, Seedkeeper, KeePass...
h bar for a first post! First time using Stacker.news. Click like a monkey on every buttons :) Don't blame me.
For the more adventurous, you can find compatible JavaCards for just a few dollars. However, be cautious—it's a bit of a jungle, and often the cards sold don’t actually meet the advertised specifications.
Smartcards are incredibly powerful yet often underrated! They can be used to securely store a variety of Bitcoin-related secrets, including your seed phrase, PIN code, and wallet descriptor. All of this data is safely stored within the secure element, and access to the memory is protected by a personal PIN code, ranging from 4 to 16 characters.
GENESIS