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321 sats \ 4 replies \ @kr 14 Nov 2022 \ on: AMA - Blockstream Jade Team Enables Air-Gapped Transactions bitcoin
if you had to rank the security of the various connection methods that hardware wallets use today, how would you rank the following?
  • bluetooth
  • nfc
  • usb
  • microSD
  • camera
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187 sats \ 3 replies \ @blockstream_official OP 14 Nov 2022
  1. MicroSD
  2. Camera
  3. USB
  4. NFC
  5. Bluetooth
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7 sats \ 0 replies \ @dtonon 15 Nov 2022
Why is the MicroSD safer than the Camera? Isn't the autorun* ability of the card an attack vector?
[*] Is it still a thing on Windows?
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18 sats \ 1 reply \ @blockstream_official OP 14 Nov 2022
It's debatable if the USB driver is worse than QR and bcur decoders
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94 sats \ 0 replies \ @blockstream_official OP 14 Nov 2022
Camera is likely better - since it allows you to communicate with your companion app only when you choose for it to. Less likely to be attacked
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