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u/intnsity 22 hours ago

F coldcard and ledger and the next one

First the coldcard retirement attack, now the ledger supply chain attack. Hearts go out to the folks who used these devices.  In the case of coinkite, we learned how outspoken, arrogant, and duplicitous the founder rodolfo novak acted regularly. Including how he used many fake accounts on social media to prop up the image of "the best" and controlled several websites which acted like friendly guides and pointed users at his own compromised products.  What will we learn about ledger?  This seems like a more sophisticated attack that took a lot of money or expertise. Before today I would have laughed if someone mentioned a screen reading wire, esim, and supply chain attack. Surprised.
10 comments held Reddit says 0 on reddit ↗
  1. u/Interesting-Gear-992 1 22 hours ago
    A few days ago, even I thought that a supply chain attack consisted of generating the key in advance and replacing the instructions. This attack is mind-bogglingly sophisticated. Listening to the communication with the display on the SPI bus, decoding the words with OCR and transmitting them over a 4G LTE network is shocking. Crazy...
  2. u/LingonberryWilling75 1 22 hours ago
    It's always the ones who talk the loudest about security that end up having the most to hide. Rodolfo was in every thread acting like he personally invented cryptography, and now look at the mess. The ledger one scares me more though. Someone had to have serious resources to pull off a screen reading wire with 4G, this is not some random hacker in a basement. Makes you wonder if there is more devices already compromised we just don't know about yet. At this point I trust a paper wallet in my drawer more than any hardware.
  3. u/Interesting-Gear-992 1 22 hours ago
    They didn't just invest a lot in this attack technologically. They completely bought a reliable authorized reseller to distribute the prepared devices.
  4. u/miner_guy_22 1 22 hours ago
    People are finding out that their hardware wallets are (always have been) a single point of failure and blindly trusting a $150 device to secure large sums of money is not a great security model.
  5. u/Laukess 1 22 hours ago
    Reading r/bitcoin, I'm not actually sure these people will ever learn that. They'll look at the most recent attack, and then change their setup to guard against that, and they'll continue to do that as new exploits and hacks are revealed.
  6. u/NorthComparison4356 1 21 hours ago
    what would be your advice? Seedsigner?
  7. u/bwhite2018 1 22 hours ago
    I’m surprised you are surprised. Something like this happening seems inevitable and just the start. Hopefully these companies start taking tampering a bit more seriously.
  8. u/[deleted] 1 22 hours ago

    [removed] — already gone when the archive first saw it

  9. u/Dom_Dastardly 1 21 hours ago
    I’ve been In crypto 10 years and I’ve always kept my coins on exchanges.
  10. u/Klutzy-Sea-4857 1 21 hours ago
    Supply chain attacks are the real nightmare. Trust nobody, verify everything, diversify your storage.