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Ledger confirms seeds can be exfiltrated from Coldcard Mk4x.com/DonjonLedger/status/1702273695345934803
52 sats \ 3 comments \ @Rsync25 14 Sep 2023 bitcoin
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10 sats \ 0 replies \ @elvismercury 14 Sep 2023
Some useful context:
TL;DR They didn’t get the master secret out (your Bitcoin seed), because the Mk4 stores that seed in SE1 (not SE2) and encrypts that with a key which requires full compromise three chips: SE1, SE2 and the main processor (MCU).
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0 sats \ 0 replies \ @Wumbo 14 Sep 2023
Direct Link to CoinKite: https://blog.coinkite.com/donjon-faults-2023/
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0 sats \ 0 replies \ @nitter 14 Sep 2023
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