Security· ★★★· bearish·

Kitchen Scale Won't Catch a Spy Chip in a Hardware Wallet

  • —Ledger confirmed a hidden implant in a device sold through reseller CryptoBilis
  • —Ledger lists the Nano X at 34 grams, while Trezor puts its Safe 3 at 14 grams
  • —In Karpelès' unit, the implant added roughly one gram of weight
  • —A scale with one-gram steps cannot separate that gap from battery weight variance
Why it matters: As attacks move from software into the device itself, buying directly from the manufacturer may matter more than any home test.
Source: BeInCrypto
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