Hardware Wallet Buyers Face Tampering They Cannot Easily Detect
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Article Content
Can crypto users trust the supply chain behind hardware wallets?
The recent news of tampering with Ledger hardware wallets has sparked renewed scrutiny over the middlemen handling these devices. Security researcher Joe Grand explains that it's challenging for ordinary cryptocurrency owners to detect sophisticated tampering, even when purchasing from authorized sellers.
Concerns Arise
Following reports of crypto losses involving Ledger devices sold through CryptoBilis (an authorized reseller in Indonesia, Malaysia, and the Philippines), Ledger confirmed that one affected device contained an unauthorized implant. Malicious implants in Ledger wallets captured users' recovery phrases and transmitted them over cellular networks.
The Chain of Trust
Mati Greenspan, a crypto analyst, expresses skepticism about hardware wallets, stating that adding another chain of trust doesn't necessarily enhance security. He believes users should spread their risk across multiple providers rather than relying on a single one.
Limitations of Security Checks
While Trezor (a rival to Ledger) claims its devices undergo authenticity checks and accept only signed firmware, they acknowledge that these measures can't guarantee physical tampering.
Addressing the Challenge
Joe Grand suggests physical design changes, such as transparent casings and tamper-resistant enclosures, to reduce the risk of tampering. Trezor, in response, announced it would reduce the number of resellers as a preventive measure.