Ledger Faces Scrutiny Over Earlier Wallet Implant Warnings

Ledger is facing renewed scrutiny over how it handled reports of tampered hardware wallets after researcher Joe Grand said he alerted the company to an implanted device in March 2026. Former Mt. Gox chief executive Mark Karpelès has also questioned whether earlier reports should have prompted clearer warnings to customers. Grand said he contacted Ledger on March 4 after examining a Nano X he had bought through Lazada Thailand in August 2025. He said Ledger acknowledged his findings and told him it was investigating internally. Ledger declined to comment specifically on its handling of Grand’s disclosure in the reporting, directing inquiries to its public statements. Karpelès said he knew of at least two people who had contacted Ledger about tampered devices as early as December 2025. He argued that the reports and the apparent sophistication of some implants warranted stronger customer guidance. The underlying correspondence and Ledger’s decisions in response have not been made available in the supplied reporting. The scrutiny intensified after reports on October 9 of cryptocurrency losses involving wallets sold through CryptoBilis, a Southeast Asian reseller Ledger has...