Ledger Exploit Explained: What Ex Mt.Gox CEO Found, and How to Protect Your Crypto

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October 12, 2026

Ledger confirmed the exploit; at least one device linked to the CryptoBilis wallet-drain investigation contained an unauthorized hardware implant, with the estimated potential losses reaching $93 million across 311 wallets on five chains. The finding also confirms physical tampering in one affected device, for now.

In an update, Ledger said it had examined a device belonging to an impacted user and found an unauthorized hardware implant. The affected customers had purchased devices through CryptoBilis, a reseller serving Indonesia, Malaysia, and the Philippines.