XKEYCHAINX LABS
Ledger / Public disclosure

Ledger Nano X: physical cellular implant

Physical implants in Nano X devices are the focus of an ongoing investigation. Ledger confirmed an implant in one affected customer’s device on October 10.

Source date: OCT 2026Reviewed: 11 October 2026

Affected scope

Nano X · Physical tampering

What the attack requires

Physically modified Nano X; reseller-linked investigation.

Response & remediation

What changed

No software-only fix established

What this finding establishes

No firmware-only remedy is established in the cited update. Follow the vendor’s current guidance for CryptoBilis purchasers. The full affected population and loss attribution remain unresolved.